C03C 13/001 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

C03C 13/001

Full Title

Fibre or filament compositions (manufacture of fibres or filaments C03B37/00)

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.