Patents-Review.com
ClassID:

103092 ⎘

C09D11/17 - CPC Classification

Classification description:

Inks; Writing inks characterised by colouring agents

Recent Application in this class:
#1
20260139077
2026-05-21

COMPOSITIONS AND METHODS FOR DIFFERENTIAL RELEASE OF 1-METHYLCYCLOPROPENE

 #2
20260085176
2026-03-26

USE OF PLASMONIC INK COMPOSITION ON SYNTHETIC PAPER

 #3
20260071087
2026-03-12

COMPOSITION FOR PREPARING THERMOCHROMIC SOLID MARKER AND PREPARATION METHOD FOR THERMOCHROMIC SOLID MARKER

 #4
20260062580
2026-03-05

REVERSIBLY THERMOCHROMIC COMPOSITION, REVERSIBLY THERMOCHROMIC MICROCAPSULE PIGMENT ENCAPSULATING REVERSIBLY THERMOCHROMIC COMPOSITION, AND WRITING INSTRUMENT USING REVERSIBLY THERMOCHROMIC MICROCAPSULE PIGMENT

 #5
20260061771
2026-03-05

MULTI-CORE WRITING IMPLEMENT

 #6
20260055285
2026-02-26

PLASMONIC INKS WITH VIVID COLORS

 #7
20260042922
2026-02-12

COMPOSITIONS FOR MARKING TISSUE AND METHODS OF MAKING THE SAME

 #8
20260042921
2026-02-12

INK COMPOSITION AND WRITING INSTRUMENT

 #9
20250282968
2025-09-11

WATER-BASED INK COMPOSITION FOR WRITING INSTRUMENT

 #10
20250282967
2025-09-11

RESIN FORMULATION CONTAINING DYE AND USE THEREOF AS A HIGH PURITY MARKER PEN

 #11
20250282966
2025-09-11

MARKER INKS AND METHODS OF PREPARING THE MARKER INKS

 #12
20250282965
2025-09-11

MARKER INKS AND METHODS FOR PREPARING THEREOF

 #13
20250250449
2025-08-07

NON-NEWTONIAN BALLPOINT PEN INK COMPRISING CELLULOSE NANOFIBERS

 #14
20250179317
2025-06-05

OIL-BASED INK COMPOSITION FOR WRITING UTENSILS

 #15
20250019554
2025-01-16

WATER-BASED INK COMPRISING PARTICLES AND A LIPOPEPTIDE

 #16
20240400845
2024-12-05

OPAQUE INK COMPOSITION

 #17
20240336793
2024-10-10

AQUEOUS GLITTERING INK FOR MINIATURE PAINTING AND APPLICATORS

 #18
20240309230
2024-09-19

COMPOSITE COLORED PARTICLES

 #19
20240301225
2024-09-12

Ink eradicating fluid and kit containing it

 #20
20240294029
2024-09-05

Writing instrument

 #21
20240227430
2024-07-11

EFFICIENT INK ERASURE SYSTEM

 #22
20240218187
2024-07-04

METHOD OF PREPARING COATED PIGMENT AND WATER-BASED INK COMPOSITION CONTAINING COATED PIGMENT PREPARED THEREBY

 #23
20240218186
2024-07-04

METHOD OF PREPARING COATED PIGMENT AND WATER-BASED INK COMPOSITION CONTAINING COATED PIGMENT PREPARED THEREBY

 #24
20240209225
2024-06-27

AQUEOUS INK COMPOSITION FOR WRITING INSTRUMENTS

 #25
20240182730
2024-06-06

OIL-BASED BALLPOINT PEN

 #26
20240166901
2024-05-23

OILY INK COMPOSITION FOR WRITING UTENSIL

 #27
20240150599
2024-05-09

OILY INK COMPOSITION

 #28
20240150598
2024-05-09

SOLUBLE GRAPHITE INK COMPOSITION

 #29
20240124727
2024-04-18

