ClassID:

126387

D21C9/008 - 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 Prevention of corrosion or formation of deposits on pulp-treating equipment

Recent Application in this class:
#1
20260117460
2026-04-30

COMPOSITIONS AND METHODS FOR THE REMOVAL OF SCALE BUILD-UP IN PULP AND PAPER PROCESS

#2
20240150961
2024-05-09

BLACK LIQUOR VISCOSITY REDUCING AND ANTI-SCALE AGENT

#3
20220325473
2022-10-13

Method for suppressing sedimentation of suspended substance, method for suppressing pitch trouble, and method for detecting sedimentation of suspended substance

#4
20200299903
2020-09-24

Method for predicting or controlling microbial status of a paper or board making process

#5
20180363249
2018-12-20

Methods to reduce rewinder breaks during paper production from recycled paper furnish

#6
20180155872
2018-06-07

Method of improving paper machine forming wire, felt and woven dryer belt performance by the application of peroxide containing solutions

#7
20170335514
2017-11-23

Method for controlling the deposition of stickies in pulping and papermaking processes

#8
20120325203
2012-12-27

Method for scale removal during a lignocellulosic conversion process

#9
20120160779
2012-06-28

Control of development of biofilms in industrial process water

#10
20120160438
2012-06-28

Composition for inhibiting calcium salt scale formation

#11
20110277948
2011-11-17

Method of monitoring and inhibiting scale deposition in pulp mill evaporators and concentrators

#12
20110229586
2011-09-22

Control of development of biofilms in industrial process water

#13
20100096340
2010-04-22

Control of development of biofilms in industrial process water

#14
20090050575
2009-02-26

Control of development of biofilms in industrial process water

#15
20080277083
2008-11-13

Method of monitoring and inhibiting scale deposition in pulp mill evaporators and concentrators

#16
20080236770
2008-10-02

Rapid fatty acid assay for use in pulp pitch control

#17
20080029231
2008-02-07

Hydrophobically modifed poly[ethylene glycol] for use in pitch and stickies control in pulp and papermaking processes

#18
20060160166
2006-07-20

Rapid triglyceride assay for use in pulp pitch control

#19
20060138058
2006-06-29

Control of development of biofilms in industrial process water