Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5275630 | Metal salt fuel additive stabilized with a thiadiazole | — | 1994-01-04 |
| 4816038 | Metal complexes of mannich bases with a schiff base | Frederick W. Koch, Gail A. Evans, Alan Anthony Del Paggio | 1989-03-28 |
| 4780111 | Fuel compositions | Reed H. Walsh | 1988-10-25 |
| 4690687 | Fuel products comprising a lead scavenger | Thomas E. Johnston | 1987-09-01 |
| 4666461 | Fuel treatment compositions | — | 1987-05-19 |
| 4664677 | Manganese and copper containing compositions | Robert C. Tupa | 1987-05-12 |
| 4659338 | Fuel compositions for lessening valve seat recession | Thomas E. Johnston | 1987-04-21 |
| 4623684 | Hydrocarbyl substituted carboxylic acylating agent derivative containing combinations, and fuels containing same | Katsumi Hayashi | 1986-11-18 |
| 4613342 | Hydrocarbyl substituted carboxylic acylating agent derivative containing combinations, and fuels containing same | Katsumi Hayashi | 1986-09-23 |
| 4575526 | Hydrocarbyl substituted carboxylic acylaging agent derivative containing combinations, and fuels containing same | Katsumi Hayashi | 1986-03-11 |
| 4565550 | Hydrocarbyl substituted carboxylic acylating agent derivative containing combinations, and fuels containing same | Katsumi Hayashi | 1986-01-21 |
| 4564460 | Hydrocarbyl-substituted carboxylic acylating agent derivative containing combinations, and fuels containing same | Katsumi Hayashi | 1986-01-14 |
| 4559155 | Hydrocarbyl substituted carboxylic acylating agent derivative containing combinations, and fuels containing same | Katsumi Hayashi | 1985-12-17 |
| 4505718 | Organo transition metal salt/ashless detergent-dispersant combinations | — | 1985-03-19 |