IPC Subgroup
C08B 5/04 Post-esterification treatments, including purification
Introduced: September 1968
Last revised: January 2006
Full Title
Preparation of cellulose esters of inorganic acids > Cellulose nitrate > Post-esterification treatments, including purification
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- Subclass:
- POLYSACCHARIDES; DERIVATIVES THEREOF
4 direct subcodes
Child Classifications
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