IPC Subgroup
C03C 3/062 with less than 40% silica by weight
Introduced: January 1985
Last revised: January 2006
Full Title
Glass compositions > containing silica > with less than 40% 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
2 direct subcodes
Child Classifications
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- C03C 3/064 containing boron
- C03C 3/07 containing lead