P

Inventor

CHOU KECHIA J

US15 patents

Patents

15 patents
US4973733ANov 27, 1990

Method of functionalizing polymers

TEXACO INC38 citations91
US5456839AOct 10, 1995

Method of dehydrating organic oxygenates

TEXACO INC10 citations73
US4329239AMay 11, 1982

Hydrocarbyl dihydrouracil, its method of preparation and lubricating oil composition containing same

TEXACO INC9 citations73
US4194982AMar 25, 1980

N-sulfonylated polyalkenylsuccinimide and lubricant composition

TEXACO INC9 citations73
US4659491AApr 21, 1987

Lubricating oil containing a polymer having a functionalized backbone which contains an electron withdrawing group

TEXACO INC10 citations72
US4510063AApr 9, 1985

Amine-polymer dispersants in lubricating oils and a method of improving the dispersancy of a lubricating oil

TEXACO INC8 citations72
US5281337AJan 25, 1994

Membrane separation process

TEXACO INC8 citations70
US5147549ASep 15, 1992

Membrane separation process

TEXACO INC8 citations70
US4104182AAug 1, 1978

Lubricating oil composition

TEXACO INC11 citations70
US5206157AApr 27, 1993

Preparation of N-substituted-2-morpholone

TEXACO INC2 citations62
US4826768AMay 2, 1989

Polyoxyalkylene glycol conversion to monocarboxylic acid

TEXACO INC4 citations62
US4303535ADec 1, 1981

Hydrocarbyl carbamidopropanamide, its method of preparation and lubricating oil composition containing same

TEXACO INC6 citations62
US5143620ASep 1, 1992

Membrane separation process

TEXACO INC4 citations59
US4973732ANov 27, 1990

Polymer containing a polyisobutylene-derived backbone

TEXACO INC1 citations50
US4904741AFeb 27, 1990

Polymers with amino-methyl-propene-2-yl groups contaiing electron-withdrawing groups

TEXACO INC0 citations50