IP Library › Granted Patent US 4,540,518
Granted Patent Utility
US 4,540,518 · App. 06/431,457

Zinc and aluminum phthalocyanines

Inventors: Claude Eckhardt, Gerd Holzle
Patented Case View Patent ↗
Granted: Sep 10, 1985 Filed: Sep 30, 1982
Inventors
Claude Eckhardt
Gerd Holzle
Assignee (at issue)
Ciba-Geigy

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Quick Facts
Patent No.
US 4,540,518
App. No.
06/431,457
Filed
1982-09-30
Granted
1985-09-10
Kind
A