Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4418222 | Continuous phenol alkylation process | — | 1983-11-29 |
| 4313680 | Reactor for fast reactions | — | 1982-02-02 |
| 4294714 | Carboxylic acid salt containing deposit control additives and fuel and lube oil compositions containing them | Robert A. Lewis | 1981-10-13 |
| 4289634 | Deposit control additives and fuel and lube oil compositions containing them | Robert A. Lewis | 1981-09-15 |
| 4288612 | Deposit control additives | Robert A. Lewis | 1981-09-08 |
| 4247301 | Deposit control and dispersant additives | — | 1981-01-27 |
| 4236020 | Carbamate deposit control additives | Robert A. Lewis | 1980-11-25 |
| 4233168 | Lubricant compositions containing dispersant additives | Robert A. Lewis | 1980-11-11 |
| 4191537 | Fuel compositions of poly(oxyalkylene) aminocarbamate | Robert A. Lewis | 1980-03-04 |