IP Library › Granted Patent US 4,680,385
Granted Patent Utility
US 4,680,385 · App. 06/717,733

Metal dye complexes containing an azo or azomethine dye and a colorless ligand with the C.dbd.N--N.dbd.C group

Inventor: Gerhard Back
Patented Case View Patent ↗
Granted: Jul 14, 1987 Filed: Mar 28, 1985
Inventor
Gerhard Back
Assignee (at issue)
Ciba-Geigy

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Quick Facts
Patent No.
US 4,680,385
App. No.
06/717,733
Filed
1985-03-28
Granted
1987-07-14
Kind
A