Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6251227 | Catalytic and adsorptive-processes using containers for solid granular materials | — | 2001-06-26 |
| 5866388 | Containers for solid granular materials manufacture thereof and use for catalyst purposes and adsorption | — | 1999-02-02 |
| 5545746 | Method for recovery of alkali metal or alkaline-earth metal terephthalate and of alkylene glycol from polyethylene terephthalates | Francois Dawans, Bruno Durif-Varambon, Jean-Bernard Gaillard | 1996-08-13 |
| 5254666 | Process for production of alkaline or alkaline-earth metal terephthalate or of terephthalic acid, of high purity, from polyol polyterephthalate and in particular from waste of an ethylene gylcol polyterephthalate | — | 1993-10-19 |