ClassID:

126928

D21H17/62 - CPC Classification

Classification description:

Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution Rosin; Derivatives thereof

Recent Application in this class:
#1
20260049450
2026-02-19

COATED PAPERBOARD

#2
20240191013
2024-06-13

POLYMER DISPERSION, ITS USE AND METHOD FOR ITS MANUFACTURE

#3
20240110337
2024-04-04

Papermaking Method

#4
20230323601
2023-10-12

COATED CALCIUM CARBONATE FOR PITCH AND/OR STICKIES CONTROL

#5
20210363700
2021-11-25

STARCH COMPOSITE FOR BINDING FIBERS, FIBER STRUCTURE, AND FIBER STRUCTURE-MANUFACTURING APPARATUS

#6
20210148052
2021-05-20

Method of producing hydrophobic paper

#7
20200291581
2020-09-17

Polymer product for improving retention of hydrophobic internal sizing agents in manufacture of paper or board

#8
20200190745
2020-06-18

PAPER FOR VERTICAL FORM FILL SEAL MACHINE

#9
20200063358
2020-02-27

Composition of matter in a post-refiner blend zone

#10
20190301100
2019-10-03

Method for increasing dimensional stability of a paper or a board product

#11
20190161588
2019-05-30

LIGNOCELLULOSE COMPOSITE PRODUCTS

#12
20190047273
2019-02-14

Board with improved compression strength

#13
20190003125
2019-01-03

Sizing method for making paper and paper prepared thereof

#14
20190003119
2019-01-03

System and methods for reducing edge wicking of a paperboard comprising fruit fiber and compositions produced thereby

#15
20180327975
2018-11-15

Paper for vertical form fill seal machine

#16
20160348318
2016-12-01

Hydrophobic coated paper substrate for polymer emulsion topcoats and method for making same

#17
20160186381
2016-06-30

Sizing of paperboard

#18
20160039981
2016-02-11

Lignocellulose composite products

#19
20150305814
2015-10-29

Online treated sealable and peelable medical paper for medical sterilization packaging

#20
20140272213
2014-09-18

Packaging board, its use and products made thereof

#21
20120248366
2012-10-04

Sizing compositions

#22
20120125553
2012-05-24

Product for the sizing of paper

#23
20110303376
2011-12-15

IMIDIZED AND AMIDIZED ROSIN COMPOSITIONS FOR PAPER SIZES AND OTHER APPLICATIONS

#24
20100319864
2010-12-23

Multi-ply paper product with moisture strike through resistance and method of making the same

#25
20100122787
2010-05-20

APPLICATION OF CHEMICAL AIDS AFTER A HEADBOX OF A PAPERMAKING PROCESS

#26
20100116451
2010-05-13

Multi-ply paper product with moisture strike through resistance and method of making the same

#27
20090298975
2009-12-03

Synthetic Resins in Casein-Stabilized Rosin Size Emulsions

#28
20090236063
2009-09-24

FINELY CUT PAPER PRODUCT FOR USE IN MIXING WITH RESIN, ECOLOGICALLY SOUND RESIN COMPOSITION COMPRISING THE SAME, AND ECOLOGICALLY SOUND MOLDED RESIN ARTICLE USING THE COMPOSITION

#29
20080190578
2008-08-14

Alkanolamine-stabilized dispersed rosin sizing agents and their preparation

#30
20080190577
2008-08-14

Alkanolamine-stabilized dispersed rosin sizing agents and their preparation

#31
20080110587
2008-05-15

ROSIN-BASED RESINS FOR SURFACE SIZING APPLICATION

#32
20080087396
2008-04-17

Methods and compositions for papermaking

#33
20070131372
2007-06-14

Phyllosilicate Slurry For Papermaking

#34
20070131371
2007-06-14

Bentonite Slurry

#35
20070000630
2007-01-04

Crepe facilitating composition

#36
20060042767
2006-03-02

Multi-ply paper product with moisture strike through resistance and method of making the same

#37
20050090566
2005-04-28

Synthetic resins in casein-stabilized rosin size emulsions