IP Library › Granted Patent US 5,143,883
Granted Patent Utility
US 5,143,883 · App. 07/590,992

Modified silica based catalyst

Inventors: Charles K. Buehler, Richard W. Fries, Thomas J. Pullukat
Patented Case View Patent ↗
Granted: Sep 1, 1992 Filed: Oct 1, 1990
Inventors
Charles K. Buehler
Richard W. Fries
Thomas J. Pullukat
Assignee (at issue)
Quantum Chemical Corporation

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Quick Facts
Patent No.
US 5,143,883
App. No.
07/590,992
Filed
1990-10-01
Granted
1992-09-01
Kind
A