FI (Note)/(Index) list

Descriptions for D21C and notes/indexes are displayed on this screen.

D21C PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE- CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR

Subclass indexes

PRODUCTION OF CELLULOSE

Pretreatment of raw material

1/00

Pulping

3/00

Other processes

5/00

Digesters

7/00

AFTER-TREATMENT

9/00

REGENERATION OF PULP LIQUORS

11/00