ClassID:

103108

C09D13/00 - CPC Classification

Classification description:

Pencil-leads; Crayon compositions; Chalk compositions

Recent Application in this class:
#1
20260062562
2026-03-05

SYSTEM FOR PRODUCING SUPERHYDROPHOBIC RUBBER AND PLASTIC COMPOUNDS WITH ANTIFOULING PROPERTIES

#2
20250340082
2025-11-06

PENCIL LEAD AND MANUFACTURING METHOD FOR SAME

#3
20250320369
2025-10-16

NON-BAKED PENCIL LEAD

#4
20250282973
2025-09-11

Chalk for people of colors

#5
20250263573
2025-08-21

WATER-BASED SOLID MARKING COMPOSITION

#6
20250250455
2025-08-07

ERASABLE, UNBURNT COLORED LEAD FOR WRITING, DRAWING AND PAINTING DEVICES OR ERASABLE, UNBURNT COLORED CHALK, WRITING, PAINTING OR DRAWING DEVICE COMPRISING AN ERASABLE, UNBURNT COLORED LEAD AND METHOD FOR MANUFACTURING AN ERASABLE, COLORED LEAD OR CHALK

#7
20250059396
2025-02-20

LEAD OR CHALK FOR WRITING, PAINTING AND/OR COSMETIC PURPOSES, PENCIL WITH A LEAD AND METHOD FOR PRODUCING A LEAD OR CHALK

#8
20250034422
2025-01-30

WAX CRAYON COMPRISING ZRO2

#9
20240400850
2024-12-05

LEAD COMPRISING BINDER MADE FROM CELLULOSE ESTERS

#10
20240209230
2024-06-27

NON-BAKED PENCIL LEAD AND METHOD FOR MANUFACTURING NON-BAKED PENCIL LEAD

#11
20240101853
2024-03-28

Color-change and erasable writing compositions, writing instruments, and systems

#12
20230398808
2023-12-14

PENCIL LEAD

#13
20230373236
2023-11-23

IMPROVED COLORING PENCIL LEAD FOR SYNTHETIC PENCIL BASED ON BIOPOLYMERS BLENDS

#14
20230242784
2023-08-03

CALCINED SOLID DRAWING MATERIAL

#15
20230234393
2023-07-27

FOOD COLOR PENCIL

#16
20230117983
2023-04-20

Water-Soluble Coloring Compositions Comprising Alcohol Alkoxylates with 40 to 160 Ethoxy Units Derived from Primary Alcohols Having a Chain Length Between 20 and 30 Carbon Atoms

#17
20220389259
2022-12-08

ECO-FRIENDLY CRAYON COMPOSITION AND METHOD FOR PRODUCING ECO-FRIENDLY CRAYONS

#18
20210371690
2021-12-02

NON-BAKED PENCIL LEAD

#19
20210292589
2021-09-23

Graphite lead or graphite chalk or graphite block, pencil with graphite lead, and method for producing a graphite lead or graphite chalk or graphite block

#20
20210206989
2021-07-08

LEAD FOR PENCIL FOR WRITING, DRAWING, MARKING, PLOTTING AND/OR COLORING

#21
20210130638
2021-05-06

Core or crayon for writing and/or coloring

#22
20210129576
2021-05-06

Erasable writing compositions

#23
20210093518
2021-04-01

Preparation of silica-coated calcium carbonates with increased surface area and mesoporosity

#24
20200224316
2020-07-16

HYDROPHOBIC COATINGS FOR METALS INCORPORATING ANODIC AND RARE-EARTH OXIDES AND METHODS OF APPLYING SAME

#25
20200216704
2020-07-09

Color-change and erasable writing compositions, writing instruments, and systems

#26
20200115581
2020-04-16

Pencil lead

#27
20200071179
2020-03-05

Releasing impurities from a calcium-based mineral

#28
20190322120
2019-10-24

Writing or coloring pencil

#29
20190263172
2019-08-29

Pencil lead

#30
20190136068
2019-05-09

Method of manufacturing colored chalk

#31
20190106794
2019-04-11

Hydrophobic coatings for metals incorporating anodic and rare-earth oxides and methods of applying same

#32
20190100673
2019-04-04

Colored lead or colored chalk, pencil containing a colored lead, and process for preparing a colored lead or colored chalk

#33
20190077175
2019-03-14

Color development writing compositions and writing instruments

#34
20190048220
2019-02-14

Wax-based coloring crayon with a watercolor effect

#35
20190016912
2019-01-17

Color development writing compositions and writing instruments

#36
20190016847
2019-01-17

Curable polyfarnesene-based compositions

#37
20180291222
2018-10-11

COLOURIZED PEN WITH HIGH ELASTICITY AND PLASTICITY AND MANUFACTURING PROCESS THEREOF

#38
20180258214
2018-09-13

Polyols derived from farnesene for polyurethanes

#39
20180237652
2018-08-23

Writing instrument and related production method

#40
20180112095
2018-04-26

Renewable, biodegradable marking wax composition

#41
20180037712
2018-02-08

Multifunctional clay composition

#42
20180021230
2018-01-25

LEAD, CHALK OR COLOR TABLET FOR WRITING, DRAWING AND/OR COSMETICS PURPOSES, PENCIL CONTAINING A LEAD, AND METHOD FOR PRODUCING A LEAD, CHALK OR COLOR TABLET

