ClassID:

126920

D21H17/54 - 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 obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen

Sub-classes:
Recent Application in this class:
#1
20240271365
2024-08-15

MODIFIED ARAMID PULP AND FRICTION MATERIAL COMPRISING MODIFIED ARAMID PULP

#2
20200362508
2020-11-19

Fluorine-free fibrous treating compositions including a polycarbodiimide and an optional paraffin wax, and treating methods

#3
20200123708
2020-04-23

REINFORCED PAPER, METHOD OF MAKING A REINFORCED PAPER, AND ARTICLE COMPRISING A REINFORCED PAPER

#4
20190301100
2019-10-03

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

#5
20180194906
2018-07-12

Method for producing a material with a network of at least two polymers, a product thereof and use of the product

#6
20180016738
2018-01-18

Fluorine-free fibrous treating compositions including a polycarbodiimide and an optional paraffin wax, and treating methods

#7
20170037575
2017-02-09

Process for manufacturing paper using a base copolymer that has reacted with an aldehyde as a dry strength, retention, drainage and runnability aid

#8
20160281300
2016-09-29

Compositions and methods of making paper products

#9
20160201269
2016-07-14

High molecular weight and high cationic charge glyoxalated polyacrylamide copolymers and their methods of manufacture and use

#10
20150298480
2015-10-22

BASE PAPER FOR DECORATIVE LAMINATE AND DECORATIVE LAMINATE

#11
20150176214
2015-06-25

BULK AND STIFFNESS ENHANCEMENT IN PAPERMAKING

#12
20150136348
2015-05-21

Process for manufacturing paper using a base copolymer that has reacted with an aldehyde as a dry strength, retention, drainage and runnability aid

#13
20150068697
2015-03-12

Method for dissolving cationic starch, papermaking agent and its use

#14
20140336314
2014-11-13

Method of using aldehyde-functionalized polymers to increase papermachine performance and enhance sizing

#15
20140158316
2014-06-12

Compositions used in paper and methods of making paper

#16
20130192782
2013-08-01

Method of using aldehyde-functionalized polymers to increase papermachine performance and enhance sizing

#17
20130180679
2013-07-18

Method for improving the removal of water

#18
20120264888
2012-10-18

Process to produce an acylated vinylamine-containing polymer and its application as a papermaking additive

#19
20120180969
2012-07-19

Copolymer, treatment agent for paper, and treated paper

#20
20120043040
2012-02-23

Method of treating paper forming wire surface

#21
20110171460
2011-07-14

Laminate and Method for the Production Thereof

#22
20090288791
2009-11-26

Nonwoven having improved wet fastness and alkali resistance and cellulose hydrate-based food casing from said nonwoven

#23
20090272506
2009-11-05

Papers with a high filler material content and high dry strength

#24
20090043051
2009-02-12

Modified vinylamine-containing polymers as additives in papermaking

#25
20090008051
2009-01-08

Wet strength enhancers for paper

#26
20070272380
2007-11-29

Method of making a paper web containing refined long fiber using a charge controlled headbox

#27
20070221348
2007-09-27

Aqueous compositions containing perfluoropolyether di-carboxylic salts for the oleo-repellent paper treatment

#28
20070215301
2007-09-20

Method for making a low density multi-ply paperboard with high internal bond strength

#29
20070056706
2007-03-15

Use of non-thermosetting polyamidoamines as dry-strength resins

#30
20060228499
2006-10-12

Printing media with polydicyandiamides and multi-valent salts

#31
20060183816
2006-08-17

Additive system for use in paper making and process of using the same

#32
20060142432
2006-06-29

Retention and drainage in the manufacture of paper

#33
20060032595
2006-02-16

Method of making a paper web containing refined long fiber using a charge controlled headbox and a single ply towel made by the process

#34
20060000570
2006-01-05

Amphoteric cationic polymers for controlling deposition of pitch and stickies in papermaking

#35
20050245151
2005-11-03

Nonwoven wiping material with improved quaternary salt release properties