DIFF Subgroup
C09K 19/54 Additives having no specific mesophase
Introduced: January 1985
Full Title
Liquid crystal materials > characterised by components which are not liquid crystals, e.g. additives > Additives having no specific mesophase
Of 2 combined children, 1 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 1985.
Child Classifications
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