COLOR-CHANGE AND ERASABLE WRITING COMPOSITIONS, WRITING INSTRUMENTS, AND SYSTEMS

 #30
20240059915
2024-02-22

COLOR-CHANGE INK

 #31
20230383175
2023-11-30

REVERSIBLY THERMOCHROMIC COMPOSITION AND REVERSIBLY THERMOCHROMIC MICROCAPSULE PIGMENT ENCAPSULATING THE SAME

 #32
20230365825
2023-11-16

WASHABLE INK COMPOSITION

 #33
20230357587
2023-11-09

REFILLABLE WRITING TOOL FOR A WATER-BASED INK COMPOSITION

 #34
20230339255
2023-10-26

WRITING NIB ASSEMBLIES AND WRITING INSTRUMENTS

 #35
20230312967
2023-10-05

WATER-BASED INK COMPOSITION FOR WRITING INSTRUMENTS, WRITING INSTRUMENT, AND CARTRIDGE INK FOR WRITING INSTRUMENTS

 #36
20230312954
2023-10-05

PEELABLE WRITING INK COMPOSITION WITH COLOR-CHANGING FOR WRITING POROUS SUBSTRATES

 #37
20230294446
2023-09-21

OIL-BASED BALLPOINT PEN

 #38
20230287259
2023-09-14

REVERSIBLY THERMOCHROMIC COMPOSITION AND REVERSIBLY THERMOCHROMIC MICROCAPSULE PIGMENT ENCAPSULATING THE SAME

 #39
20230287227
2023-09-14

WATER-BASED INK COMPOSITION WITH COLOR-CHANGING BY EVAPORATION

 #40
20230265312
2023-08-24

WRITING GEL INK

 #41
20230250304
2023-08-10

AQUEOUS INK COMPOSITION FOR WRITING INSTRUMENTS

 #42
20230242780
2023-08-03

HANDHELD WRITING TOOL HAVING IMPROVED CAP-OFF TIME

 #43
20230212411
2023-07-06

COMPOSITIONS FOR MARKING TISSUE AND METHODS OF MAKING THE SAME

 #44
20230203332
2023-06-29

PEELABLE INK COMPOSITION WITH COLOR-CHANGING FOR POROUS SUBSTRATES

 #45
20230193069
2023-06-22

Print method

 #46
20230167325
2023-06-01

Method for preparing thermochromic water-based gel ink compositions, and thermochromic water-based gel ink compositions thereof

 #47
20230167316
2023-06-01

INK COMPOSITION FOR WATER-BASED BALLPOINT PEN

 #48
20230159787
2023-05-25

WRITING GEL INK

 #49
20230159668
2023-05-25

COMPOSITIONS AND METHODS FOR DIFFERENTIAL RELEASE OF 1-METHYLCYCLOPROPENE

 #50
20230124990
2023-04-20

Peelable ink composition for porous substrates

 #51
20230105735
2023-04-06

PEELABLE INK COMPOSITION FOR NON-POROUS SUBSTRATES

 #52
20230073595
2023-03-09

INK COMPOSITION FOR WATER-BASED BALLPOINT PEN

 #53
20230072944
2023-03-09

COLORING TABLET AND WATER-BASED INK COMPOSITION FOR WRITING INSTRUMENT USING THE SAME

 #54
20230048616
2023-02-16

INK COMPOSITION FOR WATER-BASED BALLPOINT PENS

 #55
20220411651
2022-12-29

INK COMPOSITION FOR AQUEOUS BALLPOINT PENS

 #56
20220396707
2022-12-15

COMPOSITE COLORED PARTICLE

 #57
20220389250
2022-12-08

AQUEOUS INK COMPOSITION FOR WRITING INSTRUMENTS

 #58
20220380612
2022-12-01

COMPOSITE COLORED PARTICLE

 #59
20220372322
2022-11-24

Reverse photochromic inks including encapsulated reverse photochromic colorants, and associated methods and writing instruments

