Assignee
CHEVRON RES
US1,882 patents
Top patents by PatentIndex Score
US5053373AOct 1, 1991
Zeolite SSZ-32
CHEVRON RES196 citations99
US4921594AMay 1, 1990
Production of low pour point lubricating oils
CHEVRON RES241 citations99
US4910006AMar 20, 1990
Zeolite SSZ-26
CHEVRON RES241 citations99
US4877416AOct 31, 1989
Synergistic fuel compositions
CHEVRON RES264 citations99
US4824821AApr 25, 1989
Dispersed group VIB metal sulfide catalyst promoted with Group VIII metal
CHEVRON RES165 citations99
US4627908ADec 9, 1986
Process for stabilizing lube base stocks derived from bright stock
CHEVRON RES370 citations99
US4612132ASep 16, 1986
Modified succinimides
CHEVRON RES332 citations99
US4605680AAug 12, 1986
Conversion of synthesis gas to diesel fuel and gasoline
CHEVRON RES313 citations99
US4544538AOct 1, 1985
Zeolite SSZ-13 and its method of preparation
CHEVRON RES480 citations99
US4456527AJun 26, 1984
Hydrocarbon conversion process
CHEVRON RES186 citations99
US4285822AAug 25, 1981
Process for preparing a sulfurized molybdenum-containing composition and lubricating oil containing the composition
CHEVRON RES365 citations99
US4283295AAug 11, 1981
Process for preparing a sulfurized molybdenum-containing composition and lubricating oil containing said composition
CHEVRON RES277 citations99
US4265773AMay 5, 1981
Process of preparing molybdenum complexes, the complexes so-produced and lubricants containing same
CHEVRON RES284 citations99
US4263152AApr 21, 1981
Process of preparing molybdenum complexes, the complexes so-produced and lubricants containing same
CHEVRON RES304 citations99
US4261843AApr 14, 1981
Reaction product of acidic molybdenum compound with basic nitrogen compound and lubricants containing same
CHEVRON RES273 citations99
US4259194AMar 31, 1981
Reaction product of ammonium tetrathiomolybdate with basic nitrogen compounds and lubricants containing same
CHEVRON RES222 citations99
US4259195AMar 31, 1981
Reaction product of acidic molybdenum compound with basic nitrogen compound and lubricants containing same
CHEVRON RES293 citations99
US4255211AMar 10, 1981
Multilayer photovoltaic solar cell with semiconductor layer at shorting junction interface
CHEVRON RES184 citations99
US4976848ADec 11, 1990
Hydrodemetalation and hydrodesulfurization using a catalyst of specified macroporosity
CHEVRON RES135 citations98
US4828031AMay 9, 1989
In situ chemical stimulation of diatomite formations
CHEVRON RES264 citations98
US4272387AJun 9, 1981
Process of preparing molybdenum complexes, the complexes so-produced and lubricants containing same
CHEVRON RES261 citations98
US4191537AMar 4, 1980
Fuel compositions of poly(oxyalkylene) aminocarbamate
CHEVRON RES169 citations98
US4037658AJul 26, 1977
Method of recovering viscous petroleum from an underground formation
CHEVRON RES222 citations98
US4901923AFeb 20, 1990
Variable dilution ratio hose-end aspirator sprayer
CHEVRON RES167 citations97
US4830736AMay 16, 1989
Graded catalyst system for removal of calcium and sodium from a hydrocarbon feedstock
CHEVRON RES129 citations97
US4347121AAug 31, 1982
Production of lubricating oils
CHEVRON RES148 citations97
US4060480ANov 29, 1977
Hydrocarbon hydroconversion process employing hydroxy-aluminum stabilized catalysts supports
CHEVRON RES217 citations97
US4019575AApr 26, 1977
System for recovering viscous petroleum from thick tar sand
CHEVRON RES326 citations97
US3994340ANov 30, 1976
Method of recovering viscous petroleum from tar sand
CHEVRON RES316 citations97
US5166111ANov 24, 1992
Low-aluminum boron beta zeolite
CHEVRON RES33 citations96
US5149421ASep 22, 1992
Catalytic dewaxing process for lube oils using a combination of a silicoaluminophosphate molecular sieve catalyst and an aluminosilicate zeolite catalyst
CHEVRON RES90 citations96
US5094991AMar 10, 1992
Slurry catalyst for hydroprocessing heavy and refractory oils
CHEVRON RES74 citations96
US5082986AJan 21, 1992
Process for producing lube oil from olefins by isomerization over a silicoaluminophosphate catalyst
CHEVRON RES89 citations96
US5059304AOct 22, 1991
Process for removing sulfur from a hydrocarbon feedstream using a sulfur sorbent with alkali metal components or alkaline earth metal components
CHEVRON RES54 citations96
US5029482AJul 9, 1991
Gas/liquid flow measurement using coriolis-based flow meters
CHEVRON RES128 citations96
US4988659AJan 29, 1991
Silica/alumina cogel catalysts
CHEVRON RES86 citations96
US4970190ANov 13, 1990
Heavy oil hydroprocessing with group VI metal slurry catalyst
CHEVRON RES116 citations96
US4968409ANov 6, 1990
Hydrocarbon processing of gas containing feed in a countercurrent moving catalyst bed
CHEVRON RES61 citations96
US4963337AOct 16, 1990
Zeolite SSZ-33
CHEVRON RES109 citations96
US4943424AJul 24, 1990
Synthesis of a crystalline silicoaluminophosphate
CHEVRON RES107 citations96
US4859311AAug 22, 1989
Catalytic dewaxing process using a silicoaluminophosphate molecular sieve
CHEVRON RES127 citations96
US4859312AAug 22, 1989
Process for making middle distillates using a silicoaluminophosphate molecular sieve
CHEVRON RES92 citations96
US4857496AAug 15, 1989
Heavy oil hydroprocessing with Group VI metal slurry catalyst
CHEVRON RES77 citations96
US4853109AAug 1, 1989
Demetalation of hydrocarbonaceous feedstocks using dibasic carboxylic acids and salts thereof
CHEVRON RES70 citations96
US4747965AMay 31, 1988
Modified succinimides
CHEVRON RES57 citations96
US4746446AMay 24, 1988
Modified succinimides
CHEVRON RES78 citations96
US4741819AMay 3, 1988
Sulfur removal system for protection of reforming catalyst
CHEVRON RES72 citations96
US4736316AApr 5, 1988
Minimum time, optimizing and stabilizing multivariable control method and system using a constraint associated control code
CHEVRON RES90 citations96
US4727216AFeb 23, 1988
Dehydrogenation of isobutane over a zeolitic catalyst
CHEVRON RES53 citations96
US4710486ADec 1, 1987
Process for preparing heavy oil hydroprocessing slurry catalyst
CHEVRON RES124 citations96
Showing the top 50 of 1,882 patents by PatentIndex Score.