Patents-Review.com
ClassID:

127009 ⎘

D21H21/32 - 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 characterised by function or properties in or on the paper Bleaching agents

Recent Application in this class:
#1
20250257527
2025-08-14

SULFITE-BASED PROCESSES FOR PRODUCING NANOCELLULOSE, AND COMPOSITIONS AND PRODUCTS PRODUCED THEREFROM

 #2
20230332358
2023-10-19

Oxidized cellulose materials

 #3
20230009849
2023-01-12

ODOR CONTROL PULP COMPOSITION

 #4
20220297335
2022-09-22

PAPERBOARD STRUCTURES AND METHODS FOR MANUFACTURING PAPERBOARD STRUCTURES

 #5
20220034038
2022-02-03

Sulfite-based processes for producing nanocellulose, and compositions and products produced therefrom

 #6
20210284935
2021-09-16

Enhanced peroxygen stability in multi-dispense TAED-containing peroxygen solid

 #7
20210262165
2021-08-26

LIGNO CELLULOSIC MATERIALS AND THE PRODUCTS MADE THEREFROM

 #8
20210108375
2021-04-15

OXIDIZED CELLULOSE CONTAINING PACKAGING MATERIALS

 #9
20210032812
2021-02-04

BLEACHING AND SHIVE REDUCTION PROCESS FOR NON-WOOD FIBERS

 #10
20200385928
2020-12-10

Odor control pulp composition

 #11
20200331895
2020-10-22

Optical brightener for whitening paper

 #12
20200154649
2020-05-21

Light-selective mulch

 #13
20190271114
2019-09-05

SULFITE-BASED PROCESSES FOR PRODUCING NANOCELLULOSE, AND COMPOSITIONS AND PRODUCTS PRODUCED THEREFROM

 #14
20190226153
2019-07-25

Oxidized cellulose containing packaging materials

 #15
20190203159
2019-07-04

Enhanced peroxygen stability in multi-dispense TAED-containing peroxygen solid

 #16
20180347110
2018-12-06

Fiber blend having high yield and enhanced pulp performance and method for making same

 #17
20180274172
2018-09-27

Odor control pulp composition

 #18
20180245285
2018-08-30

METHODS OF PRODUCING A PAPER PRODUCT

 #19
20170306557
2017-10-26

Methods of producing a paper product

 #20
20170198439
2017-07-13

Use of surfactant to treat pulp and improve the incorporation of kraft pulp into fiber for the production of viscose and other secondary fiber products

 #21
20170172152
2017-06-22

Ligno cellulosic materials and the products made therefrom

 #22
20170152632
2017-06-01

Manufacturing feedstock from fruit by-product processing

 #23
20170096774
2017-04-06

Measurement apparatus and method

 #24
20160333529
2016-11-17

HIGH YIELD AND ENHANCED PERFORMANCE FIBER

 #25
20160289606
2016-10-06

Enhanced peroxygen stability in multi-dispense TAED-containing peroxygen solid

 #26
20160281298
2016-09-29

SULFITE-BASED PROCESSES FOR PRODUCING NANOCELLULOSE, AND COMPOSITIONS AND PRODUCTS PRODUCED THEREFROM

 #27
20160168791
2016-06-16

Methods of producing a paper product

 #28
20160040362
2016-02-11

Method of making a highly functional, low viscosity kraft fiber using an acidic bleaching sequence and a fiber made by the process

 #29
20160002858
2016-01-07

METHODS FOR THE OXYGEN-BASED DELIGNIFICATION OF PULP

 #30
20150361385
2015-12-17

Enhanced catalyst stability for alkaline detergent formulations

 #31
20150337496
2015-11-26

Bleaching and shive reduction process for non-wood fibers

 #32
20150240425
2015-08-27

LACCASE VARIANTS

 #33
20150225901
2015-08-13

Method of producing dissolving pulp, dissolving pulp and use of method

 #34
20150211188
2015-07-30

High yield and enhanced performance fiber

 #35
20150211184
2015-07-30

Fiber blend having high yield and enhanced pulp performance and method for making same

