Issued Patents 1989
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886611 | Hydrocarbon compositions containing polyolefin graft polymers | Maria M. Kapuscinski, Larry D. Grina, Ronald E. Jones | 1989-12-12 |
| 4877415 | Hydrocarbon compositions containing polyolefin graft polymers | Maria M. Kapuscinski, Larry D. Grina, Ronald E. Jones | 1989-10-31 |
| 4869728 | Motor fuel additive and ORI-inhibited motor fuel composition | — | 1989-09-26 |
| 4865621 | Ori-inhibited and deposit-resistant motor fuel composition | — | 1989-09-12 |
| 4865622 | ORI-inhibited and deposit-resistant motor fuel composition | — | 1989-09-12 |
| 4857661 | Bicyclic keto-acids preparation | Benjamin J. Kaufman | 1989-08-15 |
| 4852993 | ORI-inhibited and deposit-resistant motor fuel composition | Thomas Hayden, Michael A. Caggiano, Milton D. Behrens | 1989-08-01 |
| 4834897 | Gear oil lubricant additive composition | Benjamin H. Zoleski, Ronald L. O'Rourke | 1989-05-30 |
| 4820776 | Hydrocarbon compositions containing polyolefin graft polymers having amine and phenothiazine grafted moieties | Maria M. Kapuscinski, Larry D. Grina, Ronald E. Jones | 1989-04-11 |
| 4810261 | Reaction product additive and ori-inhibited motor fuel composition | Milton D. Behrens, Michael A. Caggiano, John F. Knifton, John M. Larkin, Robert L. Zimmerman | 1989-03-07 |
| 4808335 | Oxidation and corrosion resistant diesel engine lubricant | Benjamin H. Zoleski, Ronald L. O'Rourke | 1989-02-28 |