ClassID:

126918

D21H17/52 - CPC Classification

Classification description:

Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution; Macromolecular organic compounds; Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds Epoxy resins

Recent Application in this class:
#1
20250122670
2025-04-17

ABSORBENT MATERIAL AND METHOD OF PROVIDING AN ABSORBENT MATERIAL

#2
20250075431
2025-03-06

PAPER MATERIAL WITH VIRUCIDAL, BIOCIDAL AND BARRIER PROPERTIES TO WATER, FATS AND OILS

#3
20210189656
2021-06-24

Ash retention additive and methods of using the same

#4
20210115202
2021-04-22

Manufacture of composite dispersion based resin-infused random fiber mat

#5
20210024684
2021-01-28

Compositions for use in impregnation of paper bushings

#6
20190301100
2019-10-03

Method for increasing dimensional stability of a paper or a board product

#7
20190177918
2019-06-13

Carbon fiber sheet and method for manufacturing carbon fiber sheet

#8
20190003123
2019-01-03

Cationic polyetheramine dispersants for preparing papermaking stock

#9
20180313037
2018-11-01

Dispersant for carbon fibers, carbon fiber dispersion composition, and method for manufacturing carbon fiber sheet

#10
20180023254
2018-01-25

High efficiency wet strength resins from new cross-linkers

#11
20170058455
2017-03-02

Lightweight digital printing medium

#12
20160227977
2016-08-11

Method of cleaning residue from a surface using a high efficiency disposable cellulosic wiper

#13
20160221043
2016-08-04

High efficiency disposable cellulosic wiper for cleaning residue from a surface

#14
20160186377
2016-06-30

Formation of hydrated nanocellulose sheets with or without a binder for the use as a dermatological treatment

#15
20160047090
2016-02-18

Process to improve performance of wet-strength resins through base activation

#16
20160024719
2016-01-28

Paint immersing process for insulating paper

#17
20150361619
2015-12-17

Method of producing structure for producing casting, and structure such as mold

#18
20150259859
2015-09-17

High efficiency wet strength resins from new cross-linkers

#19
20150259858
2015-09-17

High efficiency wet strength resins from new cross-linkers

#20
20150247289
2015-09-03

LAMINATE AND COMPOSITE

#21
20150182092
2015-07-02

Method of cleaning residue from a surface using a high efficiency disposable cellulosic wiper

#22
20150176215
2015-06-25

Method of cleaning residue from a surface using a high efficiency disposable cellulosic wiper

#23
20150173583
2015-06-25

Method of cleaning residue from a surface using a high efficiency disposable cellulosic wiper

#24
20150173582
2015-06-25

Method of cleaning residue from a surface using a high efficiency disposable cellulosic wiper

#25
20150173581
2015-06-25

Method of cleaning residue from a surface using a high efficiency disposable cellulosic wiper

#26
20150164295
2015-06-18

Method of cleaning residue from a surface using a high efficiency disposable cellulosic wiper

#27
20150144281
2015-05-28

Absorbent sheets prepared with cellulosic microfibers

#28
20150144158
2015-05-28

Method of cleaning residue from a surface using a high efficiency disposable cellulosic wiper

#29
20150144157
2015-05-28

Method of cleaning residue from a surface using a high efficiency disposable cellulosic wiper

#30
20150129147
2015-05-14

High efficiency disposable cellulosic wiper

#31
20150122439
2015-05-07

High efficiency disposable cellulosic wiper

#32
20150122438
2015-05-07

High efficiency disposable cellulosic wiper

#33
20150122437
2015-05-07

High efficiency disposable cellulosic wiper

#34
20150122436
2015-05-07

High efficiency disposable cellulosic wiper

#35
20150122435
2015-05-07

High efficiency disposable cellulosic wiper

#36
20150122434
2015-05-07

High efficiency disposable cellulosic wiper

#37
20150122432
2015-05-07

High efficiency disposable cellulosic wiper

#38
20150041090
2015-02-12

POLYETHYLENE OXIDE TREATMENT FOR DRAINAGE AGENTS AND DRY STRENGTH AGENTS

#39
20150017224
2015-01-15

Method for producing a tissue paper sheet material containing an adjuvant substance for the treatment of allergic rhinitis, and the product obtained

#40
20150000852
2015-01-01

Dispersions made from treated inorganic particles for making decor paper having improved optical performance

#41
20140360690
2014-12-11

DEBONDERS FOR USE IN PAPERMAKING

#42
20140302521
2014-10-09

Sample preservation method and sample preservation substrate

#43
20140144598
2014-05-29

High efficiency disposable cellulosic wiper

#44
20140144466
2014-05-29

Method of cleaning residue from a surface using a high efficiency disposable cellulosic wiper

#45
20140124153
2014-05-08

Method of delivering a pigment dispersion and retention aid to a papermaking process

#46
20140069600
2014-03-13

Method for the emulsification of ASA with polyamidoamine epihalohydrin (PAE)

#47
20140020858
2014-01-23

High efficiency wet strength resins from new cross-linkers

#48
20130340963
2013-12-26

Debonder and softener compositions

#49
20130284668
2013-10-31

Curable epoxide containing formaldehyde-free compositions, articles including the same, and methods of using the same

#50
20130149614
2013-06-13

SEPARATOR FOR ALKALINE BATTERY, AND ALKALINE BATTERY

#51
20130020042
2013-01-24

Debonder and softener compositions

#52
20120248366
2012-10-04

Sizing compositions

#53
20120216976
2012-08-30

PAPER LAMINATES COMPRISING TUNGSTEN TREATED TITANIUM DIOXIDE HAVING IMPROVED PHOTOSTABILITY

#54
20120180815
2012-07-19

Method of cleaning residue from a surface using a high efficiency disposable cellulosic wiper

#55
20120006499
2012-01-12

Debonders for Use in Papermaking

#56
20100310883
2010-12-09

Cationic wet strength resin modified pigments in water-based latex coating applications

#57
20100184902
2010-07-22

Phosphoric Acid Quenched Creping Adhesive

#58
20090020139
2009-01-22

Disposable cellulosic wiper

#59
20080264587
2008-10-30

Reducing the Water and Water Vapour Absorbence and Enhancing the Dimensional Stability of Paper and Paper Products and Use of Coated Paper Products

#60
20080145598
2008-06-19

Honeycomb from paper having a high melt point thermoplastic fiber

#61
20070032157
2007-02-08

Dually dispersed fiber construction for nonwoven mats using chopped strands

#62
20070020452
2007-01-25

Acquisition fiber in sheet form with low degree of yellowing and low odor

#63
20070000629
2007-01-04

Paper towel with superior wiping properties

#64
20060207736
2006-09-21

Phosphoric acid quenched creping adhesive

#65
20060057925
2006-03-16

Nonwoven material for low friction bearing surfaces

#66
20050192402
2005-09-01

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

#67
20050118910
2005-06-02

Base material for laminate and process for producing the same