Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12258312 | Carbonyl compounds, methods for preparing same and uses thereof | Marc Lemaire, Luc Mathis, Estelle Metay | 2025-03-25 |
| 6235949 | Process for the preparation of halogenated derivatives and Lewis acid base catalysts thereof | Herve Garcia, Laurent Gilbert, Christophe Rochin | 2001-05-22 |
| 5260475 | Esterification of hydroxybenzoic acids | Jean-Roger Desmurs | 1993-11-09 |
| 5206407 | Process for the preparation of secondary of tertiary dialkyl dicarbonate | Jean-Roger Desmurs | 1993-04-27 |
| 5189218 | Preparation of n-phenylbenzoquinone-imine and converting same into p-phenylenediamines | Jean-Roger Desmurs, Hubert Kempf, Dominique Stephan | 1993-02-23 |
| 5183928 | Preparation of hydroquinone monocarboxylates | — | 1993-02-02 |
| 5053541 | Process for the preparation of N-allyl-meta-trifluoromethyl aniline | Yves Beziat, Henri-Jean Cristau, Jean-Roger Desmurs | 1991-10-01 |
| 5030769 | Continuous direct preparation of nitrophenols | Michel Baudouin, Jean-Luc Bougeois, Jean-Pierre Lecouve | 1991-07-09 |
| 5026926 | Chlorination of ortho-chlorophenol | Jean-Claude Leblanc, Bernard Besson, Jean-Roger Desmurs | 1991-06-25 |
| 4885408 | Chlorination of ortho-substituted phenols | Jean-Roger Desmurs | 1989-12-05 |
| 4876396 | Selective chlorination of phenols | Jean-Claude Leblanc | 1989-10-24 |
| 4853153 | Stabilization of mixtures of chlorination of phenol/chlorophenols | Jean-Roger Desmurs | 1989-08-01 |
| 4851566 | Process for producing organic compounds containing an alkoxyalkylidene group | — | 1989-07-25 |
| 4822922 | Stabilization of mixtures of chlorination of phenol/chlorophenols | Jean-Roger Desmurs | 1989-04-18 |
| 4738796 | Process for preparing organic compounds containing an alkoxyalkylidene group | — | 1988-04-19 |
| 4727182 | Preparation of monohalohydroquinone monocarboxylates/dicarboxylates | — | 1988-02-23 |
| 4723043 | Nitration of phenolic compounds | — | 1988-02-02 |
| 4683346 | Selective preparation of monohalohydroquinones | — | 1987-07-28 |
| 4551557 | Bromination of substituted benzaldehydes | Jean-Luc Bougeois | 1985-11-05 |
| 4551558 | Bromination of substituted benzaldehydes | Jean-Luc Bougeois | 1985-11-05 |
| 4508922 | Process for the preparation of optionally halogenated anilines | — | 1985-04-02 |
| 4487975 | Etherification of phenols | — | 1984-12-11 |
| 4473713 | Hydrolysis of aryl-aliphatic ethers | — | 1984-09-25 |
| 4275003 | Preparation of aromatic azoamines by diazotization/coupling/rearrangement of aromatic amines | Bernard Botannet | 1981-06-23 |
| 4269767 | Diazotization of aromatic amines | — | 1981-05-26 |