ClassID:

126993

D21H21/06 - CPC Classification

Classification description:

Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties Paper forming aids

Sub-classes:
Recent Application in this class:
#1
20240384471
2024-11-21

USE OF A CATIONIC COPOLYMER IN A MANUFACTURE OF PAPER, BOARD, TISSUE OR THE LIKE

#2
20240328089
2024-10-03

METHOD FOR REDUCING STARCH CONTENT OF AN AQUEOUS PHASE REMOVED FROM FIBRE STOCK PREPARATION

#3
20230250581
2023-08-10

Treated pulp and methods of making and using same

#4
20230235513
2023-07-27

Creped multi-ply tissue product

#5
20230135217
2023-05-04

Multilayer film comprising highly refined cellulose fibers

#6
20230037691
2023-02-09

BUFFER MATERIAL

#7
20220364310
2022-11-17

Creped multi-ply tissue product

#8
20220106739
2022-04-07

METHOD FOR MANUFACTURING INJECTION MOLDING MATERIAL AND INJECTION MOLDING MATERIAL

#9
20220090324
2022-03-24

Creped multi-ply tissue product

#10
20210363700
2021-11-25

STARCH COMPOSITE FOR BINDING FIBERS, FIBER STRUCTURE, AND FIBER STRUCTURE-MANUFACTURING APPARATUS

#11
20210017711
2021-01-21

FIBER STRUCTURAL BODY AND METHOD FOR MANUFACTURING THE SAME

#12
20200399831
2020-12-24

Pickled vegetable-based edible packaging paper and preparation method therefor

#13
20200385930
2020-12-10

Fiber body forming method and sheet

#14
20200308766
2020-10-01

Treated pulp and methods of making and using same

#15
20200080262
2020-03-12

SHEET MANUFACTURING BINDING MATERIAL, RECEIVING CONTAINER, SHEET, AND SHEET MANUFACTURING APPARATUS

#16
20200024804
2020-01-23

Method for manufacturing inorganic particle composite fiber sheet

#17
20200024803
2020-01-23

Process for making absorbent towel and soft sanitary tissue paper webs

#18
20190264394
2019-08-29

Method to form a web comprising fibers

#19
20190234020
2019-08-01

Microfibrillated film

#20
20190169797
2019-06-06

METHOD OF PRODUCING A CARBOXYALKYLATED NFC PRODUCT, A CARBOXYALKYLATED NFC PRODUCT AND USE THEREOF

#21
20190100881
2019-04-04

Binder, sheet manufacturing apparatus, sheet manufacturing method, and sheet

#22
20190062996
2019-02-28

Sheet manufacturing apparatus, sheet manufacturing system, control method of a sheet manufacturing apparatus, and sheet manufacturing method

#23
20190055695
2019-02-21

Release aid

#24
20190024319
2019-01-24

Use of an acrylate copolymer as retention aid in a method of making a substrate comprising cellulosic fibres

#25
20190003128
2019-01-03

Hydrolysable sheet

#26
20180371695
2018-12-27

Paper-like and nanocomposite material based on mineral fiber

#27
20180355557
2018-12-13

Manufacturing method for a film or product comprising an amphiphilic polymer

#28
20180216294
2018-08-02

Method for producing paper

#29
20180187374
2018-07-05

Method for controlling hydrophobic particles in aqueous environment in paper or board manufacture

#30
20180119361
2018-05-03

Molded pomace pulp products and methods

#31
20180112014
2018-04-26

Stabilized composition for combined odor control and enhanced dewatering

#32
20180080176
2018-03-22

Sheet manufacturing apparatus and sheet manufacturing method

#33
20170328004
2017-11-16

Papermaking process of increasing ash content of a paper product and a paper product obtained by the same

#34
20170326522
2017-11-16

Process for preparing microcapsules having a polyurea shell and a lipophilic core material

#35
20170037574
2017-02-09

Aldehyde-functionalized polymers for paper strength and dewatering

#36
20160369030
2016-12-22

Structured block copolymers

#37
20160311940
2016-10-27

Aqueous solution of cationic copolymers derived from acrylamide, preparation method and use

#38
20160273166
2016-09-22

Papermaking agent system, method for making a papermaking agent system and its use

#39
20160186382
2016-06-30

METHOD AND APPARATUS FOR THE MANUFACTURING OF COMPOSITE MATERIAL

#40
20150298481
2015-10-22

Crease-resistant security film

#41
20150068697
2015-03-12

Method for dissolving cationic starch, papermaking agent and its use

#42
20140174685
2014-06-26

Cellulase composition containing cellulase and papermaking polymers for paper dry strength application

#43
20110253333
2011-10-20

Paper making processes and system using enzyme and cationic coagulant combination

#44
20110088861
2011-04-21

Recycling of waste coating color

#45
20090314446
2009-12-24

Low amidine content polyvinylamine, compositions containing same and methods

#46
20090250182
2009-10-08

Papermaking Method and Papermaking System