D21C9/1047 - CPC Classification Index

ClassID:

126403 ⎘

D21C9/1047 - 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; Other features in bleaching processes Conserving the bleached pulp

Recent Application in this class:

20230313455

PROCESS FOR PRODUCTION OF CELLULOSE NANOFIBERS FROM MISCANTHUS X. GIGANTEUS AND COMPOSITES THEREFROM

20110303372

Process for reducing specific energy demand during refining of thermomechanical and chemi-thermomechanical pulp

20060207732

Methods for improving discoloration resistance of pulp and pulp improved in discoloration resistance

20050269049

Light-stable and process-stable lignocellulosic materials and their production

20050028953

Methods for making carboxylated pulp fibers

20050028952

Apparatus for making carboxylated pulp fibers