with 40% to 90% silica, by weight

Introduced: January 1985

Title

Titles differ between systems:

IPC: with 40% to 90% silica by weight

CPC: with 40% to 90% silica, by weight

Full titles differ between systems:

IPC:

Glass compositions > containing silica > with 40% to 90% silica by weight

CPC:

Glass compositions > containing silica > with 40% to 90% silica, by weight

IPC and CPC are identically structured here. All 7 subcodes exist in both systems.

IPC defines codes here since 1985.

Navigate with arrow keys, Enter to open

C03C 3/078 containing an oxide of a divalent metal, e.g. an oxide of zinc since 1985 IPC+CPC Available in IPC and CPC
C03C 3/083 containing aluminium oxide or an iron compound since 1985 IPC+CPC Available in IPC and CPC
C03C 3/089 containing boron since 1985 IPC+CPC Available in IPC and CPC
C03C 3/095 containing rare earths since 1985 IPC+CPC Available in IPC and CPC
C03C 3/097 containing phosphorus, niobium or tantalum since 1985 IPC+CPC Available in IPC and CPC
C03C 3/102 containing lead since 1985 IPC+CPC Available in IPC and CPC
C03C 3/11 containing halogen or nitrogen since 1985 +1 CPC IPC+CPC Available in IPC and CPC

Class C03,2013–2023, worldwide · Source: EPO PATSTAT

Class C03,2013–2023, worldwide · Source: EPO PATSTAT