IPC Main Group
C01B 19/00 Selenium; Tellurium; Compounds thereof
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- INORGANIC CHEMISTRY
- Subclass:
- NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
Related Keywords
inorganic compounds thereofTELLURIUMinorganic compounds of TELLURIUM
2 direct subcodes
Child Classifications
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- C01B 19/02 Elemental selenium or tellurium
- C01B 19/04 Binary compounds