IP Library › Granted Patent US 4,680,384
Granted Patent Utility
US 4,680,384 · App. 06/632,558

Dyes, their preparation and use

Inventors: Karl Seitz, Henri Riat, Karl Hoegerle
Patented Case View Patent ↗
Granted: Jul 14, 1987 Filed: Jul 19, 1984
Inventors
Karl Seitz
Henri Riat
Karl Hoegerle
Assignee (at issue)
Ciba-Geigy

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Quick Facts
Patent No.
US 4,680,384
App. No.
06/632,558
Filed
1984-07-19
Granted
1987-07-14
Kind
A