IP Library › Granted Patent US 4,429,142
Granted Patent Utility
US 4,429,142 · App. 06/281,981

Xanthene compounds

Inventors: Richard L. Cournoyer, James W. Foley
Patented Case View Patent ↗
Granted: Jan 31, 1984 Filed: Jul 10, 1981
Inventors
Richard L. Cournoyer
James W. Foley
Assignee (at issue)
Polaroid Corporation

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Quick Facts
Patent No.
US 4,429,142
App. No.
06/281,981
Filed
1981-07-10
Granted
1984-01-31
Kind
A