P

Inventor

HERBSTMAN SHELDON

US51 patents

Patents

50 patents
US5039307AAug 13, 1991

Diesel fuel detergent additive

TEXACO INC114 citations96
US4125455ANov 14, 1978

Hydrotreating heavy residual oils

TEXACO INC68 citations96
US5030249AJul 9, 1991

Gasoline detergent additive

TEXACO INC108 citations95
US4729769AMar 8, 1988

Gasoline compositions containing reaction products of fatty acid esters and amines as carburetor detergents

TEXACO INC108 citations95
US5925151AJul 20, 1999

Detergent additive compositions for diesel fuels

TEXACO INC65 citations94
US5490864AFeb 13, 1996

Anti-wear lubricity additive for low-sulfur content diesel fuels

TEXACO INC85 citations93
US5484462AJan 16, 1996

Low sulfur diesel fuel composition with anti-wear properties

TEXACO INC25 citations93
US5332407AJul 26, 1994

Diesel fuel additive providing clean up detergency of fuel injectors

TEXACO INC24 citations93
US4127471ANov 28, 1978

Hydrocracking alkylaromatic-containing hydrocarbons at mild cracking conditions and then subjecting the alkylaromatic hydrocarbon to alkyl transfer

TEXACO INC49 citations93
US5122161AJun 16, 1992

Diesel fuel comprising a glycolated Mannich coupled bis-succinimide detergent

TEXACO INC39 citations92
US4332595AJun 1, 1982

Ether amine detergent and motor fuel composition containing same

TEXACO INC40 citations92
US4207076AJun 10, 1980

Gasoline-ethanol fuel mixture solubilized with ethyl-t-butyl ether

TEXACO INC47 citations90
US4144138AMar 13, 1979

Recovery of ethers

TEXACO INC37 citations87
US4505835AMar 19, 1985

Lubricant oil composition containing a friction modifier

TEXACO INC22 citations82
US4252541AFeb 24, 1981

Method for preparation of ethers

TEXACO INC28 citations82
US4118425AOct 3, 1978

Method for preparation of ethers

TEXACO INC29 citations82
US4207077AJun 10, 1980

Gasoline-ethanol fuel mixture solubilized with methyl-t-butyl-ether

TEXACO INC28 citations81
US4138227AFeb 6, 1979

Production of low pour, low sulfur fuel oils

TEXACO INC23 citations79
US5383942AJan 24, 1995

Fuel composition

TEXACO INC9 citations74
US5286267AFeb 15, 1994

Polyether hydroxyethylaminoethyl oxalamide motor fuel detergent additives

TEXACO INC6 citations74
US5234478AAug 10, 1993

Fuel additive method of preparation and motor fuel composition

TEXACO INC11 citations74
US5203879AApr 20, 1993

Fuel composition

TEXACO INC8 citations74
US4919685AApr 24, 1990

Stable middle distillate fuel-oil compositions

TEXACO INC14 citations74
US4919683AApr 24, 1990

Stable middle distillate fuel-oil compositions

TEXACO INC10 citations74
US4919684AApr 24, 1990

Stable middle distillate fuel-oil compositions

TEXACO INC10 citations74
US4404001ASep 13, 1983

Detergent and corrosion inhibitor and motor fuel composition containing same

TEXACO INC8 citations74
US4356001AOct 26, 1982

Method of extending hydrocarbon fuels including gasolines and fuels heavier than gasoline

TEXACO INC12 citations74
US4353710AOct 12, 1982

Novel method of extending a hydrocarbon fuel heavier than gasoline by adding a methoxy or ethoxy group

TEXACO INC6 citations74
US4321062AMar 23, 1982

Hydrocarbyl substituted phenylaspartates of N-primary-alkyl-alkylene diamines and motor fuel composition containing same

TEXACO INC11 citations74
US4316724AFeb 23, 1982

Gasoline and alcohol blends

TEXACO INC15 citations74
US4290778ASep 22, 1981

Hydrocarbyl alkoxy amino alkylene-substituted asparagine and a motor fuel composition containing same

TEXACO INC16 citations74
US4261702AApr 14, 1981

Novel process for preparation of gasohol

TEXACO INC15 citations74
US4207079AJun 10, 1980

Primary aliphatic hydrocarbon amino alkylene-substituted asparagine and a motor fuel composition containing same

TEXACO INC13 citations74
US4997455AMar 5, 1991

Diesel fuel injector cleaning additive

TEXACO INC10 citations73
US4964879AOct 23, 1990

Middle distillate fuel containing deposit inhibitor

TEXACO INC11 citations73
US4204841AMay 27, 1980

Detergent gasoline composition

TEXACO INC7 citations72
US4066716AJan 3, 1978

Alkylation process of alkanes with olefins utilizing chlorided alumina catalyst

TEXACO INC8 citations71
US5286264AFeb 15, 1994

Gasoline detergent additive composition and motor fuel composition

TEXACO INC17 citations69
US4925989AMay 15, 1990

MTBE preparation from isobutylene/TBA and methanol in presence of an acid resin catalyst

TEXACO INC12 citations67
US5256165AOct 26, 1993

Gasoline detergent additive mixture of mono-and bis-succinimides and heavy oil

TEXACO INC9 citations66
US5286266AFeb 15, 1994

Motor fuel detergent additives - asymmetrical ureas of hydrocarbyloxypolyether amines and tertiary aminoalkyl primary amines

TEXACO INC3 citations63
US5169546ADec 8, 1992

Multifunctional viscosity index improvers having dispersant and antioxidant properties and lubricating oil composition containing same

TEXACO INC5 citations63
US5057123AOct 15, 1991

Method of stabilizing diesel fuels

TEXACO INC3 citations63
US5000759AMar 19, 1991

Stable middle distillate fuel-oil compositions

TEXACO INC3 citations63
US4409417AOct 11, 1983

Process of dehydrogenation of hydrocarbons

TEXACO INC6 citations63
US4392946AJul 12, 1983

Hydrodesulfurization of hydrocarbons with fluorided platinum

TEXACO INC4 citations63
US4083800AApr 11, 1978

Alkylation process and method for catalyst regeneration

TEXACO INC5 citations63
US4113657ASep 12, 1978

Alkylation process

TEXACO INC2 citations60
US4138444AFeb 6, 1979

Self-alkylation of isobutane

TEXACO INC1 citations52
US5509943AApr 23, 1996

Motor fuel detergent additives-hydrocarbyloxypolyether allophonate esters of 2-hydroxy ethane

TEXACO INC1 citations46

Showing the top 50 of 51 patents by PatentIndex Score.