Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672646 | Stabilizing composition for chlorine-containing polymer comprising .beta.-diketones | Michel Allas, Serge Chassaing, Gilles Mur | 1997-09-30 |
| 5663222 | Piperidyl organosiloxanes and polymer substrates light-stabilized therewith | Sylvie Lavault | 1997-09-02 |