IPC Main Group
C09B 23/00 Methine or polymethine dyes, e.g. cyanine dyes
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- Subclass:
- ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; MORDANTS; LAKES
Related Keywords
CYANINE dyesMETHINE dyesPOLYMETHINE dyes
4 direct subcodes
Child Classifications
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- C09B 23/01 characterised by the methine chain
- C09B 23/12 the polymethine chain being branched
- C09B 23/14 Styryl dyes
- C09B 23/16 the polymethine chain containing hetero atoms