IP Library Granted Patent US 5,281,263
Granted Patent Utility
US 5,281,263 · App. 07/822,909

Azo dyes containing a carboxy group

Inventors: Peter Gregory, Prahalad Manibhai Mistry
Patented Case View Patent ↗
Granted: Jan 25, 1994 Filed: Jan 21, 1992
Inventors
Peter Gregory
Prahalad Manibhai Mistry
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES LIMITED

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Quick Facts
Patent No.
US 5,281,263
App. No.
07/822,909
Filed
1992-01-21
Granted
1994-01-25
Kind
A