Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE35557 | Mineral fibers decomposable in a physiological medium | Sylvie Thelohan, Alain DeMeringo, Wolfgang Holstein | 1997-07-08 |
| 5601628 | Method for the production of mineral wool | Jean A. Battigelli, Guy Berthier, Daniel Sainte-Foi | 1997-02-11 |