IP Library › Granted Patent US 5,084,068
Granted Patent Utility
US 5,084,068 · App. 07/484,583

Dyes containing two phthalocyanine groups linked by a radical containing two quaternized nitrogen atoms

Inventors: Helmut Moser, Roland Wald
Patented Case View Patent ↗
Granted: Jan 28, 1992 Filed: Feb 23, 1990
Inventors
Helmut Moser
Roland Wald
Assignee (at issue)
Sandoz AG

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Quick Facts
Patent No.
US 5,084,068
App. No.
07/484,583
Filed
1990-02-23
Granted
1992-01-28
Kind
A