IPC Subgroup
C08B 3/02 Catalysts used for the esterification
Introduced: September 1968
Last revised: January 2006
Full Title
Preparation of cellulose esters of organic acids > Catalysts used for the esterification
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- Subclass:
- POLYSACCHARIDES; DERIVATIVES THEREOF