Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5294349 | Coal depolymerization and hydroprocessing | George M. Kramer, Edwin R. Ernst, Chang S. Hsu, Peter S. Maa | 1994-03-15 |
| 5278121 | Multimetallic sulfide catalyst containing noble metals for hydrodenitrogenation | Leo D. Brown, X. B. Cox, III, Thomas R. Halbert | 1994-01-11 |
| 5086027 | Novel noble metal supported hydrotreating catalysts | William E. Winter, Kenneth L. Riley, Kenneth L. Trachte | 1992-02-04 |
| 5064527 | Catalytic process for hydroconversion of carbonaceous materials | Bobby L. Wilson, Edward H. Edelson, Michael A. Mikita | 1991-11-12 |
| 5055211 | Lubricating oil containing a mixed ligand metal complex and a metal thiophosphate | Jacob J. Habeeb | 1991-10-08 |
| 5035815 | Lubricating oil containing a nickel alkoxyalkylxanthate and zinc dialkyldithiophosphate | Jacob J. Habeeb, Rustom M. Billimoria, William H. Stover | 1991-07-30 |
| 5034142 | Lubricating oil containing a nickel alkoxyalkylxanthate, a dixanthogen, and zinc dialkyldithiophosphate | Jacob J. Habeeb | 1991-07-23 |
| 5026492 | Lubricating oil containing an alkyl alkoxyalkylxanthate and zinc dialkyldithiophosphate | Jacob J. Habeeb | 1991-06-25 |
| 4853110 | Method for separating arsenic and/or selenium from shale oil | Daniel Francis Ryan | 1989-08-01 |
| 4824558 | Coal liquefaction process with metal/iodine cocatalyst | Peter S. Maa, Lonnie W. Vernon, William E. Winter | 1989-04-25 |
| 4683316 | Method of preparation of dithiocarbamate complexes of molybdenum (VI) | — | 1987-07-28 |
| 4681957 | Method of preparing hydrocarbon substituted dithiocarbamates of molybdenum | Claude C. Culross | 1987-07-21 |
| 4561964 | Catalyst for the hydroconversion of carbonaceous materials | Karla S. Colle, Edward H. Edelson, Bobby L. Wilson, Loan H. Dao | 1985-12-31 |
| 4454024 | Hydroconversion process | Gordon F. Stuntz | 1984-06-12 |
| 4434043 | Recovery of catalyst from coal liquefaction residues | Ramachandra A. Nadkarni | 1984-02-28 |
| 4272400 | Regeneration of spent hydrodesulfurization catalysts employing presulfiding treatment and heteropoly acids | Bernard G. Silbernagel, Raam R. Mohan | 1981-06-09 |
| 4272401 | Regeneration of spent hydrodesulfurization catalyst with heteropoly acids | Raam R. Mohan | 1981-06-09 |
| 4268415 | Regeneration of spent hydrodesulfurization catalysts with heteropoly acids and hydrogen peroxide | Raam R. Mohan, Bernard G. Silbernagel | 1981-05-19 |