Inventor

SCHULZ DONALD N

58 patents

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

SCHULZ DONALD N

EXXON RESEARCH ENGINEERING CO

Terpolymers of acrylamide, alkylacrylamide and betaine monomers

Terpolymers of acrylamide, alkylacrylamide and betaine monomers

Catalyst complexes and polymers therefrom

Betaine copolymers-viscosifiers for water and brine

Terpolymers of acrylamide, alkyl polyetheroxyacrylate and betaine monomers

Enhanced oil recovery with hydrophobically associating polymers containing N-vinyl-pyrrolidone functionality

Tetrapolymers of N-vinyl pyrrolidone/acrylamide/salt of acrylic acid/N-alkyl acrylamide

Betaine copolymers-viscosifiers for water and brine

Drag reduction agent for hydrocarbon liquid

Fluid loss control in oil field cements

Process for the formation of novel acrylamide acrylate copolymers

Method of increasing viscosity of an aqueous solution with a sulfo betaine polymer

Cyclopolymerizable sulfobetaine monomer

Novel acrylamide acrylate copolymers

Terpolymers of acrylamide, alkylacrylamide and betaine monomers

Acrylamide acrylate copolymers

Cyclopolymerizable sulfobetaine monomer

Acid base interacting polymer solutions

Drag reduction agent

Paraffin-soluble polymers and copolymers

Hydrogenation process for unsaturated homo and copolymers

Drag reduction agent

Antimisting system for hydrocarbon fluids

Polymeric amides for multifunctional VI improvers

Emulsion-type adhesive compositions

Method for controlling viscosity of organic liquid and compositions

Method for controlling viscosity of organic liquids and compositions

Drag reduction agents for hydrocarbon solutions

Acid base interacting polymer solutions

Process for the formation of novel acrylamide acrylate copolymers

Antimisting system for hydrocarbon fluids

FIRESTONE TIRE & RUBBER CO

Catalyst system containing an anionic initiator based on lithium and phosphine oxide modifier

Process for production of polymers having increased 1,2-microstructure

Polyphosphazene polymers containing monoetheroxy and polyetheroxy substituents

Process for polymerizing conjugated dienes

Dehydrocarbyl magnesium and an alkali metal compound catalyst composition for polymerizing conjugated dienes

Thermally reversible copolymers and process for the preparation thereof

Thermally reversible copolymers and process for the preparation thereof

Graft copolymers containing polyoxazoline and polyoxazine, and the preparation thereof

Process for preparing poly(organophosphazenes) from soluble or gelled poly(dichlorophosphazenes)

Polyphosphazene polymers containing substituents derived from thienyl alcohols

Thermally reversible copolymers and process for the preparation thereof

EXXONMOBIL RES & ENG CO

Polyvinyl chloride resins

Substantially linear copolymers

Polyvinyl chloride resins

Non-linear polymer product derived from dilute multi-component feeds

Polymerization processes for using dilute multicomponent feeds (LAW624)

Linear functional copolymers of ethylene with precise and minimum run length distributions and methods of making thereof

Linear functional copolymers of ethylene with precise and minimum run length distributions and method of making thereof

EXXON CHEMICAL PATENTS INC

Crystalline polyolefin graft copolymers