Inventor

CROWTHER DONNA J

US102 patents

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

CROWTHER DONNA J

EXXONMOBIL CHEM PATENTS INC

High vinyl terminated propylene based oligomers

Catalyst system and process for olefin polymerization

Catalyst system and process for olefin polymerization

Olefin copolymerization process with bridged hafnocenes

Hydrosilation of vinyl-terminated macromonomers

Vinyl terminated higher olefin copolymers and methods to produce thereof

High temperature olefin polymerization process

Method for increasing diene conversion in EPDM type polymerizations

High temperature olefin polymerization process

Catalysts and methods of use thereof to produce vinyl terminated polymers

Olefin polymerization catalysts, their synthesis and use

Vinyl terminated higher olefin polymers and methods to produce thereof

Catalyst system, process for olefin polymerization, and polymer compositions produced therefrom

Enhanced catalyst performance for production of vinyl terminated propylene and ethylene/propylene macromers

Ethylene copolymerization process

UNIVATION TECH LLC

Polymerization process for producing easier processing polymers

Mixed catalysts and their use in a polymerization process

Mixed catalysts for use in a polymerization process

Polymerization process for producing easier processing polymers

Catalyst compounds, catalyst systems thereof and their use in a polymerization process

Noncoordinating anions for olefin polymerization

Germanium bridged metallocenes producing polymers with increased melt strength

Catalysts for control of long chain branching

CROWTHER DONNA J

Enhanced catalyst performance for production of vinyl terminated propylene and ethylene/propylene macromers

Hydrosilyation of vinyl macromers with metallocenes

Block copolymers from silylated vinyl terminated macromers

Catalyst system, process for olefin polymerization, and polymer compositions produced therefrom

Vinyl terminated higher olefin copolymers and methods to produce thereof

Catalysts and methods of use thereof to produce vinyl terminated polymers

Polyethylene and process for production thereof

EXXONMOBIL CHEMICAL PATENTS INC

Supported catalyst systems and processes for use thereof

Cyclic olefin copolymers and methods of making them

Ethylene copolymers, methods for their production, and use

Branched polyethylenes by hydrosilation grafting to improve processability of polyethylene

Metallocene-catalyzed polyalpha-olefins

EXXON CHEMICAL PATENTS INC

Transition metal olefin polymerization catalysts

Transition metal olefin polymerization processes

EXXON MOBIL CHEM PATENTS INC

Method for making polymer blends by using series reactors

Polymerization process for olefin copolymers using bridged hafnocene compounds

BRANT PATRICK

Functionalized high vinyl terminated propylene based oligomers

Polymacromonomer and process for production thereof

HAGADORN JOHN R

Amine functionalized polyolefin and methods for preparation thereof

Olefin functionalization by metathesis reaction

KOLB RAINER

Ethylene copolymers, methods for their production, and use

Lubricating oil compositions and method for making them

HOLTCAMP MATTHEW W

Vinyl terminated higher olefin polymers and methods to produce thereof

NG MAN KIT

Polyalkylene epoxy polyamine additives for fouling mitigation in hydrocarbon refining processes

EXXONMOBIL RES & ENG CO

Functionalized polymers containing polyamine succinimide for antifouling in hydrocarbon refining processes

NG MANKIT

Ring opening cross metathesis of vinyl terminated polymers and their functionalized derivatives for fouling mitigation in hydrocarbon refining processes

UNIV IOWA RES FOUND

Cyclopentadienyl dicarbollide complexes of titanium, zirconium and hafnium