P

Inventor

CLARK JR EARL

US15 patents

Patents

15 patents
US5124376AJun 23, 1992

Use of phenol as rapid inverse latex inversion promoter and solution viscosity enhancer

PHILLIPS PETROLEUM CO38 citations92
US4997582AMar 5, 1991

Compositions for acid treating subterranean formations

PHILLIPS PETROLEUM CO23 citations92
US4764574AAug 16, 1988

Inverse emulsion polymerization with sorbitan fatty acid esters and ethoxylated alcohol

PHILLIPS PETROLEUM CO30 citations92
US5290953AMar 1, 1994

Process for producing sulfolane compounds

PHILLIPS PETROLEUM CO33 citations91
US4906701AMar 6, 1990

Inverse emulsion polymerization

PHILLIPS PETROLEUM CO21 citations81
US4808698AFeb 28, 1989

Production of aromatic sulfide/sulfone polymers

PHILLIPS PETROLEUM CO14 citations73
US4775010AOct 4, 1988

Methods and compositions for acid treating subterranean formations

PHILLIPS PETROLEUM CO16 citations73
US4753981AJun 28, 1988

Polymerization process

PHILLIPS PETROLEUM CO13 citations73
US4548982AOct 22, 1985

Drilling fluids

PHILLIPS PETROLEUM CO8 citations73
US5347018ASep 13, 1994

Process for producing sulfolane compounds

PHILLIPS PETROLEUM CO9 citations70
US5110901AMay 5, 1992

Higher molecular weight arylene sulfide resin and process for its preparation

PHILLIPS PETROLEUM CO7 citations70
US5331069AJul 19, 1994

Method of treating poly(arylene sulfide sulfone) polymers and polymers

PHILLIPS PETROLEUM CO4 citations62
US5932671AAug 3, 1999

Polymerization process

PHILLIPS PETROLEUM CO6 citations61
US5374709ADec 20, 1994

Production of granular poly(arylene sulfide) polymers containing reduced amounts of oligomers

PHILLIPS PETROLEUM CO4 citations60
US5512261AApr 30, 1996

Process for removing sulfur dioxide from fluids

PHILLIPS PETROLEUM CO1 citations51