C09K 19/406 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

C09K 19/406

Full Title

Liquid crystal materials > characterised by the chemical structure of the liquid crystal components > containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen or sulfur, e.g. silicon, metals

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

This code exists only in CPC.

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