Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9771537 | Mulitigrade engine oil with improved mini-rotary viscometer results and process for preparing the same | Alex Beringuy Souza, Gerson Vieira Baeta Neves, Luiz Fernando Feijo Lemos, Wanderley Carreira Souza, Jr., Rebecca Elizabeth Brafman | 2017-09-26 |
| 9376642 | Multi-grade engine oil formulations with improved mini-rotary viscometer results | Alex Beringuy Souza, Gerson Vieira Baeta Neves, Luiz Fernando Feijo Lemos, Wanderley Carreira Souza, Jr., Rebecca Elizabeth Brafman | 2016-06-28 |
| 9290713 | Base oil blend upgrading process with a group II base oil to yield improved mini-rotary viscometer results | Alex Beringuy Souza, Gerson Vieira Baeta Neves, Luiz Fernando Feijo Lemos, Wanderley Carreira Souza, Jr., Rebecca Elizabeth Brafman | 2016-03-22 |
| 5405419 | Fuel additive compositions containing an aliphatic amine, a polyolefin and a poly(oxyalkylene) monool | Richard E. Cherpeck, Randy G. Chevalier, Jeffrey J. Toman | 1995-04-11 |