| Patent | Date |
|---|
Process for hydroprocessing heavy oils utilizing sepiolite-based catalysts
Grant 4,582,595 - Audeh , et al. April 15, 1 | 1986-04-15 |
Pumpable solid fuels for small furnace
Grant 4,529,408 - Yan July 16, 1 | 1985-07-16 |
Production of durene and gasoline from synthesis gas
Grant 4,524,228 - Fowles , et al. June 18, 1 | 1985-06-18 |
Production of durene from alcohols and ethers
Grant 4,524,231 - Fowles , et al. June 18, 1 | 1985-06-18 |
Leach apparatus including means to protect ion exchange resin
Grant 4,495,152 - Yan , et al. January 22, 1 | 1985-01-22 |
Process for stabilizing dewaxed distillate oils
Grant 4,478,709 - Yan October 23, 1 | 1984-10-23 |
Catalyst and process for hydroprocessing heavy oils
Grant 4,469,807 - Audeh , et al. September 4, 1 | 1984-09-04 |
Method of precipitating contaminants in a uranium leachate using ferri ions, complexing agent, and pH control
Grant 4,464,345 - Yan August 7, 1 | 1984-08-07 |
Hydroisomerization of catalytically dewaxed lubricating oils
Grant 4,428,819 - Shu , et al. January 31, 1 | 1984-01-31 |
In-line regeneration of polythionate poisoned ion exchange resins
Grant 4,411,873 - Yan October 25, 1 | 1983-10-25 |
Process for liquefaction of coal
Grant 4,402,821 - Yan September 6, 1 | 1983-09-06 |
Treatment of subterranean uranium-bearing formations
Grant 4,346,936 - Yan August 31, 1 | 1982-08-31 |
Ion exchange resins of high loading capacity, high chloride tolerance and rapid elution for uranium recovery
Grant 4,312,838 - Yan January 26, 1 | 1982-01-26 |
Method of treating a subterranean formation to remove ammonium ions
Grant 4,300,860 - Yan November 17, 1 | 1981-11-17 |
Method for protecting an ion-exchange resin from chemical poisoning
Grant 4,296,075 - Yan October 20, 1 | 1981-10-20 |
Method of stabilizing lube oils
Grant 4,181,597 - Yan , et al. January 1, 1 | 1980-01-01 |
Method of treating formation to remove ammonium ions
Grant 4,162,707 - Yan July 31, 1 | 1979-07-31 |
Paving grade asphalt compositions
Grant 4,139,397 - Yan February 13, 1 | 1979-02-13 |
Production of low sulfur fuels from coal
Grant 4,118,201 - Yan October 3, 1 | 1978-10-03 |
Conversion of solid wastes to fuel coke and gasoline/light oil
Grant 4,118,281 - Yan October 3, 1 | 1978-10-03 |
Method for treatment of rubber and plastic wastes
Grant 4,108,730 - Chen , et al. August 22, 1 | 1978-08-22 |
Asphalt composition and its manufacture
Grant 4,105,612 - Cushman , et al. August 8, 1 | 1978-08-08 |
Method of producing high quality sponge coke or not to make shot coke
Grant 4,096,097 - Yan June 20, 1 | 1978-06-20 |
Asphalt compositions
Grant 4,052,290 - Cushman , et al. October 4, 1 | 1977-10-04 |
Magnetic desulfurization of airborne pulverized coal
Grant 4,052,170 - Yan October 4, 1 | 1977-10-04 |
Production of asphalt cement
Grant 4,052,291 - Espenscheid , et al. October 4, 1 | 1977-10-04 |
Liquefaction of solid carbonaceous materials
Grant 4,052,292 - Espenscheid , et al. October 4, 1 | 1977-10-04 |
Production of lubricating oils
Grant 3,968,023 - Yan July 6, 1 | 1976-07-06 |
Method of stabilizing oils and products thereof
Grant 3,928,171 - Yan , et al. December 23, 1 | 1975-12-23 |
Aromatization Process And Catalyst Therefor
Grant 3,843,741 - Yan October 22, 1 | 1974-10-22 |
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