ClassID:

126887

D21H17/22 - 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 of natural origin; Derivatives thereof Proteins

Recent Application in this class:
#1
20250188679
2025-06-12

STARCH-CELLULOSE COMPOSITE MATERIAL

#2
20240101854
2024-03-28

POLYMER COMPOSITIONS AND COATINGS

#3
20240101824
2024-03-28

BARRIER COATINGS, FREE-STANDING STRUCTURES, ASSOCIATED PRODUCTS AND ASSOCIATED METHODS

#4
20240018722
2024-01-18

Preparation method of tea residue fiber raw materials and application thereof

#5
20220251783
2022-08-11

Starch-cellulose composite material

#6
20220034039
2022-02-03

FAST DISINTEGRATING PAPER PRODUCTS AND METHODS OF MAKING

#7
20210284440
2021-09-16

Biodegradable and compostable dog waste materials and method for using same

#8
20210148052
2021-05-20

Method of producing hydrophobic paper

#9
20210054225
2021-02-25

Polymer compositions and coatings

#10
20210017711
2021-01-21

FIBER STRUCTURAL BODY AND METHOD FOR MANUFACTURING THE SAME

#11
20200399831
2020-12-24

Pickled vegetable-based edible packaging paper and preparation method therefor

#12
20190112495
2019-04-18

POLYMER COMPOSITIONS AND COATINGS

#13
20180334659
2018-11-22

XYLANASES, NUCLEIC ACIDS ENCODING THEM AND METHODS FOR MAKING AND USING THEM

#14
20180327973
2018-11-15

Active moisture control material for packaging

#15
20180245287
2018-08-30

Method to produce a film comprising microfibrillated cellulose and an amphoteric polymer

#16
20180208817
2018-07-26

Protein adhesives containing an anhydride, carboxylic acid, and/or carboxylate salt compound and their use

#17
20170335522
2017-11-23

Hydrophobically sized fibrous web and a method for the preparation of a sized web layer

#18
20170314202
2017-11-02

Paper material and relative manufacturing procedure

#19
20170067209
2017-03-09

METHOD OF MAKING LIGNOCELLULOSIC PAPER AND PAPER PRODUCTS

#20
20160230345
2016-08-11

Extracellular polymers from granular sludge as sizing agents

#21
20160122568
2016-05-05

Polymer compositions and coatings

#22
20150361618
2015-12-17

Paper-strength agents and methods for improving pulp products

#23
20150308047
2015-10-29

Improving drainage of paper pulp

#24
20150267095
2015-09-24

Protein adhesives containing an anhydride, carboxylic acid, and/or carboxylate salt compound and their use

#25
20150144573
2015-05-28

Consolidation and dewatering of particulate matter with protein

#26
20150104833
2015-04-16

Protein having B-glucosidase activity and uses thereof

#27
20150096700
2015-04-09

Hydrophobically sized fibrous web and a method for the preparation of a sized web layer

#28
20140302521
2014-10-09

Sample preservation method and sample preservation substrate

#29
20140298499
2014-10-02

Xylanases, Nucleic Acids Encoding Them and Methods for Making and Using Them

#30
20140262093
2014-09-18

Properties of paper materials

#31
20140174685
2014-06-26

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

#32
20130236722
2013-09-12

Coatings for cellulosic material and methods of preparing and applying thereof

#33
20120148706
2012-06-14

Protein having β-glucosidase activity and uses thereof

#34
20110059441
2011-03-10

METHOF OF PRODUCING BIOACTIVE PAPER

#35
20110027456
2011-02-03

Use of gelatin particles in powdered coating processes

#36
20110016545
2011-01-20

Xylanases, nucleic acids encoding them and methods for making and using them

#37
20100330384
2010-12-30

Method of treating cellulosic materials with hydrophobins

#38
20100314057
2010-12-16

Flour-based product, its preparation and use

#39
20100240805
2010-09-23

ADHESIVE COMPOSITIONS AND PROCESS FOR PREPARING SAME

#40
20100216189
2010-08-26

Synthetic repetitive proteins, the production and use thereof

#41
20100196981
2010-08-05

Methods and systems for feedstock production from sewage and product manufacturing therefrom

#42
20100126383
2010-05-27

Starch Derivatives for Use in Paper Sizing and/or Coating Compositions

#43
20100098807
2010-04-22

Endoglucanase PPCE and cellulase preparation containing the same

#44
20090191609
2009-07-30

Compositions and methods for enhancing paper product degradation

#45
20090041896
2009-02-12

Xylanase, microorganisms producing it, DNA molecules, methods for preparing this xylanase and uses of the latter

#46
20090014140
2009-01-15

Paper making compositions and processes using protein particulate, colloidal pigment, and latex polymer combinations

#47
20080199938
2008-08-21

Cellulase resistant to surfactants

#48
20080093040
2008-04-24

Papermaking additive

#49
20080051539
2008-02-28

Curable composition

#50
20070265407
2007-11-15

Fine particle size lime slurries and their production

#51
20070240839
2007-10-18

Starch derivatives for use in paper sizing and/or coating compositions

#52
20070166805
2007-07-19

Use of GR2 proteins to modify cellulosic materials and to enhance enzymatic and chemical modification of cellulose

#53
20070151686
2007-07-05

Mixing of a protein hydrolysate derived from keratin-containing material in the wet-end of a papermaking process

#54
20060177921
2006-08-10

Method for removing unsaturated uronic acid in chemical pulp for papermaking

#55
20060169432
2006-08-03

Method of preparing modified cellulose pulp

#56
20060048908
2006-03-09

System for control of stickies in recovered and virgin paper processing

#57
20060035361
2006-02-16

Cellulase tolerant to surfactants

#58
20060020122
2006-01-26

Xylanase, microorganisms producing it, DNA molecules, methods for preparing this xylanase and uses of the latter

#59
20050272041
2005-12-08

Purified plant expansin proteins and DNA encoding same

#60
20050107256
2005-05-19

Carbohydrate binding domain containing fusion proteins for delivery of therapeutic and other agents, and compositions containing them

#61
13938845
2014-10-14

Enhancement of sheet dewatering using soy flour or soy protein