IP Library › Granted Patent US 5,189,154
Granted Patent Utility
US 5,189,154 · App. 07/720,296

Anionic phthalocyanine compounds

Inventors: Peter Gregory, Ronald W. Kenyon, Christine Millard
Patented Case View Patent ↗
Granted: Feb 23, 1993 Filed: Jun 28, 1991
Inventors
Peter Gregory
Ronald W. Kenyon
Christine Millard
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES LIMITED

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Quick Facts
Patent No.
US 5,189,154
App. No.
07/720,296
Filed
1991-06-28
Granted
1993-02-23
Kind
A