IP Library Granted Patent US 4,921,956
Granted Patent Utility
US 4,921,956 · App. 07/369,429

Hydrophilic modifier monomers

Inventors: Frank Molock, J. Richard Robertson, Kai C. Su
Patented Case View Patent ↗
Granted: May 1, 1990 Filed: Jun 21, 1989
Inventors
Frank Molock
J. Richard Robertson
Kai C. Su
Assignee (at issue)
Ciba-Geigy

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Quick Facts
Patent No.
US 4,921,956
App. No.
07/369,429
Filed
1989-06-21
Granted
1990-05-01
Kind
A