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IPC Subgroup
C09K 9/02

Organic tenebrescent materials

Introduced: July 1974

Last revised: January 2006

Full Title

Tenebrescent materials, i.e. materials for which the range of wavelengths for energy absorption is changed as a result of excitation by some form of energy > Organic tenebrescent materials

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:
MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR