Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6464858 | Method for improving the yield of heavy hydrocarbons in a thermal cracking process | Ronald E. Brown, Larry E. Reed, James P. Degraffenried, Gil J. Greenwood, Timothy P. Harper +1 more | 2002-10-15 |
| 6056870 | Method of promoting the decomposition of silicon compounds in a process for depositing silicon upon a metal surface | Larry E. Reed, Ronald E. Brown, Timothy P. Harper, James P. Degraffenried, Mark D. Scharre +1 more | 2000-05-02 |
| 5656150 | Method for treating the radiant tubes of a fired heater in a thermal cracking process | Larry E. Reed, Ronald E. Brown, James P. Degraffenried, Gil J. Greenwood, Timothy P. Harper +1 more | 1997-08-12 |
| 4544735 | Preparation of poly(arylene sulfide) from halothiophenol and alkaline metal hydroxide | Jon F. Geibel, Michael Duane Cliffton | 1985-10-01 |
| 4520129 | Hydrogenation catalyst | — | 1985-05-28 |
| 4507507 | Catalysts | — | 1985-03-26 |
| 4491563 | Process for deodorizing a paraffinic hydrocarbon feedstock | Robert E. Reusser, Elizabeth A. Todd | 1985-01-01 |
| 4447554 | Hydroalkylation catalyst and methods for producing and employing same | Ernest A. Zuech | 1984-05-08 |
| 4434082 | Palladium/heteropolyacid/surfactant catalyst system | Tad K. Shioyama | 1984-02-28 |
| 4409401 | Selective hydrogenation of organic materials | — | 1983-10-11 |
| 4383940 | Catalysts for hydrogenation of unsaturated dinitriles | Charles A. Drake | 1983-05-17 |
| 4329531 | Hydroalkylation catalyst and methods for producing and employing same | Ernest A. Zuech | 1982-05-11 |
| 4311859 | Catalytic hydrogenation of unsaturated dinitriles | Charles A. Drake | 1982-01-19 |
| 4268699 | Hydroalkylation using nickel-ruthenium catalyst on zeolite type support | Ernest A. Zuech | 1981-05-19 |
| 4243610 | Cobalt-gold promoter for ruthenium hydrogenation catalyst as in hydrogenation of unsaturated dinitriles | Charles A. Drake | 1981-01-06 |
| 4230638 | Separation of cyclohexylbenzene from a cyclohexylbenzene-cyclohexanone-phenol admixture | — | 1980-10-28 |
| 4219689 | Aromatic hydroalkylation catalyst using iridium on zeolites | — | 1980-08-26 |
| 4217248 | Hydroalkylation catalyst composition comprising a rhenium, nickel, rare earth zeolite | — | 1980-08-12 |
| 4215019 | Ruthenium-cobalt-gold catalyst for hydrogenation of unsaturated dinitriles | Charles A. Drake | 1980-07-29 |
| 4206082 | Hydroalkylation process and a composition and process for producing said composition | William A. Jones, Ernest A. Zuech, Marvin M. Johnson | 1980-06-03 |
| 4201632 | Separation of phenol-, cyclohexanone-, and cyclohexylbenzene-containing mixtures employing a nitrile as extraction distillation solvent | — | 1980-05-06 |