ClassID:

126392

D21C9/083 - CPC Classification

Classification description:

After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere; Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with inorganic compounds

Recent Application in this class:
#1
20240200267
2024-06-20

METHOD AND DEVICE FOR STERILIZING RAW MATERIAL FOR PRODUCING AT LEAST PART OF A CONTAINER COMPRISING FIBERS, METHOD FOR PRODUCING A CONTAINER COMPRISING FIBERS USING THE STERILIZED RAW MATERIAL, AND CONTAINER TREATMENT PLANT

#2
20230332352
2023-10-19

SELECTIVELY DEPOLYMERIZING CELLULOSIC MATERIALS FOR USE AS THERMAL AND ACOUSTIC INSULATORS

#3
20220307198
2022-09-29

VOLATILE FATTY ACID CONTROL

#4
20200263356
2020-08-20

Selectively depolymerizing cellulosic materials for use as thermal and acoustic insulators

#5
20200149220
2020-05-14

METHOD FOR PRODUCING RECYCLED FIBERS, AND RECYCLED FIBERS

#6
20190127911
2019-05-02

Drying/transportation and releasing MFC

#7
20170174533
2017-06-22

Adsorbing and/or reduction of the amount of organic materials in an aqueous medium by using colloidal precipitated calcium carbonate

#8
20160326693
2016-11-10

Pile delignification

#9
20160298293
2016-10-13

Biomass treatment for hyperthermal hydrocatalytic conversion

#10
20160168796
2016-06-16

Process for making hydrogels from hemicaustic byproduct

#11
20160138219
2016-05-19

Compositions for bleaching pulps and their use

#12
20160130751
2016-05-12

Method for treating chemical pulps by treatment with ozone in the presence of magnesium ions

#13
20150345080
2015-12-03

Method of using an anti-soiling agent composition

#14
20150167239
2015-06-18

Biomass treatment for hydrothermal hydrocatalytic conversion

#15
20150053358
2015-02-26

Methods To Control Organic Contaminants In Fibers Using Zeolites

#16
20120325203
2012-12-27

Method for scale removal during a lignocellulosic conversion process

#17
20120279669
2012-11-08

Method of treating liquid flows at a chemical pulp mill

#18
20080289783
2008-11-27

Method of degumming cellulosic fibres