 #36
20150184346
2015-07-02

SULFONATION OF PULP PRODUCED BY ALKALI PULPING PROCESS

 #37
20150184345
2015-07-02

Sulfite-based processes for producing nanocellulose, and compositions and products produced therefrom

 #38
20150152601
2015-06-04

MODIFIED KRAFT FIBERS

 #39
20150152600
2015-06-04

Method for bleaching pulp

 #40
20150136344
2015-05-21

Product and processes from an integrated forest biorefinery

 #41
20150126728
2015-05-07

Use of surfactant to treat pulp and improve the incorporation of kraft pulp into fiber for the production of viscose and other secondary fiber products

 #42
20150119838
2015-04-30

MODIFIED KRAFT FIBERS

 #43
20150101773
2015-04-16

Fruit fiber article and manufacturing thereof

 #44
20150101771
2015-04-16

Manufacturing feedstock from fruit by-product processing

 #45
20150064331
2015-03-05

METHOD AND A SYSTEM FOR ISOLATING XYLAN FROM PLANT MATERIAL, AS WELL AS XYLAN

 #46
20150041087
2015-02-12

ARTICLES OF MANUFACTURE MADE FROM PULP COMPOSITION

 #47
20150041085
2015-02-12

PULP COMPOSITION

 #48
20140352905
2014-12-04

Paper pulping process and composition

 #49
20130276999
2013-10-24

Fruit fiber processing system and method

 #50
20130206350
2013-08-15

Method for improving brightness in bleached pulp

 #51
20130066291
2013-03-14

Ligno cellulosic materials and the products made therefrom

 #52
20130000855
2013-01-03

METHOD FOR MANUFACTURING NANOFIBRILLATED CELLULOSE PULP AND USE OF THE PULP IN PAPER MANUFACTURING OR IN NANOFIBRILLATED CELLULOSE COMPOSITES

 #53
20120211185
2012-08-23

Compositions and processes for paper

 #54
20110287275
2011-11-24

Ligno cellulosic materials and the products made therefrom

 #55
20110174455
2011-07-21

Compositions and processes for paper production

 #56
20110151151
2011-06-23

METHOD OF PRODUCING A PRINT MEDIUM

 #57
20110091934
2011-04-21

Laccase variants

 #58
20110027545
2011-02-03

Hygiene or wiping product comprising at least one patterned ply and method for patterning the ply

 #59
20100269992
2010-10-28

Sulfonation of pulp produced by alkali pulping process

 #60
20100263818
2010-10-21

Retention systems and methods for papermaking

 #61
20100252213
2010-10-07

PULP AND PAPER HAVING INCREASED BRIGHTNESS

 #62
20100181036
2010-07-22

Process for manufacturing a sheet material

 #63
20090205795
2009-08-20

Combined process of peroxide bleaching of wood pulps and addition of optical brightening agents

 #64
20090165968
2009-07-02

Modified Kraft fibers

 #65
20090130416
2009-05-21

Highly Filled Fibrous Veil

 #66
20080308239
2008-12-18

FIBER BLEND HAVING HIGH YIELD AND ENHANCED PULP PERFORMANCE AND METHOD FOR MAKING SAME

 #67
20080017337
2008-01-24

Compositions and processes for paper production

 #68
20080014814
2008-01-17

Highly filled fibrous veil

 #69
20070193707
2007-08-23

Method for treating kraft pulp with optical brighteners after chlorine bleaching to increase brightness

 #70
20070079944
2007-04-12

Product and processes from an integrated forest biorefinery

 #71
20070062653
2007-03-22

Methods for enhancing brightness and resistance to thermal yellowing of bleached kraft pulp and paper

 #72
20070000627
2007-01-04

Modified kraft fibers

 #73
20060260773
2006-11-23

Lignocellulosic materials and the products made therefrom

 #74
20050229925
2005-10-20

Method for the treatment of starch