Inventor

KELSEY DONALD R

US43 patents

⚠️ This page may combine multiple inventors who share the name “KELSEY DONALD R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KELSEY DONALD R

SHELL OIL CO

Imido transition metal complex metathesis catalysts

Polymerization process employing mixture of Diels-Alder adducts of 4-vinylcyclohexene and cyclopentadiene

By product stream purification in the preparation of 1,3-propanediol-based polyesters

Catalyst system for olefin polymerization

Phenolic compounds

Polymerization of cyclic olefins

Cyclohexanenorbornane epoxy resin with curing agent

Catalyst system for olefin polymerization

Epoxy resins with cyclohexenenorbornene moieties

Catalysts for ring-opening, metathesis polymerization of cyclic olefins

Transition metal hydrides as co-catalysts for olefin polymerization

Methathesis polymerizable adducts of a divinylcyclohydrocarbon and cyclopentadiene

Polymerization of cyclic olefins

Polymerization of cyclic olefins

Phenolic allyl ethers

Phenolic compounds

Copper hydrides as co-catalysts for olefin polymerization

In-mold polmerization of cyclic olefins with borohydride cocatalyst

Polymerization process

Phenolic allyl ethers

Cyanate resins

Diaryl carbinol metathesis catalysts for ring-opening polymerization of cyclic olefins

Polymerization of cyclic olefins

AMOCO CORP

Modified poly(aryl ether ketones) derived from biphenol

Block polymers containing a poly(aryl ether ketone) and methods for their production

Substantially linear monomeric composition and liquid crystal polymeric compositions derived therefrom

Preparation of poly(aryl ether ketones) in the presence of an alkali, alkaline earth of lanthanide metal salt

Process for preparing poly(aryl ether ketone)s

Method for converting polyketals to polyaryletherketones in the presence of a metal salt

Modified poly(aryl ether ketones) derived from biphenol

2,2-bis-phenol dioxolanes monomers

Preparing poly(aryl ethers) using alkaline earth metal carbonates, organic acid salts, and optionally copper compounds, as catalysts

Block polymers containing a poly(aryl ether ketone) and methods for their production

Monomers and polyketal polymers from such monomers

Monomers and polyketal polymers

Co-reagent stabilization of poly(aryl ether sulfones) using sodium, lithium, alkaline earth or lanthanide metal salts

Production of polyarylene ether from activated dihalo benzenoid monomer, dihydroxy benzenoid monomer and Bis(hydroxyphenyl) monomer

Production of aromatic amorphous thermoplastic poly aryl ether from aliphatic-aromatic diol and wholly aromatic diol

UNION CARBIDE CORP

Process for preparing sulfonated poly(aryl ether) resins

Process for flocculating an aqueous suspension of particles with quaternary ammonium graft copolymers

Quaternary ammonium graft copolymers for use as flocculants and method of preparing same

Preparation of di-tertiary peroxides

(unassigned)

Purification of 1,3-propanediol