Patents-Review.com
ClassID:

126907 ⎘

D21H17/41 - 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 by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups

Sub-classes:
Recent Application in this class:
#1
20240003088
2024-01-04

CERAMIC PAPER AND METHOD FOR PREPARING SAME

 #2
20220235201
2022-07-28

A METHOD TO PRODUCE A FIBROUS PRODUCT COMPRISING MICROFIBRILLATED CELLULOSE

 #3
20190309480
2019-10-10

Foam assisted application of strength additives to paper products

 #4
20190276578
2019-09-12

Polymer composition and its uses

 #5
20190055697
2019-02-21

Sheet

 #6
20190048530
2019-02-14

Process for manufacturing paper and board

 #7
20180216294
2018-08-02

Method for producing paper

 #8
20170328008
2017-11-16

Tissue dust reduction

 #9
20170314203
2017-11-02

Method and composition for detackifying organic contaminants in the process of pulping and papermaking

 #10
20170233949
2017-08-17

Modified of improving dry strength and/or drainage of a paper or paperboard

 #11
20160298297
2016-10-13

Modified vinylamine-containing polymers and their use in papermaking

 #12
20150299961
2015-10-22

Modified vinylamine containing polymers and their use in papermaking

 #13
20150299958
2015-10-22

High strength paper

 #14
20150144282
2015-05-28

Method for increasing paper strength

 #15
20120222830
2012-09-06

Method for producing paper

 #16
20120152476
2012-06-21

High strength paper

 #17
20120132382
2012-05-31

Acrylamide-derived cationic copolymers, and uses thereof

 #18
20110277949
2011-11-17

Compositions containing expandable microspheres and an ionic compound, as well as methods of making and using the same

 #19
20100200185
2010-08-12

Papermaking internal sizing agent and use thereof

 #20
20100084102
2010-04-08

Papermaking additive and filled paper

 #21
20100032115
2010-02-11

Compositions containing expandable microspheres and an ionic compound as well as methods of making and using the same

 #22
20100032114
2010-02-11

Compositions containing expandable microspheres and an ionic compound as well as methods of making and using the same

 #23
20070044929
2007-03-01

Compositions containing expandable microspheres and an ionic compound, as well as methods of making and using the same

 #24
20060289139
2006-12-28

Retention and drainage in the manufacture of paper

 #25
20060289136
2006-12-28

Retention and drainage in the manufacture of paper

 #26
20060162882
2006-07-27

Water-soluble polymer dispersion, process for producing the same and method of use therefor

 #27
20050197278
2005-09-08

Aqueous slurries of finely divided fillers, their preparation and their use for the production of filler-containing papers