 #60
20220372321
2022-11-24

Reverse photochromic inks, and associated methods and writing instruments

 #61
20220372313
2022-11-24

Dry erase inks and associated writing instruments

 #62
20220372312
2022-11-24

MARKING COMPOSITIONS

 #63
20220363926
2022-11-17

OIL-BASED INK COMPOSITION FOR BALLPOINT PENS AND BALLPOINT PEN EMPLOYING THE SAME

 #64
20220363925
2022-11-17

AQUEOUS INK COMPOSITION FOR WRITING INSTRUMENTS

 #65
20220306879
2022-09-29

SCRUB-RESISTANT INK AND METHODS AND APPARATUS FOR FABRICATION AND USE THEREOF

 #66
20220275272
2022-09-01

COLOUR CHANGE COMPOSITION AND COMPOUNDS

 #67
20220275230
2022-09-01

PROCESS OF PREPARATION OF AN AQUEOUS GEL INK WITH FIXED COLOR COMPRISING SILVER NANOPARTICLES

 #68
20220275229
2022-09-01

Process for preparing an aqueous gel ink with fixed color comprising silver or gold nanoparticles

 #69
20220275228
2022-09-01

Process of preparation of an aqueous gel ink with variable color comprising silver nanoparticles

 #70
20220275227
2022-09-01

Process of preparation of an aqueous gel ink with fixed color comprising gold nanoparticles

 #71
20220275226
2022-09-01

PROCESS OF PREPARATION OF AN AQUEOUS GEL INK WITH FIXED COLOR COMPRISING GOLD NANOPARTICLES

 #72
20220275225
2022-09-01

Process of preparation of an aqueous gel ink with fixed color comprising silver nanoparticles

 #73
20220275215
2022-09-01

Compound for use in colour change compositions

 #74
20220267627
2022-08-25

Photothermally Responsive Melanin-Based Nanocomposltes

 #75
20220259450
2022-08-18

COLOR CHANGING AQUEOUS INK

 #76
20220251406
2022-08-11

AQUEOUS INK COMPOSITION FOR REVERSIBLY THERMOCHROMIC WRITING INSTRUMENT, AND REFILL AND AQUEOUS BALLPOINT PEN INCORPORATING AQUEOUS INK COMPOSITION FOR REVERSIBLY THERMOCHROMIC WRITING INSTRUMENT

 #77
20220219481
2022-07-14

Pen

 #78
20220213338
2022-07-07

Process of preparation of an aqueous gel ink with variable color comprising silver nanoparticles

 #79
20220169919
2022-06-02

REVERSIBLY THERMOCHROMIC COMPOSITION, REVERSIBLY THERMOCHROMIC MICROCAPSULE PIGMENT ENCAPSULATING REVERSIBLY THERMOCHROMIC COMPOSITION, AND WRITING INSTRUMENT USING REVERSIBLY THERMOCHROMIC MICROCAPSULE PIGMENT

 #80
20220169874
2022-06-02

INK COMPOSITION FOR WATER-BASED BALLPOINT PEN

 #81
20220162463
2022-05-26

ERASABLE AQUEOUS INK

 #82
20220154020
2022-05-19

AQUEOUS INK COMPOSITION FOR WRITING INSTRUMENTS

 #83
20220145106
2022-05-12

Microcapsule type thermochromic pigment and preparation method and use thereof, thermochromic ink and use thereof

 #84
20220135816
2022-05-05

AQUEOUS PIGMENTED INK

 #85
20220135804
2022-05-05

Temperature-sensitive indicator

 #86
20220098423
2022-03-31

Non newtonian ballpoint pen ink comprising cellulose nanofibers

 #87
20220080767
2022-03-17

Writing instrument

 #88
20220064469
2022-03-03

WRITING AND/OR DRAWING SYSTEM COMPRISING PH SENSITIVE DYE AND METHOD THEREOF

 #89
20220064464
2022-03-03

Dry Erase Inks, and Associated Methods and Writing Instruments

 #90
20220049103
2022-02-17

Photochromic composition

 #91
20220041876
2022-02-10

Process for preparing aqueous gel inks with variable color, and aqueous gel inks thereof

