Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5445750 | Lubricating oil composition containing the reaction product of an alkenylsuccinimide with a bis(hydroxyaromatic) substituted carboxylic acid | Christopher S. Liu, Brian L. Papke, Thomas A. Kennedy | 1995-08-29 |
| 5093513 | Process for oxycarbonylation of lower alkanols | Robert A. Sawicki | 1992-03-03 |
| 4948524 | Dispersant anti-oxidant VI improver and lubricating oil composition containing same | Maria M. Kapuscinski, Theodore E. Nalesnik, Robert T. Biggs, Christopher S. Liu | 1990-08-14 |
| 4900705 | Novel ligand catalyst systems formed by reaction of carbonyl compounds with organosilicon compounds | Robert A. Sawicki | 1990-02-13 |
| 4689422 | Novel ligand catalyst systems formed by reaction of carbonyl compounds with organosilicon compounds | Robert A. Sawicki | 1987-08-25 |
| 4532058 | Spirolactone condensation product dispersants and lubricants containing same | — | 1985-07-30 |
| 4428848 | Molybdenum derivatives and lubricants containing same | Stephen A. Levine, Raymond C. Schlicht, James R. Whiteman | 1984-01-31 |
| 4396399 | Detergent and corrosion inhibitor and motor fuel composition containing same | Benjamin J. Kaufman | 1983-08-02 |
| 4382007 | Novel dispersant-VI improvers and lubricating oil containing same | Richard F. Love, James O. Waldbillig | 1983-05-03 |
| 4339336 | Quaternary ammonium succinimide salt composition and lubricating oil containing same | Kenneth G. Hammond | 1982-07-13 |
| 4338206 | Quaternary ammonium succinimide salt composition and lubricating oil containing same | Kenneth G. Hammond | 1982-07-06 |
| 4326973 | Quaternary ammonium succinimide salt composition and lubricating oil containing same | Kenneth G. Hammond | 1982-04-27 |
| 4325876 | Process for the manufacture of an alkenylsuccinic anhydride | Gary D. Lee | 1982-04-20 |
| 4324672 | Dispersant alkenylsuccinimides containing oxy-reduced molybdenum and lubricants containing same | Stephen A. Levine, Raymond C. Schlicht | 1982-04-13 |
| 4315826 | Reaction products of carbon disulfide with thiomolybdenum derivatives of alkenylsuccinimides and lubricants containing same | Raymond C. Schlicht, Stephen A. Levine | 1982-02-16 |
| 4306070 | Method for preparing quaternary ammonium salt of ester-lactone | Kenneth G. Hammond | 1981-12-15 |
| 4273663 | Quaternary ammonium diester salt composition and lubricating oil containing same | Kenneth G. Hammond | 1981-06-16 |
| 4253980 | Quaternary ammonium salt of ester-lactone and hydrocarbon oil containing same | Kenneth G. Hammond | 1981-03-03 |
| 4251380 | Quaternary ammonium diester salt composition and hydrocarbon oil containing same | Kenneth G. Hammond | 1981-02-17 |
| 4248719 | Quaternary ammonium salts and lubricating oil containing said salts as dispersants | Gary D. Lee | 1981-02-03 |
| 4244828 | Lubricating oil composition | John W. Hodge | 1981-01-13 |