IPC Subgroup
C04B 35/5 based on rare earth compounds
Introduced: September 1968
Last revised: January 2006
Full Title
Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products > based on rare earth compounds
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- Subclass:
- LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
1 direct subcode
Child Classifications
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- C04B 35/505 based on yttrium oxide