 #92
20220017760
2022-01-20

Oil-based ink composition for writing utensils, writing utensil using same, and airbrush unit using same

 #93
20220010153
2022-01-13

Process for preparing aqueous gel inks with fixed color, and aqueous gel inks thereof

 #94
20210395542
2021-12-23

Alcohol-based dry erasable ink for writing instrument

 #95
20210380831
2021-12-09

COLOR DEVELOPMENT WRITING COMPOSITIONS AND WRITING INSTRUMENTS

 #96
20210363371
2021-11-25

Diester of bisphenol fluorene compounds and thermochromic pigment compositions comprising the same

 #97
20210332159
2021-10-28

Compositions and methods for differential release of 1-methylcyclopropene

 #98
20210332158
2021-10-28

Compositions and methods for differential release of 1-methylcyclopropene

 #99
20210331990
2021-10-28

Compositions and Methods for Differential Release of 1-Methylcyclopropene

 #100
20210329934
2021-10-28

COMPOSITIONS AND METHODS FOR DIFFERENTIAL RELEASE OF 1-METHYLCYCLOPROPENE

 #101
20210316566
2021-10-14

PEN TIP AND WRITING TOOL EQUIPPED WITH THE PEN TIP

 #102
20210230440
2021-07-29

Irreversibly erasable ink composition having a discoloration agent

 #103
20210222017
2021-07-22

GLITTERING WRITING/DRAWING MATERIAL COMPOSITION AND WRITING/DRAWING INSTRUMENT

 #104
20210179872
2021-06-17

Marking ink composition for writing board

 #105
20210147699
2021-05-20

Oil-based ink composition for writing implements

 #106
20210139731
2021-05-13

Epidermal penetration type ink composition

 #107
20210138826
2021-05-13

Friction body, writing instrument, and writing set

 #108
20210129576
2021-05-06

Erasable writing compositions

 #109
20210122936
2021-04-29

Thermochromic pigment compositions

 #110
20210102083
2021-04-08

Thermochromic pigment compositions

 #111
20210095144
2021-04-01

Ink composition, writing instrument and method for producing ink composition

 #112
20210087415
2021-03-25

DECORATIVE IMAGING PROCESS USING FIBROUS NIB MARKERS WITH SPECIFIC DISPERSE DYE COMPOSITIONS

 #113
20210079244
2021-03-18

Ink composition for writing instrument and writing instrument having the same

 #114
20210071006
2021-03-11

Aqueous dispersion of colored particles

 #115
20210069660
2021-03-11

Method for producing stable graphene, graphite and amorphous carbon aqueous dispersions

 #116
20210047529
2021-02-18

Aqueous ink composition for writing instrument

 #117
20200392356
2020-12-17

Scrub-resistant ink and methods and apparatus for fabrication and use thereof

 #118
20200347251
2020-11-05

Dispersion liquid of colored resin fine particles for aqueous ink, and aqueous ink composition for writing instruments using same

 #119
20200325351
2020-10-15

Reversibly thermochromic aqueous ink composition and writing instrument using the same

 #120
20200309195
2020-10-01

Bearing assembly

 #121
20200308429
2020-10-01

Black marker composition and electronic component using the same

 #122
20200255680
2020-08-13

Opaque ink formulations and associated writing instruments

 #123
20200248019
2020-08-06

Water-based ink composition for ballpoint pen and water-based ballpoint pen using the same

 #124
20200239716
2020-07-30

Decorative imaging process using fibrous nib markers with specific disperse dye compositions

 #125
20200224045
2020-07-16

Writing, marking and/or drawing liquid for capillary systems, especially for applicator implements having a capillary system, and applicator implement

 #126
20200207699
2020-07-02

Thermochromic pigment compositions

 #127
20200079798
2020-03-12

Pyrene tetra boronic acid, process for preparation and use thereof

 #128
20200071532
2020-03-05

Thermochromic color-memory composition and thermochromic color-memory microcapsule pigment encapsulating the same

