Inventor
YAN TSOUNG-YUAN
63 patents
⚠️ This page may combine multiple inventors who share the name “YAN TSOUNG-YUAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MOBIL OIL CORP
43 patentsUS4428819AJan 31, 1984
Hydroisomerization of catalytically dewaxed lubricating oils
MOBIL OIL CORP55 citations96
US4234231ANov 18, 1980
Method for restoring a leached formation
MOBIL OIL CORP105 citations96
US4118281AOct 3, 1978
Conversion of solid wastes to fuel coke and gasoline/light oil
MOBIL OIL CORP88 citations96
US4108730AAug 22, 1978
Method for treatment of rubber and plastic wastes
MOBIL OIL CORP87 citations96
US4096097AJun 20, 1978
Method of producing high quality sponge coke or not to make shot coke
MOBIL OIL CORP74 citations96
US4404092ASep 13, 1983
Delayed coking process
MOBIL OIL CORP34 citations93
US4296075AOct 20, 1981
Method for protecting an ion-exchange resin from chemical poisoning
MOBIL OIL CORP31 citations93
US4052170AOct 4, 1977
Magnetic desulfurization of airborne pulverized coal
MOBIL OIL CORP40 citations93
US3968023AJul 6, 1976
Production of lubricating oils
MOBIL OIL CORP42 citations93
US4994172AFeb 19, 1991
Pipelineable syncrude (synthetic crude) from heavy oil
MOBIL OIL CORP26 citations92
US4052292AOct 4, 1977
Liquefaction of solid carbonaceous materials
MOBIL OIL CORP32 citations92
US4524228AJun 18, 1985
Production of durene and gasoline from synthesis gas
MOBIL OIL CORP33 citations91
US4524231AJun 18, 1985
Production of durene from alcohols and ethers
MOBIL OIL CORP38 citations91
US4524227AJun 18, 1985
Coproduction of durene and gasoline from synthesis gas and alcohols and separation of durene-gasoline mixtures
MOBIL OIL CORP37 citations91
US4544479AOct 1, 1985
Recovery of metal values from petroleum residua and other fractions
MOBIL OIL CORP22 citations82
US4411873AOct 25, 1983
In-line regeneration of polythionate poisoned ion exchange resins
MOBIL OIL CORP21 citations82
US4280985AJul 28, 1981
Process for the elution of ion exchange resins in uranium recovery
MOBIL OIL CORP22 citations82
US4139397AFeb 13, 1979
Paving grade asphalt compositions
MOBIL OIL CORP24 citations82
US4035281AJul 12, 1977
Production of fuel oil
MOBIL OIL CORP25 citations82
US3959452AMay 25, 1976
Process for removing hydrogen sulfide from contaminated gas
MOBIL OIL CORP19 citations82
US4582595AApr 15, 1986
Process for hydroprocessing heavy oils utilizing sepiolite-based catalysts
MOBIL OIL CORP14 citations74
US4529408AJul 16, 1985
Pumpable solid fuels for small furnace
MOBIL OIL CORP12 citations74
US4469807ASep 4, 1984
Catalyst and process for hydroprocessing heavy oils
MOBIL OIL CORP8 citations74
US4464345AAug 7, 1984
Method of precipitating contaminants in a uranium leachate using ferri ions, complexing agent, and pH control
MOBIL OIL CORP12 citations74
US4452490AJun 5, 1984
Treatment of subterranean uranium-bearing formations
MOBIL OIL CORP17 citations74
US4423008ADec 27, 1983
Direct acid elution of anionic exchange resins for recovery of uranium
MOBIL OIL CORP10 citations74
US4402821ASep 6, 1983
Process for liquefaction of coal
MOBIL OIL CORP17 citations74
US4397819AAug 9, 1983
Rejuvenation of the anion exchanger used for uranium recovery
MOBIL OIL CORP16 citations74
US4376098AMar 8, 1983
Two-stage uranium in situ leaching process
MOBIL OIL CORP15 citations74
US4346936AAug 31, 1982
Treatment of subterranean uranium-bearing formations
MOBIL OIL CORP18 citations74
US4340252AJul 20, 1982
Process for the in-situ leaching of uranium
MOBIL OIL CORP10 citations74
US4337979AJul 6, 1982
Process for the in-situ leaching of uranium
MOBIL OIL CORP10 citations74
US4312838AJan 26, 1982
Ion exchange resins of high loading capacity, high chloride tolerance and rapid elution for uranium recovery
MOBIL OIL CORP9 citations74
US4120782AOct 17, 1978
Method for improving the treating capacity of a clay sorbent
MOBIL OIL CORP15 citations74
US4118201AOct 3, 1978
Production of low sulfur fuels from coal
MOBIL OIL CORP17 citations74
US4077866AMar 7, 1978
Process for producing low-sulfur liquid and solid fuels from coal
MOBIL OIL CORP16 citations74
US4052291AOct 4, 1977
Production of asphalt cement
MOBIL OIL CORP17 citations74
US4035287AJul 12, 1977
Desulfurization of residual oil
MOBIL OIL CORP7 citations74
US3989617ANov 2, 1976
Catalytic treatment of lubrication oil base stock for improvement of oxidative stability
MOBIL OIL CORP12 citations74
US3979279ASep 7, 1976
Treatment of lube stock for improvement of oxidative stability
MOBIL OIL CORP15 citations74
US4105612AAug 8, 1978
Asphalt composition and its manufacture
MOBIL OIL CORP18 citations73
US4447311AMay 8, 1984
Dewaxing process
MOBIL OIL CORP9 citations71
US4052290AOct 4, 1977
Asphalt compositions
MOBIL OIL CORP17 citations71
MOBIL CORP
7 patentsUS4175211ANov 20, 1979
Method for treatment of rubber and plastic wastes
MOBIL CORP74 citations96
US4162707AJul 31, 1979
Method of treating formation to remove ammonium ions
MOBIL CORP83 citations96
US4211576AJul 8, 1980
Pitch and asphalt compositions
MOBIL CORP38 citations93
US4188279AFeb 12, 1980
Shaped carbon articles
MOBIL CORP41 citations93
US4181597AJan 1, 1980
Method of stabilizing lube oils
MOBIL CORP51 citations92
US4188235AFeb 12, 1980
Electrode binder composition
MOBIL CORP9 citations74
US4151066AApr 24, 1979
Coal liquefaction process
MOBIL CORP12 citations74
Showing the top 50 of 63 patents by PatentIndex Score.