P

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 patents
US4428819AJan 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 patents

Showing the top 50 of 63 patents by PatentIndex Score.