Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6987191 | Process for the production of N-methyl pyrrolidone using gamma butyrolactone and mixed methylamines as starting materials | Salvatore Cassarino, Philippe Raucq | 2006-01-17 |
| 6979752 | Continuous process for converting polytetramethylene ether diester to polytetramethylene ether glycol | Salvatore Cassarino, Myriam Hobe | 2005-12-27 |
| 6433193 | Process to afford gamma butyrolactone and tetrahydrofuran | Take Constantinescu, Philippe Raucq, Salvatore Cassarino | 2002-08-13 |
| 6392088 | Process for the production of dimethylesters of unsaturated dicarboxylic anhydrides | Myriam Hobe | 2002-05-21 |
| 6288245 | Process for the production of tetrahydrofuran and gammabutyrolactone | — | 2001-09-11 |
| 6248906 | Process for the production of tetrahydrofuran, gammabutyrolactone and butanediol | — | 2001-06-19 |
| 6248902 | Process for the production of N-methyl pyrrolidone | — | 2001-06-19 |
| 6191322 | Process for the production of butanediol by liquid phase hydrogenation | — | 2001-02-20 |
| 6174833 | Process for the preparation of improved vanadium-phosphorus catalysts and use thereof for the production of maleic anhydride | Salvatore Cassarino, Veron Nsunda | 2001-01-16 |
| 6040460 | High productivity process to produce maleic anhydride from n-butane | Salvatore Cassarino | 2000-03-21 |
| 5069687 | Process of recovery of maleic anhydride from reaction gaseous mixtures | Roberto Ruggieri | 1991-12-03 |