ClassID:

127018

D21H21/50 - 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 form

Sub-classes:
Recent Application in this class:
#1
20240191430
2024-06-13

METHOD OF MAKING FIRE RETARDANT MATERIALS AND RELATED PRODUCTS

#2
20230167611
2023-06-01

FIBROUS STRUCTURE-CONTAINING ARTICLES

#3
20220364308
2022-11-17

Fast-Wetting Coform Fibrous Structures

#4
20210277606
2021-09-09

Fibrous structure-containing articles

#5
20210254287
2021-08-19

WRAPPER COMPRISING METAL PARTICLES

#6
20210108013
2021-04-15

WATER-SOLUBLE COPOLYMERS

#7
20210047782
2021-02-18

Fast-wetting coform fibrous structures

#8
20200248409
2020-08-06

Dry polymer application method

#9
20190338467
2019-11-07

Fibrous structure containing articles

#10
20190284763
2019-09-19

Coating composition and coated paper and coated paperboard

#11
20190201858
2019-07-04

Surfactant compositions and use thereof as inverter of water-in-oil emulsion polymers

#12
20190024318
2019-01-24

Process for production of film comprising microfibrillated cellulose

#13
20180327972
2018-11-15

Boronic acid containing polymers for papermaking process

#14
20180169892
2018-06-21

Sheet manufacturing apparatus, sheet manufacturing method, resin powder, and sheet

#15
20180105999
2018-04-19

Fibrous structure-containing articles

#16
20180105991
2018-04-19

Fibrous structure-containing articles

#17
20170037577
2017-02-09

Coating composition and coated paper and coated paperboard

#18
20160047088
2016-02-18

Method for coloration and treatment of substrates

#19
20150327593
2015-11-19

Cigarette paper with filler material with special particle size distribution

#20
20130288030
2013-10-31

Coated paper having a coating structure with controlled distribution of latex and method for preparing the same

#21
20130040121
2013-02-14

Thermally Expandable Crimped Hollow Fibers and Methods of Using Same

#22
20120107533
2012-05-03

COATED SUBSTRATE AND METHOD FOR THE PREPARATION THEREOF