Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D531465 | Non-electric household food slicer | — | 2006-11-07 |
| 6605265 | Continuous production of azines/hydrazine hydrate | Jean-Pierre Schirmann, Jean-Pierre Pleuvry | 2003-08-12 |
| 5393508 | Vaporization of solutions of hydrazine hydrate | Gerard Krempf, Bertrand Collier, Jean-Pierre Pleuvry | 1995-02-28 |
| 5352826 | Synthesis of acyl cyanides in an anhydrous reaction medium | Michel Devic | 1994-10-04 |
| 5352827 | Synthesis of acyl cyanides in a hydrous reaction medium | Michel Devic | 1994-10-04 |
| 5252309 | Azine synthesis in the absence of CO.sub.2 | Gerard Krempf, Bertrand Collier, Jean-Pierre Schirmann | 1993-10-12 |
| 5239119 | Catalytic synthesis of azines from H.sub.2 O.sub.2 /NH.sub.3 /carbonyl compounds | Jean-Pierre Schirmann | 1993-08-24 |
| 4451333 | Process for cooking lignocellulosic materials intended for the production of paper pulp with 1,2,3,4-tetrahydro-9,10-anthracenediol | Lucien Bourson, Serge Y. Delavarenne | 1984-05-29 |
| 4365100 | Process for the preparation of 1,2,3,4-tetrahydro-9,10-anthracene-diol | Serge Y. Delavarenne | 1982-12-21 |
| 4335050 | Process for the preparation of the 5- and 6-nitro derivatives of 1,2,3,4-tetrahydro-anthraquinone from 1,2,3,4,4a,9a-hexahydro-9,10-anthracene-dione | Serge Y. Delavarenne | 1982-06-15 |
| 4297288 | 5-Amino-1,2,3,4-tetrahydroanthraquinone and its preparation | Serge Y. Delavarenne, Bernard Dubreux | 1981-10-27 |
| 4283345 | Process for the preparation of mononitro-1,2,3,4-tetrahydroanthraquinones | Serge Y. Delavarenne, Bernard Dubreux | 1981-08-11 |
| 4235666 | 1,2,3,4,4a,9a-Hexahydro-9,10-anthracene-dione, its preparation and its application to the delignification of lignocellulosic materials | Lucien Bourson, Serge Y. Delavarenne | 1980-11-25 |