IPC Subgroup
C03C 3/076 with 40% to 90% silica by weight
Introduced: January 1985
Last revised: January 2006
Full Title
Glass compositions > containing silica > with 40% to 90% silica by weight
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- GLASS; MINERAL OR SLAG WOOL
- Subclass:
- CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
7 direct subcodes
Child Classifications
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- C03C 3/078 containing an oxide of a divalent metal, e.g. an oxide of zinc
- C03C 3/083 containing aluminium oxide or an iron compound
- C03C 3/089 containing boron
- C03C 3/095 containing rare earths
- C03C 3/097 containing phosphorus, niobium or tantalum
- C03C 3/102 containing lead
- C03C 3/11 containing halogen or nitrogen