ClassID:

126360

D21C3/228 - CPC Classification

Classification description:

Pulping cellulose-containing materials; Other features of pulping processes Automation of the pulping processes

Recent Application in this class:
#1
20250361677
2025-11-27

Method for controlling a process in making pulp, paper, or board

#2
20240410109
2024-12-12

A METHOD FOR CHEMICAL PULP PRODUCTION IN A MULTI-STAGE PROCESS

#3
20210279390
2021-09-09

Method for obtaining information on quality of combustion of a liquor in a chemical recovery boiler and a method for controlling a chemical recovery boiler

#4
20210148047
2021-05-20

Predictive control system and method for brown washing treatment in pulp mills

#5
20190276983
2019-09-12

METHOD AND SYSTEM FOR PROVIDING CUSTOMIZED BIOPROCESSING CONDITIONS FOR FEEDSTOCK

#6
20170342659
2017-11-30

Method and apparatus for controlling a cellulosic pulp process

#7
20120031577
2012-02-09

Fluorometric method for monitoring surface additives in a papermaking process

#8
20090250180
2009-10-08

Method for Controlling a Pulping Process

#9
20090126888
2009-05-21

FLUOROMETRIC METHOD FOR MONITORING SURFACE ADDITIVES IN A PAPERMAKING PROCESS

#10
20090078386
2009-03-26

Electrode

#11
20060196622
2006-09-07

Method for determining chemical pulp kappa number with visible-near infrared spectrometry

#12
20060151135
2006-07-13

Method to determine pulping yield

#13
20060070709
2006-04-06

Method for the continuous cooking of wood raw material for cellulose pulp

#14
20050252625
2005-11-17

Process for the manufacturing of cellulose pulp

#15
20050034824
2005-02-17

System and method for controlling a processor including a digester utilizing time-based assessments

#16
19263977
2026-02-10

Process for producing fiber-reinforced bio-composites incorporating agricultural waste fibers, bio-based binders, and carbon nanomaterials

#17
18936016
2025-08-19

Bio-composite material integrating natural fibers with bio-binders and a process for its preparation