Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670642 | Hals phosphoramides as stabilisers | — | 1997-09-23 |
| 5665273 | Hals phosphonites as stabilizers | Michael Rasberger | 1997-09-09 |
| 5654430 | Oligomeric aliphatic HALS phosphites and HALS phosphonites as stabilizers | — | 1997-08-05 |
| 5616780 | Bisphenol ester derivatives | Bernard Gilg | 1997-04-01 |
| 5602196 | Bisphenol ester derivatives | Bernard Gilg | 1997-02-11 |