IP Library › Granted Patent US 5,091,543
Granted Patent Utility
US 5,091,543 · App. 07/597,978

Preparation of cyclic carbonates using alkylammonium and tertiary amine catalysts

Inventor: Roger A. Grey
Patented Case View Patent ↗
Granted: Feb 25, 1992 Filed: Oct 15, 1990
Inventor
Roger A. Grey
Assignee (at issue)
Arco Chemical Technology, L.P.

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Quick Facts
Patent No.
US 5,091,543
App. No.
07/597,978
Filed
1990-10-15
Granted
1992-02-25
Kind
A