D21C9/1073 - CPC Classification Index

ClassID:

126408 ⎘

D21C9/1073 - 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; Bleaching ; Apparatus therefor with O

Recent Application in this class:

20250314012

2025-10-09

USE OF CELLULASE TO IMPROVE VISCOSITY CONTROL OF KRAFT DISSOLVING PULP

20210395465

2021-12-23

ABSORPTION AND FILTRATION MEDIA

20190257031

2019-08-22

Use of Cellulase to improve Viscosity Control of Dissolving Pulp

20160130751

2016-05-12

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