Kelsey; Donald R.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kelsey; Donald R..The latest application filed is for "by product stream purification in the preparation of 1,3-propanediol-based polyesters".

Company Profile

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Kelsey; Donald R. - Fulshear TX
Kelsey; Donald R. - Somerville NJ
Kelsey; Donald R. - Hillsborough NJ

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
By product stream purification in the preparation of 1,3-propanediol-based polyesters Grant 5,459,229 - Kelsey , et al. October 17, 1	1995-10-17
Phenolic compounds Grant 5,406,003 - Wang , et al. April 11, 1	1995-04-11
Imido transition metal complex metathesis catalysts Grant 5,405,924 - Kelsey April 11, 1	1995-04-11
Polymerization of cyclic olefins Grant 5,369,195 - Kelsey November 29, 1	1994-11-29
Cyclohexanenorbornane epoxy resin with curing agent Grant 5,359,023 - Wang , et al. October 25, 1	1994-10-25
Catalyst system for olefin polymerization Grant 5,312,794 - Kelsey May 17, 1	1994-05-17
Transition metal hydrides as co-catalysts for olefin polymerization Grant 5,276,119 - Kelsey January 4, 1	1994-01-04
In-mold polmerization of cyclic olefins with borohydride cocatalyst Grant 5,147,950 - Kelsey September 15, 1	1992-09-15
Block polymers containing a poly(aryl ether ketone) and methods for their production Grant 4,891,167 - Clendinning , et al. January 2, 1	1990-01-02
Substantially linear monomeric composition and liquid crystal polymeric compositions derived therefrom Grant 4,841,009 - Kelsey June 20, 1	1989-06-20
Block polymers containing a poly(aryl ether ketone) and methods for their production Grant 4,774,296 - Clendinning , et al. September 27, 1	1988-09-27
Preparation of poly(aryl ether ketones) in the presence of an alkali, alkaline earth of lanthanide metal salt Grant 4,774,311 - Kelsey September 27, 1	1988-09-27
Process for flocculating an aqueous suspension of particles with quaternary ammonium graft copolymers Grant 4,305,829 - Kelsey , et al. December 15, 1	1981-12-15

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