IP Library › Granted Patent US 5,509,957
Granted Patent Utility
US 5,509,957 · App. 08/147,706

Ink compositions

Inventors: Vien Van Toan, Hugh Stephen Laver, David G. Leppard
Patented Case View Patent ↗
Granted: Apr 23, 1996 Filed: Nov 4, 1993
Inventors
Vien Van Toan
Hugh Stephen Laver
David G. Leppard
Assignee (at issue)
Ciba-Geigy

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Quick Facts
Patent No.
US 5,509,957
App. No.
08/147,706
Filed
1993-11-04
Granted
1996-04-23
Kind
A