IP Library › Granted Patent US 4,840,748
Granted Patent Utility
US 4,840,748 · App. 07/062,290

Polyalkanolamines

Inventors: Thomas J. Bellos, Eva G. Lovett
Patented Case View Patent ↗
Granted: Jun 20, 1989 Filed: Jun 15, 1987
Inventors
Thomas J. Bellos
Eva G. Lovett
Assignee (at issue)
Petrolite Corporation

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Quick Facts
Patent No.
US 4,840,748
App. No.
07/062,290
Filed
1987-06-15
Granted
1989-06-20
Kind
A