 #129
20200062977
2020-02-27

WRITING, MARKING, AND/OR DRAWING LIQUID FOR CAPILLARY SYSTEMS, ESPECIALLY FOR APPLICATOR IMPLEMENTS HAVING A CAPILLARY SYSTEM, AND APPLICATOR IMPLEMENT

 #130
20200048484
2020-02-13

Alcohol-based dry-erasable ink

 #131
20200048483
2020-02-13

Dry erase ink with improved drying time

 #132
20200047540
2020-02-13

Writing instrument

 #133
20190367755
2019-12-05

Writing ink composition for aqueous ballpoint pen, ballpoint pen employing the same, and process for producing the writing ink composition for aqueous ballpoint pen

 #134
20190338151
2019-11-07

Ink composition, writing tool and method for producing ink composition

 #135
20190329585
2019-10-31

Integrated highlighting and shading marker system

 #136
20190322885
2019-10-24

A KIND OF TEMPERATURE-SENSITIVE ERASABLE GEL INK AND ITS PREPARATION METHOD

 #137
20190315982
2019-10-17

Whitish writing and marking fluid for capillary systems and writing instrument

 #138
20190300740
2019-10-03

Temperature detection material, temperature detection ink using same, temperature indicator, method for manufacturing temperature detection material, and product management system

 #139
20190284407
2019-09-19

Decorative imaging process using fibrous nib markers with specific disperse dye compositions

 #140
20190284406
2019-09-19

Photochromic compositions, markers containing the same, and systems and methods for their use

 #141
20190256726
2019-08-22

MESS-FREE COLORING SYSTEM

 #142
20190249019
2019-08-15

Aqueous dry-erasable ink composition

 #143
20190211220
2019-07-11

Aqueous ink composition for writing instruments

 #144
20190100656
2019-04-04

Temperature-sensitive indicator

 #145
20190047318
2019-02-14

Writing instrument for forming thermochromic handwriting

 #146
20190016907
2019-01-17

Electrostatic ink compositions

 #147
20190010344
2019-01-10

MICROCAPSULE PIGMENT AND AQUEOUS INK COMPOSITION FOR WRITING INSTRUMENTS

 #148
20180319990
2018-11-08

Polymeric dyes based on poly(amidoamines)

 #149
20180304210
2018-10-25

METHOD FOR PRODUCING STABLE GRAPHENE, GRAPHITE AND AMORPHOUS CARBON AQUEOUS DISPERSIONS

 #150
20180291216
2018-10-11

METALLIC POWDER PIGMENT INK COMPOSITION FOR OIL-BASED MARKING PEN

 #151
20180282566
2018-10-04

Water-based conductive ink for rapid prototype in writable electronics

 #152
20180251651
2018-09-06

Compound for use in colour change compositions

 #153
20180244944
2018-08-30

Compound for use in colour change compositions

 #154
20180223120
2018-08-09

Thermochromic color-memory composition and thermochromic color-memory microcapsule pigment encapsulating same

 #155
20180127609
2018-05-10

Oil-based ink composition for writing instruments, and writing instrument, marking pen and ballpoint pen comprising the same

 #156
20180100077
2018-04-12

Ink compositions

 #157
20180086133
2018-03-29

Writing instrument

 #158
20180030294
2018-02-01

Ink and method of conducting an examination

 #159
20180022948
2018-01-25

Ink for surgical marker

 #160
20170342285
2017-11-30

1K waterborne dry-erase coating composition

 #161
20170335110
2017-11-23

Black trisazo dyes, their preparation and their use

 #162
20170327706
2017-11-16

Ink compositions

 #163
20170274698
2017-09-28

Thermochromic color-memorizing composition and thermochromic color-memorizing microcapsule pigment encapsulating same

