Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4546137 | Additive combinations and fuels containing them | Albert Rossi, David H. Rehrer, Alexis A. Oswald, Kenneth Lewtas | 1985-10-08 |
| 4481013 | Two component flow improver additive for middle distillate fuel oils | Kenneth Lewtas, Brian William Davies | 1984-11-06 |
| 4464182 | Glycol ester flow improver additive for distillate fuels | Kenneth Lewtas, John R. Brazier | 1984-08-07 |
| 4375973 | Additive combinations and fuels containing them | Albert Rossi, David H. Rehrer, Alexis A. Oswald, Kenneth Lewtas | 1983-03-08 |
| 4261703 | Additive combinations and fuels containing them | Kenneth Lewtas | 1981-04-14 |
| 4221673 | Metal phenates | Robert Robson, Brian Swinney | 1980-09-09 |