IP Library › Granted Patent US 5,262,501
Granted Patent Utility
US 5,262,501 · App. 07/881,587

Mixtures of spiroheptadienes

Inventors: Sheik A. Zahir, Cecile Pasquier, Wolfgang Scharf, Maurice Dupre
Patented Case View Patent ↗
Granted: Nov 16, 1993 Filed: May 12, 1992
Inventors
Sheik A. Zahir
Cecile Pasquier
Wolfgang Scharf
Maurice Dupre
Assignee (at issue)
Ciga-Geigy Corporation

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Quick Facts
Patent No.
US 5,262,501
App. No.
07/881,587
Filed
1992-05-12
Granted
1993-11-16
Kind
A