 #164
20170183521
2017-06-29

Photocrosslinkable writing ink

 #165
20170145237
2017-05-25

Mess free coloring system

 #166
20170121550
2017-05-04

Aqueous base metal pigment dispersion liquid and aqueous ink composition

 #167
20170088737
2017-03-30

Ink composition for reversibly thermochromic stamp and stamp

 #168
20170058139
2017-03-02

Reversible thermochromic and photochromic ink pens and markers

 #169
20170058137
2017-03-02

AQUEOUS WRITING TOOL FOR FOOD WRAPPING MATERIAL

 #170
20170058136
2017-03-02

Aqueous writing tool for food product packaging material

 #171
20170050460
2017-02-23

Thermochromic color-memory composition and thermochromic color-memory microcapsule pigment encapsulating same

 #172
20170015852
2017-01-19

INK COMPOSITION

 #173
20170015849
2017-01-19

Ink composition for inkjet recording, method for producing printed material, and printing method

 #174
20160376458
2016-12-29

Thermochromic micro particles and thermochromic ink composition, writing apparatus and smart window using the same

 #175
20160376457
2016-12-29

Thermochromic micro particles and thermochromic ink composition, writing apparatus and smart window using the same

 #176
20160362571
2016-12-15

Marking system

 #177
20160310231
2016-10-27

Medical Magic Marker

 #178
20160304508
2016-10-20

Compound, and ink, color filter resist composition, thermal transfer recording sheet and toner containing the same

 #179
20160238756
2016-08-18

Dye compound, ink, and resist composition for color filter

 #180
20160177114
2016-06-23

Oil-based ball-point pen refill, oil-based ball-point pen, and oil-based ball-point pen ink composition

 #181
20160145454
2016-05-26

Ink composition and a writing instrument

 #182
20160130455
2016-05-12

Thermochromic color-memory composition and thermochromic color-memory microcapsule pigment encapsulating same

 #183
20160075904
2016-03-17

Solid writing material

 #184
20160075893
2016-03-17

Oil-based pigment ink composition and oil-based pigment ink writing tool

 #185
20160068694
2016-03-10

Ink composition for writing instrument and coloring material

 #186
20160024321
2016-01-28

Stable color-changing ink

 #187
20160017163
2016-01-21

Reversible thermochromic and photochromic ink pens and markers

 #188
20160017162
2016-01-21

Reversible thermochromic and photochromic ink pens and markers

 #189
20150336420
2015-11-26

Writing instrument

 #190
20150307726
2015-10-29

TRANSPARENT SOLID INK COMPOSITION AND METHOD OF PREPARING THE SAME

 #191
20150307725
2015-10-29

Ink composition

 #192
20150024133
2015-01-22

Ink compositions comprising colorant particles containing polymeric particles

 #193
20150023720
2015-01-22

Oil-based ink composition for ball-point pen, and oil-based ball-point pen refill using the same

 #194
20140299015
2014-10-09

Colorant, microcapsule pigment prepared by using the same and ink composition for writing instrument

 #195
20140272141
2014-09-18

Metallic ink composition and writing instrument containing same

 #196
20140255328
2014-09-11

Hydrothermal Synthesis of Zinc Phlogopite

 #197
20140235775
2014-08-21

Compound having bisazo skeleton, pigment dispersant containing the compound, pigment composition, pigment dispersion, ink and resist composition for color filter

 #198
20140186529
2014-07-03

Metallic ink composition and writing instrument containing same

 #199
20140118306
2014-05-01

System and method for capturing editable handwriting on a display

 #200
20140113813
2014-04-24

Irreversible thermochromic ink compositions

 #201
20140072719
2014-03-13

Metallic ink composition and writing instrument containing same

 #202
20140037362
2014-02-06

Irreversible color changing ink compositions

 #203
20130210622
2013-08-15

Thermochromic color-memory composition and thermochromic color-memory microcapsule pigment encapsulating the same

 #204
20130209665
2013-08-15

Fluorescent material for self-erasable writing, authentic security labeling, currency counterfeit prevention and processes for the preparation thereof

