ClassID:

126903

D21H17/375 - page 2 - 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; Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates Poly(meth)acrylamide

Recent Application in this class:
#301
20080047678
2008-02-28

Cationic Polymers Containing 2-Hydrocyethyl-Methacrylic As Promoters For Asa Sizing

#302
20080039598
2008-02-14

Fine-particled amphoteric aqueous polymer dispersion method for production and use thereof

#303
20080035293
2008-02-14

Process for manufacturing of paper

#304
20080033094
2008-02-07

Highly Cationic Polymer Dispersions, Method For Producing Them And Their Use

#305
20080017339
2008-01-24

Temporary Wet Strength Agents And Products Made From Such Agents

#306
20080009596
2008-01-10

Michael addition adducts as additives for paper and papermaking

#307
20080000601
2008-01-03

Method for the production of paper, paperboard and cardboard

#308
20070284070
2007-12-13

Paper Manufacturing Process

#309
20070272380
2007-11-29

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

#310
20070151688
2007-07-05

Process for the production of paper

#311
20070119560
2007-05-31

Method for producing paper, paperboard and cardboard

#312
20070107864
2007-05-17

Filler-containing paper and a method for the production of filler-containing paper

#313
20070078233
2007-04-05

Temporary wet strength resin for paper applications

#314
20060289137
2006-12-28

Retention and drainage in the manufacture of paper

#315
20060270801
2006-11-30

Glyoxalated inter-copolymers with high and adjustable charge density

#316
20060266488
2006-11-30

Hydrophobic polymers and their use in preparing cellulosic fiber compositions

#317
20060254464
2006-11-16

Process for the production of paper

#318
20060249269
2006-11-09

High molecular weight compact structured polymers, methods of making and using

#319
20060243407
2006-11-02

Paper and paperboard production process and corresponding novel retention and drainage aids, and papers and paperboards thus obtained

#320
20060225854
2006-10-12

Newsprint paper treated with cationic surface sizing agent

#321
20060169431
2006-08-03

Enhanced efficacy of fungicides in paper and paperboard

#322
20060162886
2006-07-27

Process for improving dry strength and drainage of paper and paperboard

#323
20060142535
2006-06-29

Reactive cationic resins for use as dry and wet strength agents in sulfite ion-containing papermaking systems

#324
20060142464
2006-06-29

Polymer dispersion and process for preparing a polymer dispersion

#325
20060142432
2006-06-29

Retention and drainage in the manufacture of paper

#326
20060142430
2006-06-29

Retention and drainage in the manufacture of paper

#327
20060137843
2006-06-29

Retention and drainage in the manufacture of paper

#328
20060130991
2006-06-22

Process for the production of paper

#329
20060102306
2006-05-18

Paper improver

#330
20060084772
2006-04-20

Method of preparing modified diallyl-N,N-disubstituted ammonium halide polymers

#331
20060084771
2006-04-20

Method of preparing modified diallyl-N,N-disubstituted ammonium halide polymers

#332
20060037727
2006-02-23

Blends of glyoxalated polyacrylamides and paper strengthening agents

#333
20060037512
2006-02-23

Alkenylsuccinic anhydride compositions and method for using the same

#334
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

#335
20060014892
2006-01-19

Polyalkyldiallylamine-epihalohydrin resins as wet strength additives for papermaking and process for making the same

#336
20060014102
2006-01-19

Slip sheet for a planographic printing plate, production process thereof and a protected planographic printing plate and laminate thereof

#337
20060002879
2006-01-05

Methods of treating keratin based substrates

#338
20050272889
2005-12-08

Papermaking chemical, method for manufacturing same, and paper containing same

#339
20050266758
2005-12-01

Wet-spun non-woven fabric and method for producing the same

#340
20050247422
2005-11-10

Parts of an air cleaner for automobiles and a method of manufacturing the same

#341
20050247420
2005-11-10

Production of paper, board and cardboard

#342
20050236123
2005-10-27

Retention and drainage in the manufacture of paper

#343
20050228058
2005-10-13

Silica-based sols and their production and use

#344
20050197278
2005-09-08

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

#345
20050183837
2005-08-25

Use of water-soluble polymer complexes in aqueous systems

#346
20050178517
2005-08-18

Bulky paper

#347
20050178515
2005-08-18

Strong and dispersible paper products

#348
20050161183
2005-07-28

Process for making paper

#349
20050161181
2005-07-28

Method of using aldehyde-functionalized polymers to enhance paper machine dewatering

#350
20050155731
2005-07-21

Process for making abrasion resistant paper and paper and paper products made by the process

#351
20050113462
2005-05-26

Silica-based sols

#352
20050061462
2005-03-24

Aqueous silica-containing composition

#353
20050056390
2005-03-17

Gelled starch compositions and methods of making gelled starch compositions

#354
20050032643
2005-02-10

Heat-sensitive recording material

#355
20050032642
2005-02-10

Heat-sensitive recording material

#356
14157437
2014-11-25

Wet end chemicals for dry end strength