IP Library › Granted Patent US 4,216,320
Granted Patent Utility
US 4,216,320 · App. 05/950,771

Quinoxaline bleach catalysts

Inventors: Gerald Jan, Remon Hagen, John Lenoir
Patented Case View Patent ↗
Granted: Aug 5, 1980 Filed: Oct 12, 1978
Inventors
Gerald Jan
Remon Hagen
John Lenoir
Assignee (at issue)
Ciba-Geigy

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Quick Facts
Patent No.
US 4,216,320
App. No.
05/950,771
Filed
1978-10-12
Granted
1980-08-05
Kind
A