 #205
20130172183
2013-07-04

Irreversible thermochromic pigment capsules

 #206
20130172182
2013-07-04

Irreversible thermochromic ink compositions

 #207
20130172181
2013-07-04

Irreversible thermochromic ink compositions

 #208
20130171345
2013-07-04

Metallic ink composition and writing instrument containing same

 #209
20130029257
2013-01-31

Thermochromic color-memorization toner, cartridge including same housed therein, image formation apparatus, cartridge set, and image formation apparatus set

 #210
20120316276
2012-12-13

AQUEOUS MARKING INK COMPOSITION

 #211
20120308290
2012-12-06

Writing instrument

 #212
20120251222
2012-10-04

Ink composition for aqueous ink ball point pen and aqueous ink ball point pen

 #213
20120222583
2012-09-06

TRANSPARENT SOLID INK COMPOSITION AND METHOD OF PREPARING THE SAME

 #214
20120141188
2012-06-07

Reversibly thermochromic aqueous ink composition, and writing instrument and writing instrument set each utilizing same

 #215
20120070584
2012-03-22

Highlighting ink formulation comprising an anti-smear agent

 #216
20120014740
2012-01-19

Thermosensitive decolorable ink composition

 #217
20120009005
2012-01-12

ERASABLE INK FOR POROUS TIP WRITING INSTRUMENTS

 #218
20110303118
2011-12-15

Recrystallization type of ink composition

 #219
20110182651
2011-07-28

Metallic ink and applicator for applying the ink

 #220
20110097134
2011-04-28

Radiocontrast Highlighter

 #221
20110095232
2011-04-28

Phosphorescent/fluorescent compositions and methods

 #222
20110044748
2011-02-24

Liquid dye formulations in non-petroleum based solvent systems

 #223
20110008095
2011-01-13

Reversible thermal discoloration aqueous ink composition and writing implement using the same and writing implement set

 #224
20100310300
2010-12-09

Writing implement with thermochromic coloring color-memory composition

 #225
20100275813
2010-11-04

Discolorable ink composition and writing utensils

 #226
20100254747
2010-10-07

Hand held photochromic marking implement

 #227
20100249304
2010-09-30

Pearlescent pigment

 #228
20100232865
2010-09-16

Water-based ink composition for ballpoint pens

 #229
20100180796
2010-07-22

BLACK BRIGHT PIGMENT, AND COSMETIC, PAINT, INK OR RESIN COMPOSITION CONTAINING THE BLACK BRIGHT PIGMENT

 #230
20100162921
2010-07-01

Water base dual color ink composition and writing utensil using the same

 #231
20100159140
2010-06-24

Red reactive dyes, their preparation and their use

 #232
20100135711
2010-06-03

Ink composition for writing tool and writing tool

 #233
20100121343
2010-05-13

Scrub-resistant ink and methods and apparatus for fabrication and use thereof

 #234
20100116010
2010-05-13

Aqueous pigment preparations

 #235
20100098475
2010-04-22

WRITING INSTRUMENT AND WRITING INSTRUMENT SET

 #236
20100068642
2010-03-18

Universal stir-in pigments

 #237
20100063186
2010-03-11

WASHABLE INK COMPOSITIONS AND WRITING INSTRUMENTS COMPRISING SAME

 #238
20100047005
2010-02-25

LIGHT-EMITTING WRITING INSTRUMENT AND LIGHT-EMITTING INDICATOR USING THE SAME

 #239
20090324846
2009-12-31

POLYENE PIGMENT COMPOSITIONS FOR TEMPORARY HIGHLIGHTING AND MARKING OF PRINTED MATTER

 #240
20090293764
2009-12-03

Dye compound and ink containing dye compound

 #241
20090257816
2009-10-15

ERASABLE INK FOR POROUS TIP WRITING INSTRUMENTS

 #242
20090178213
2009-07-16

Mixtures of reactive dyes and their use

 #243
20090113640
2009-05-07

Liquid dye formulations in non-petroleum based solvent systems

 #244
20090062545
2009-03-05

Trisazo compound, ink composition, recording method, and colored article

 #245
20090050013
2009-02-26

Thermochromic coloring color-memory composition and thermochromic coloring color-memory microcapsule pigment containing the same

