IPC Subgroup
C01B 17/4 Making shaped products, e.g. granules
Introduced: September 1968
Last revised: January 2006
Full Title
Sulfur; Compounds thereof > Alkali metal sulfides or polysulfides > Making shaped products, e.g. granules
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- INORGANIC CHEMISTRY
- Subclass:
- NON-METALLIC ELEMENTS; COMPOUNDS THEREOF