IP Library › Granted Patent US 4,649,221
Granted Patent Utility
US 4,649,221 · App. 06/714,649

Polyhydroxylamines

Inventors: Ramanathan Ravichandran, Roger F. Malherbe, Raymond Seltzer
Patented Case View Patent ↗
Granted: Mar 10, 1987 Filed: Mar 21, 1985
Inventors
Ramanathan Ravichandran
Roger F. Malherbe
Raymond Seltzer
Assignee (at issue)
Ciba-Geigy

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Quick Facts
Patent No.
US 4,649,221
App. No.
06/714,649
Filed
1985-03-21
Granted
1987-03-10
Kind
A