IP Library › Granted Patent US 4,480,105
Granted Patent Utility
US 4,480,105 · App. 06/373,573

3,5-Disubstituted phthalic acids and phthalic anhydrides

Inventors: Walter Fischer, Vratislav Kvita, Hans Zweifel
Patented Case View Patent ↗
Granted: Oct 30, 1984 Filed: Apr 30, 1982
Inventors
Walter Fischer
Vratislav Kvita
Hans Zweifel
Assignee (at issue)
Ciba-Geigy

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Quick Facts
Patent No.
US 4,480,105
App. No.
06/373,573
Filed
1982-04-30
Granted
1984-10-30
Kind
A