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ClassID:

126938 ⎘

D21H17/71 - CPC Classification

Classification description:

Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes

Sub-classes:
Recent Application in this class:
#1
20210102337
2021-04-08

HIGH STRETCH PAPER AND METHOD OF PRODUCING THE SAME

 #2
20200199817
2020-06-25

System and method for mill effluent biological oxygen demand (BOD) reduction

 #3
20200071883
2020-03-05

Surface treatment composition

 #4
20190301095
2019-10-03

System and method for mill effluent biological oxygen demand (BOD) reduction

 #5
20190242065
2019-08-08

Dry strength composition, its use and method for making of paper, board or the like

 #6
20170067208
2017-03-09

Method of making a thermoplastic fiber composite material and web

 #7
20160272892
2016-09-22

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

 #8
20140374043
2014-12-25

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

 #9
20140158316
2014-06-12

Compositions used in paper and methods of making paper

 #10
20130192778
2013-08-01

Filler composition and method of producing composite materials

 #11
20120308790
2012-12-06

Surface treatment composition

 #12
20110253333
2011-10-20

Paper making processes and system using enzyme and cationic coagulant combination

 #13
20100310776
2010-12-09

Cationic wet strength resin modified pigments in barrier coating applications

 #14
20100179248
2010-07-15

AQUEOUS SLURRIES OF FINELY DIVIDED FILLERS, A PROCESS FOR THEIR PREPARATION AND THEIR USE FOR THE PRODUCTION OF PAPERS HAVING A HIGH FILLER CONTENT AND HIGH DRY STRENGTH

 #15
20100078138
2010-04-01

Unruptured, ionic, swollen starch for use in papermaking

 #16
20100043991
2010-02-25

Papers having borate-based complexing and method of making same

 #17
20070119560
2007-05-31

Method for producing paper, paperboard and cardboard

 #18
20060163524
2006-07-27

Formulations used for the treatment of substrate surfaces

 #19
20060162882
2006-07-27

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

 #20
20060124264
2006-06-15

Wet strength and softness enhancement of paper products

 #21
20060065380
2006-03-30

Bicomponent strengthening system for paper

 #22
20050252629
2005-11-17

Swollen starch-latex compositions for use in papermaking

 #23
20050147827
2005-07-07

Archival spray composition

 #24
20050139809
2005-06-30

Archival spray composition

 #25
20050139125
2005-06-30

Archival spray composition

 #26
20050077022
2005-04-14

Compositions for reducing paper linting and dusting

 #27
20050056391
2005-03-17

Papers having borate-based complexing and method of making same

 #28
20050006043
2005-01-13

Fibrous structure comprising a fiber flexibilizing agent system