#43
20180001694
2018-01-04

Paper pencil lead

#44
20170349775
2017-12-07

Colour pencil lead

#45
20170348997
2017-12-07

Pencil for writing or colouring

#46
20170174923
2017-06-22

Pencil lead

#47
20170107392
2017-04-20

Seed-containing crayon

#48
20170051173
2017-02-23

Solid drawing material

#49
20170015858
2017-01-19

Lead refill for writing, drawing and/or painting devices and method for the production thereof

#50
20160368307
2016-12-22

Scented writing instruments and methods for making the same

#51
20160362574
2016-12-15

Color pencil lead

#52
20160289480
2016-10-06

ANTIMICROBIAL CHALK COMPOSITIONS

#53
20160237295
2016-08-18

Refill for writing, drawing and/or painting devices and method for the production thereof

#54
20160167425
2016-06-16

Chalk line device

#55
20160108273
2016-04-21

Solid tempera and method for manufacturing same

#56
20160075904
2016-03-17

Solid writing material

#57
20160017163
2016-01-21

Reversible thermochromic and photochromic ink pens and markers

#58
20160017162
2016-01-21

Reversible thermochromic and photochromic ink pens and markers

#59
20150376433
2015-12-31

SOLID WRITING MATERIAL

#60
20150299490
2015-10-22

WRITING INSTRUMENT FOR LABELING FOOD CONTAINERS

#61
20150104234
2015-04-16

Seed-containing crayon

#62
20130338257
2013-12-19

COLOURIZED PEN WITH HIGH ELASTICITY AND PLASTICITY AND MANUFACTURING PROCESS THEREOF

#63
20130177345
2013-07-11

Solid drawing material and solid drawing tool

#64
20120322927
2012-12-20

Writing substance for writing, drawing and/or painting tools

#65
20120204438
2012-08-16

Chalk Marking Device

#66
20120037035
2012-02-16

Pencil lead and production process for the same

#67
20110277661
2011-11-17

Natural oil based marking compositions and their methods of making

#68
20110250151
2011-10-13

COLD PROCESS WATER SOLUBLE WAX CONTAINING POWDERS

#69
20110151108
2011-06-23

Lead for painting and method of painting with a lead

#70
20110129284
2011-06-02

Writing, drawing, decorating or cosmetic pencil

#71
20110124786
2011-05-26

Paint Compositions

#72
20110118383
2011-05-19

Pencil lead for writing, drawing and/or painting devices

#73
20100273914
2010-10-28

Crayon

#74
20100116010
2010-05-13

Aqueous pigment preparations

#75
20100016471
2010-01-21

Crayon and process for producing the same

#76
20090326096
2009-12-31

Crayon and process for producing the same

#77
20090293767
2009-12-03

Transparent solid marker

#78
20090247668
2009-10-01

Process for production of black crayon

#79
20090209678
2009-08-20

CRAYON

#80
20090028911
2009-01-29

PROCESS FOR THE PRODUCTION OF PIGMENT-BEARING LEADS

#81
20080295347
2008-12-04

Moisture resistant chalk line composition for use with chalk line devices

#82
20080236442
2008-10-02

Chalk line device, waterproof chalk composition, and method

#83
20080078301
2008-04-03

Process For The Production Of Pigment-Bearing Leads

#84
20070289482
2007-12-20

Color lead for a writing device, drawing device or painting device

#85
20070204760
2007-09-06

Solid drawing material

#86
20070163467
2007-07-19

Multi-colored crayons with associated packaging

#87
20070056466
2007-03-15

Compound for the decoration of ceramics

#88
20060222443
2006-10-05

MARKER IMPLEMENT

#89
20060194049
2006-08-31

Lead for writing, drawing and painting utensils

#90
20060062906
2006-03-23

Crayon

#91
20060020055
2006-01-26

Erasable color lead

#92
20060018936
2006-01-26

Core for cosmetic articles

#93
20050252409
2005-11-17

Solid drawing material and method for producing the same

#94
20050211132
2005-09-29

Pigment-containing gel mass vased on lipids

#95
20050053633
2005-03-10

Lead for writing, sketching, and cosmetics

#96
20050053410
2005-03-10

Simple and efficient process for the preparation of pencil lead from spent pot-liners

#97
19032617
2025-11-25

Superhydrophobic anti-fouling crayon having capsaicin, medetomidine and other macrofouling inhibitors that is transparent to electronic sensors

#98
15831347
2019-05-07

Compositions for eco-friendly crayon and methods for preparing the same