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Patent applications and USPTO patent grants for Fries; Richard W..The latest application filed is for "catalyst component and system".
Patent | Date |
---|---|
Catalyst component and system Grant 6,395,669 - Sartain , et al. May 28, 2 | 2002-05-28 |
Modified silica based catalyst Grant 5,143,883 - Buehler , et al. * September 1, 1 | 1992-09-01 |
Modified silica based catalyst Grant 4,950,631 - Buehler , et al. August 21, 1 | 1990-08-21 |
Process for conversion of vinyl copolymers to vinylic alcohol copolymers by homogeneous reaction with organometallic compounds Grant 4,513,117 - Fries April 23, 1 | 1985-04-23 |
Supported polyethylene polymerization catalysts utilizing substituted polystyrene resins Grant 4,426,318 - Fries , et al. January 17, 1 | 1984-01-17 |
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