IPC Main Group
C09H 1/00 Pretreatment of collagen-containing raw materials for the manufacture of glue
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- Subclass:
- PREPARATION OF GLUE OR GELATINE
2 direct subcodes
Child Classifications
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