ClassID:

126930

D21H17/64 - CPC Classification

Classification description:

Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution; Inorganic compounds Alkaline compounds

Recent Application in this class:
#1
20260103843
2026-04-16

A METHOD FOR REDUCING THE LOAD OF MICROBIAL CONTAMINANTS IN A PULP STOCK COMPRISING A RECYCLED FIBER FRACTION

#2
20250347056
2025-11-13

Glycoxylated Starch Additive for Pulp Products

#3
20250242280
2025-07-31

EMULSION FOAM REDUCER FOR WET PROCESSING OF CELLULOSE OR WOOD-BASED PRODUCTS OR IN FOOD PROCESSING

#4
20250188681
2025-06-12

SIZING ADDITIVE PERFORMANCE USING A NOVEL STRENGTH COMPLEX

#5
20250122669
2025-04-17

BOARD, METHOD FOR MANUFACTURING A BOARD AND A PANEL COMPRISING SUCH BOARD MATERIAL

#6
20240417931
2024-12-19

COMPOSTABLE CELLULOSE-BASED PAPER FOR GAS BARRIER IN PACKAGING MATERIAL

#7
20240309295
2024-09-19

COMPOSITIONS AND METHODS OF USE FOR MACHINE WAREWASHING, BOTTLE WASHING, AND PULP ANTIFOAMING APPLICATIONS

#8
20240110338
2024-04-04

BOARD, METHOD FOR MANUFACTURING A BOARD AND A PANEL COMPRISING SUCH BOARD MATERIAL

#9
20240102246
2024-03-28

BOARD, METHOD FOR MANUFACTURING A BOARD AND A PANEL COMPRISING SUCH BOARD MATERIAL

#10
20240102245
2024-03-28

BOARD, METHOD FOR MANUFACTURING A BOARD AND A PANEL COMPRISING SUCH BOARD MATERIAL

#11
20240093431
2024-03-21

HIGH POROSITY GYPSUMBOARD PAPER AND/OR CARDBOARD INCLUDING WASTE PAPERS AS RAW MATERIAL

#12
20230304226
2023-09-28

GLYOXYLATED STARCH ADDITIVE FOR PULP PRODUCTS

#13
20230078831
2023-03-16

BOARD, METHOD FOR MANUFACTURING A BOARD AND A PANEL COMPRISING SUCH BOARD MATERIAL

#14
20220403601
2022-12-22

Compostable cellulose-based paper for gas barrier in packaging material

#15
20220264937
2022-08-25

Wrapper for aerosol delivery products and aerosol delivery products made therefrom

#16
20220136176
2022-05-05

Platelike thermal insulation material made from recycled and environmentally friendly raw materials

#17
20220002523
2022-01-06

PROCESS FOR THE PRODUCTION OF GEL-BASED COMPOSITE MATERIALS

#18
20210162322
2021-06-03

EMULSION FOAM REDUCER FOR WET PROCESSING OF CELLULOSE OR WOOD-BASED PRODUCTS OR IN FOOD PROCESSING

#19
20180230279
2018-08-16

Sheet, method for producing sheet, and laminate

#20
20180051416
2018-02-22

Method for producing paper

#21
20180021698
2018-01-25

Emulsion foam reducer for wet processing of cellulose or woodbased products or in food processing

#22
20170314204
2017-11-02

Method for producing paper

#23
20170152632
2017-06-01

Manufacturing feedstock from fruit by-product processing

#24
20170107669
2017-04-20

Substantially dry composite comprising a nanofibrillated polysaccharide

#25
20160208440
2016-07-21

Tobacco-derived cellulose material and products formed thereof

#26
20160194829
2016-07-07

PAPER PULPING PROCESS AND COMPOSITION

#27
20160168796
2016-06-16

Process for making hydrogels from hemicaustic byproduct

#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
20160040361
2016-02-11

Fiber loading improvements in papermaking

#30
20150361383
2015-12-17

Enhanced catalyst stability in activated peroxygen and/or alkaline detergent formulations

#31
20150299959
2015-10-22

Method for forming a subsequently drying a composite comprising a nanofibrillated polysaccharide

#32
20150259857
2015-09-17

Compositions comprising kaolin treated with a styrene-based polymer and related methods

#33
20150201671
2015-07-23

Cigarette paper additive having harm reduction function and application thereof

#34
20150167248
2015-06-18

Process for manufacturing paperboard

#35
20150158955
2015-06-11

Low energy method for the preparation of non-derivatized nanocellulose

#36
20150152601
2015-06-04

MODIFIED KRAFT FIBERS

#37
20150119838
2015-04-30

MODIFIED KRAFT FIBERS

#38
20150101773
2015-04-16

Fruit fiber article and manufacturing thereof

#39
20150101771
2015-04-16

Manufacturing feedstock from fruit by-product processing

#40
20150087030
2015-03-26

Pretreatment Composition for Biomass Conversion Process

#41
20150064331
2015-03-05

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

#42
20150040800
2015-02-12

Dispersed calcium carbonate containing material for an improved stability under alkaline conditions

#43
20140360693
2014-12-11

Fiber loading improvements in papermaking

#44
20140182801
2014-07-03

PULP COMPOSITION

#45
20130292078
2013-11-07

Process for inkjet paper and paper produced thereby

#46
20130276999
2013-10-24

Fruit fiber processing system and method

#47
20130131193
2013-05-23

Process for the production of gel-based composite materials

#48
20110146961
2011-06-23

Method of manufacturing total heat exchange element and total heat exchange element

#49
20100212853
2010-08-26

Fiber loading improvements in papermaking

#50
20100006246
2010-01-14

Process for increasing bulk of a fiber product, fiber product and use thereof

#51
20090165968
2009-07-02

Modified Kraft fibers

#52
20070000627
2007-01-04

Modified kraft fibers

#53
20060124264
2006-06-15

Wet strength and softness enhancement of paper products

#54
20060030629
2006-02-09

Emulsions for composite materials

#55
20050247422
2005-11-10

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

#56
20050016418
2005-01-27

Binder systems derived from amorphous silica and bases