Inventor

JOHNSON BURNETT H

US15 patents

Patents

15 patents

US4451574AMay 29, 1984

Polymerization catalyst

EXXON RESEARCH ENGINEERING CO34 citations92

US4272467AJun 9, 1981

Method for producing an essentially gas and liquid impermeable low density, closed-cell, microcellular polyparabanic acid article

EXXON RESEARCH ENGINEERING CO21 citations81

US4707530ANov 17, 1987

Polymerization catalyst

EXXON RESEARCH ENGINEERING CO16 citations73

US4325860AApr 20, 1982

Polymers characterized by 1,3-imidazolidine-1,3-diyl rings plasticized with aromatic sulfones or aromatic sulfoxides

EXXON RESEARCH ENGINEERING CO10 citations73

US4262094AApr 14, 1981

Microcellular heterocyclic polymer structures

EXXON RESEARCH ENGINEERING CO8 citations73

US4228066AOct 14, 1980

Stabilized polymer compositions

EXXON RESEARCH ENGINEERING CO13 citations73

US4201820AMay 6, 1980

Microcellular heterocyclic polymer structures

EXXON RESEARCH ENGINEERING CO18 citations73

US4000967AJan 4, 1977

Wettable non-woven structures and components thereof

EXXON RESEARCH ENGINEERING CO16 citations73

US4039610AAug 2, 1977

Method of making an oriental dimensionally stable article from a high softening aromatic polymer or copolymer

EXXON RESEARCH ENGINEERING CO5 citations62

US4022751AMay 10, 1977

Stabilization of high temperature plastics containing aryl-methylene arylene groups against thermal oxidative degradation

EXXON RESEARCH ENGINEERING CO4 citations62

US3954911AMay 4, 1976

Chlorobutyl rubber-styrene-acrylonitrile graft copolymers

EXXON RESEARCH ENGINEERING CO5 citations62

US3939116AFeb 17, 1976

Self-supported, oriented high-performance films having minimal thermal distortion properties

EXXON RESEARCH ENGINEERING CO4 citations62

US4361667ANov 30, 1982

Poly(parabanic acid) films having improved flammability resistance by the addition of copper chelates and organo halides

EXXON RESEARCH ENGINEERING CO0 citations51

US4259475AMar 31, 1981

Preparation of linear crystalline homopolybenzyl

EXXON RESEARCH ENGINEERING CO1 citations51

US4026968AMay 31, 1977

Bromobutyl rubber-styrene-acrylonitrile graft copolymers

EXXON RESEARCH ENGINEERING CO1 citations51