 #246
20090025602
2009-01-29

Capillary-action, glitter markers and ink compositions for same

 #247
20080302269
2008-12-11

Nanosized particles of monoazo laked pigment and non-aqueous compositions containing same

 #248
20080292792
2008-11-27

Azo compound, ink composition, and colored object

 #249
20080262122
2008-10-23

Process for producing resin-coated pigment, resin-coated pigment, aqueous pigment dispersion and aqueous colorant composition containing the same

 #250
20080124559
2008-05-29

Glass flake

 #251
20080097006
2008-04-24

Marking liquid

 #252
20080096999
2008-04-24

Pigment

 #253
20080017076
2008-01-24

IRIDESCENT PIGMENT HAVING HIGH BRILLIANCE AND HIGH CHROMA

 #254
20070243006
2007-10-18

Liquid graphite

 #255
20070203259
2007-08-30

Water-based ink composition

 #256
20070189836
2007-08-16

Friction body, writing instrument and writing instrument set

 #257
20070166558
2007-07-19

Writable and printable colloidal gold solution

 #258
20070137521
2007-06-21

Hand held photochromic marking implement

 #259
20070082977
2007-04-12

Ink composition for color-memorizing photochromic writing instrument and writing instrument using the same

 #260
20070017413
2007-01-25

Highlighting marking compositions, highlighting kits, and highlighted complexes

 #261
20060210924
2006-09-21

Photostorage solid drawing medium

 #262
20060188321
2006-08-24

Coating fluid and fluid applicator

 #263
20060185100
2006-08-24

Fibre-reactive azo dyes, their preparation and their use

 #264
20060137573
2006-06-29

Phthalocyanine pigment preparations

 #265
20060112856
2006-06-01

Method for the production of phthalocyanine pigment preparations

 #266
20060112851
2006-06-01

Thermochromic coloring color-memory composition and thermochromic coloring color-memory microcapsule pigment containing the same

 #267
20060069183
2006-03-30

Erasable aqueous color material composition

 #268
20060053975
2006-03-16

Color-memorizing photochromic writing instrument, color-memorizing photochromic writing instrument set using the same and method for alternately expressing color-memorizing photochromic function of writing image

 #269
20050245641
2005-11-03

Erasable ink for a writing implement

 #270
20050204957
2005-09-22

Modified carbon black dispersion liquid and water base ink containing the same

 #271
20050204956
2005-09-22

Writable and printable colloidal gold solution

 #272
20050197423
2005-09-08

Photostorage solid drawing medium

 #273
20050192379
2005-09-01

Eradicable composition and kit

 #274
20050178289
2005-08-18

Colorant compound, ink, ink tank, recording unit, recording apparatus and recording process

 #275
20050158471
2005-07-21

Method of highlighting with a reversible highlighting mixture, highlighting kit, and highlighted complex

 #276
20050148685
2005-07-07

Aqueous glittering color material composition

 #277
20050120919
2005-06-09

Highlightable and highlighted mixtures, marking instruments, and methods of using the same

 #278
20050120914
2005-06-09

Modified carbon black carbon black dispersion liquid and water base ink

 #279
20050095055
2005-05-05

Capillary-action, glitter markers and ink compositions for same

 #280
20050043435
2005-02-24

Water-based ink and process for producing water-based ink

 #281
20050020728
2005-01-27

Solid pigment composition for pigment ink pigment ink containing the same and process for preparing these

 #282
20050011404
2005-01-20

Black eradicable ink, methods of eradication of the same, eradicable ink kit, and eradicated ink complex

 #283
20050007506
2005-01-13

Electro-optical glazing structures having reflection and transparent modes of operation

 #284
20050007505
2005-01-13

Electro-optical glazing structures having reflection and transparent modes of operation