IPC Subgroup
C08B 3/26 Isolation of the cellulose ester
Introduced: September 1968
Last revised: January 2006
Full Title
Preparation of cellulose esters of organic acids > Post-esterification treatments, including purification > Isolation of the cellulose ester
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- Subclass:
- POLYSACCHARIDES; DERIVATIVES THEREOF
1 direct subcode
Child Classifications
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- C08B 3/28 by precipitation