P

Inventor

IRVIN HOWARD B

US15 patents

Patents

15 patents
US4121029AOct 17, 1978

Polyolefin reactor system

PHILLIPS PETROLEUM CO82 citations95
US4060520ANov 29, 1977

Continuous reaction for preparation of arylene sulfide polymer

PHILLIPS PETROLEUM CO64 citations95
US4406750ASep 27, 1983

Solvent removal from polymer solution utilizing flashed vapor as a heat source

PHILLIPS PETROLEUM CO33 citations92
US4604216AAug 5, 1986

Drilling fluids

PHILLIPS PETROLEUM CO52 citations91
US4548982AOct 22, 1985

Drilling fluids

PHILLIPS PETROLEUM CO8 citations73
US4418191ANov 29, 1983

Solvent purification

PHILLIPS PETROLEUM CO10 citations73
US4408039AOct 4, 1983

Separation of polymer of conjugated diene from a solution polymerization solvent using prestripping step

PHILLIPS PETROLEUM CO13 citations73
US4388444AJun 14, 1983

Preparing blends of a synthetic rubber with a poly(arylene oxide) by distillative displacement

PHILLIPS PETROLEUM CO8 citations73
US4320091AMar 16, 1982

Apparatus for two stage catalytic hydrogenation of olefinically unsaturated dinitriles

PHILLIPS PETROLEUM CO14 citations73
US4278506AJul 14, 1981

Polymer solution purification

PHILLIPS PETROLEUM CO17 citations73
US4232137ANov 4, 1980

Cooling an alpha-methylstyrene polymerization mass

PHILLIPS PETROLEUM CO9 citations70
US4086288AApr 25, 1978

Acetylenes removal from olefin streams for alkylation by dimethyl formamide absorption

PHILLIPS PETROLEUM CO6 citations59
US4177250ADec 4, 1979

Method of removing acetylene and sulfur compounds from gases by absorption in dimethyl formamide

PHILLIPS PETROLEUM CO5 citations57
US4000044ADec 28, 1976

Fractionation of immiscible liquids of equal density

PHILLIPS PETROLEUM CO0 citations51
US4263228AApr 21, 1981

Two stage catalytic hydrogenation of olefinically unsaturated dinitriles

PHILLIPS PETROLEUM CO0 citations41