IP Library › Granted Patent US 4,325,869
Granted Patent Utility
US 4,325,869 · App. 06/112,979

Novel dyes, their preparation and use

Inventors: Karl Seitz, Henri Riat, Karl Hoegerle
Patented Case View Patent ↗
Granted: Apr 20, 1982 Filed: Jan 17, 1980
Inventors
Karl Seitz
Henri Riat
Karl Hoegerle
Assignee (at issue)
Ciba-Geigy

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Quick Facts
Patent No.
US 4,325,869
App. No.
06/112,979
Filed
1980-01-17
Granted
1982-04-20
Kind
A