CPC Subgroup
C09K 19/608 Full Title
Liquid crystal materials > characterised by components which are not liquid crystals, e.g. additives > Pleochroic dyes
Search Classifications
Search for IPC and CPC classification codes or keywords
C09K 19/608 Liquid crystal materials > characterised by components which are not liquid crystals, e.g. additives > Pleochroic dyes