ClassID:

126875

D21H17/10 - CPC Classification

Classification description:

Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution; Non-macromolecular organic compounds containing elements other than carbon and hydrogen only Phosphorus-containing compounds

Recent Application in this class:
#1
20230337721
2023-10-26

Wrapper Paper with Improved Flame Resistance

#2
20230323603
2023-10-12

FLAME-RESISTANT PAPER FOR RADIO WAVE ABSORBER MEMBER AND PRODUCTION METHOD FOR SAME

#3
20210284755
2021-09-16

Phosphoric acid-esterified fine cellulose fiber and method for producing the same

#4
20210047783
2021-02-18

Paper treatment agent

#5
20200308770
2020-10-01

Paper treatment agent

#6
20190062989
2019-02-28

Water based liquid fire retardant for use in cellulose insulation

#7
20180282946
2018-10-04

SHEET AND LAMINATE

#8
20170356134
2017-12-14

Binder compositions for making crosslinked cellulose fiber

#9
20160272892
2016-09-22

Phosphorus-nitrogen-based intumescent flame retardant and synthetic method and use thereof

#10
20160115249
2016-04-28

Phosphoric acid-esterified fine cellulose fiber and method for producing the same

#11
20150353832
2015-12-10

PHOSPHINATE IONIC LIQUID COMPOSITIONS AND METHODS OF USE

#12
20150273359
2015-10-01

Defoamer compositions and methods of using the same

#13
20150040800
2015-02-12

Dispersed calcium carbonate containing material for an improved stability under alkaline conditions

#14
20140259458
2014-09-18

Processes and compositions for brightness improvement in paper production

#15
20130233529
2013-09-12

Total heat exchanging element paper

#16
20130133850
2013-05-30

Fire retardant treated fluff pulp web and process for making same

#17
20120227629
2012-09-13

Beneficial Thermo-Chemical Treatment of Kaolin with Ammonium Polyphosphate

#18
20110186253
2011-08-04

Process for making paper

#19
20110114904
2011-05-19

Composition for treatment of fiber materials by exhaust method in particular

#20
20110100575
2011-05-05

Aqueous suspensions of fine-particulate fillers, method for the manufacture thereof and use thereof for the manufacture of fluid-containing papers

#21
20110079365
2011-04-07

Production of paper

#22
20100304166
2010-12-02

Fiber products

#23
20100227072
2010-09-09

Phosphate-containing binders for nonwoven goods

#24
20100203318
2010-08-12

Use of Aluminum Phosphate, Polyphosphate and Metaphosphate Particles in Paper Coating Applications

#25
20100184902
2010-07-22

Phosphoric Acid Quenched Creping Adhesive

#26
20090005471
2009-01-01

Phosphorus-containing flame retardant formulation for cellulose-containing moldings

#27
20080223216
2008-09-18

Aqueous composition for filter media with enhanced wet burst strength

#28
20080028986
2008-02-07

Hydrophilized substrate and method for hydrophilizing a hydrophobic surface of a substrate

#29
20070257232
2007-11-08

Light-emitting body dispersed with phosphor particles, method for producing same and material or article containing such light-emitting body

#30
20070102130
2007-05-10

Lecithin-containing starch compositions, preparation thereof and paper products having oil and grease resistance, and/or release properties

#31
20070102129
2007-05-10

Lecithin-starches compositions, preparation thereof and paper products having oil and grease resistance, and/or release properties

#32
20070082194
2007-04-12

Fire retardant paper

#33
20070082139
2007-04-12

Process for the flame-retardant treatment of fiber products

#34
20060229393
2006-10-12

Compositions and methods for enhancing brightness and brightness stabilization in papermaking

#35
20060207736
2006-09-21

Phosphoric acid quenched creping adhesive

#36
20060154832
2006-07-13

Phospholipid lubricant for coating moving webs

#37
20060029567
2006-02-09

Material for odor control

#38
20050274472
2005-12-15

Flame resistant paper product and method for manufacturing

#39
20050222309
2005-10-06

Phosphorus-containing flame retardant formulation for cellulose-containing moldings

#40
20050192402
2005-09-01

Epichlorohydrin-based polymers containing primary amino groups used as additives in papermaking

#41
20050178516
2005-08-18

Speaker component, method of manufacturing the same and speaker apparatus including the same

#42
20050155733
2005-07-21

Fire-proof treatment solution and fire-retardant material therefrom

#43
20050077022
2005-04-14

Compositions for reducing paper linting and dusting

#44
10333744
2017-06-13

Total heat exchanging element paper