Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354948 | Lubricating varnishes having a graphite fluoride base and method of preparing same | Michel Rebiffe | 1982-10-19 |
| 4314907 | Oil additive compositions for internal combustion engines | Francis Defretin, Jean-Paul Eudeline, Alain Voisin | 1982-02-09 |