IP Library › Granted Patent US 4,766,211
Granted Patent Utility
US 4,766,211 · App. 06/901,090

Chromogenic quinazolines

Inventors: Rudolf Zink, Ian J. Fletcher
Patented Case View Patent ↗
Granted: Aug 23, 1988 Filed: Aug 27, 1986
Inventors
Rudolf Zink
Ian J. Fletcher
Assignee (at issue)
Ciba-Geigy

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Quick Facts
Patent No.
US 4,766,211
App. No.
06/901,090
Filed
1986-08-27
Granted
1988-08-23
Kind
A