Inventor

HEILMAN WILLIAM J

US44 patents

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

HEILMAN WILLIAM J

GULF OIL CORP

Novel acetylene end-capped polyimide oligomers

Novel end-capped polyimide oligomers

Novel partially acetylene end-capped polyimide oligomers

End-capped polyimide oligomers

Novel vinyl end-capped polyimide oligomers

Process for preparation of acetylene end-capped polyimide oligomers

Vinyl end-capped polyimide oligomers

Resin-forming homogeneous solutions of styrene, maleic anhydride and copolymers thereof

Catalyst and process for the polymerization of ethylene

Styrene-grafted polyanhydride copolymer

Handleable, thermosettable epoxide-polyanhydride compositions

Homogeneous polyepoxide-polyanhydride compositions

Homogeneous polyepoxide-polyanhydride compositions

Laminates prepared from solutions of resins containing amic acid groups

Resin solutions of acetylene containing polyamide acids

Thermosettable epoxide-polyanhydride compositions

PENNZOIL PROD CO

Transparent gel candles

Health and beauty aid compositions

Base oil for shear stable multi-viscosity lubricants and lubricants therefrom

Olefin polymer pour point depressants

Transparent gel candles

Base oil for shear stable multi-viscosity lubricants and lubricants therefrom

Method of converting rusted surface to a durable one

Rust conversion composition

Tetraalkylmethanes as synthetic lubricants

Methacrylate pour point depressants and compositions

Methacrylate pour point depressants and compositions

GULF RESEARCH DEVELOPMENT CO

Mineral oil compositions having improved pour point containing alpha-olefin copolymers

Preparation of alpha-olefin oligomer synthetic lubricant

Method of oligomerizing 1-olefins

Alpha-olefin oligomer synthetic lubricant

Method of making alpha-olefin oligomers

Process for preparing a concentrate of a polyalpha-olefin in a lubricating oil base stock

Lubricant and hydraulic fluid compositions

Polymer-modified automatic transmission fluid

Preparation of glycidyl esters of unsaturated acids

PENNZOIL QUAKER STATE CO

Ethylene-alpha-olefin polymers, processes and uses

Ethylene-alpha-olefin polymers, processes and uses

Ethylene-alpha-olefin polymers, processes and uses

Vinylidene-containing polymers and uses thereof

HEILMAN WILLIAM J

Environmentally acceptable polymer suspensions for oil field applications

Hydrocarbon compositions useful as lubricants

SHELL OIL CO

Synthesis of poly-alpha olefin and use thereof

PENZOIL QUAKER STATE COMPANY

Ethylene alpha-olefin polymers, process and uses