Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5053541 | Process for the preparation of N-allyl-meta-trifluoromethyl aniline | Yves Beziat, Henri-Jean Cristau, Serge Ratton | 1991-10-01 |
| 5026926 | Chlorination of ortho-chlorophenol | Jean-Claude Leblanc, Serge Ratton, Bernard Besson | 1991-06-25 |
| 4983781 | Process for the preparation of 4,4'-dibromobiphenyl in a solvent medium and with a catalyst | Alain Nonn | 1991-01-08 |
| 4956496 | Process for allylation of perhaloalkyl-, perhaloalkoxy- and perhaloalkylthioanilines in the presence of a catalyst | Jean-Pierre Denis, Jean-Pierre Lecouve | 1990-09-11 |
| 4954662 | Selective chlorination of ortho-substituted phenols | Bernard Besson, Isabelle Jouve | 1990-09-04 |
| 4946983 | Process for the acylation of N,N-diallylaniline or a mixture of N,N-diallylaniline and N-allylaniline | Jean-Pierre Denis, Jean-Pierre Lecouve | 1990-08-07 |
| 4891452 | Process for the preparation of hydroxybiphenyls | Alain Nonn | 1990-01-02 |
| 4885408 | Chlorination of ortho-substituted phenols | Serge Ratton | 1989-12-05 |
| 4855513 | Chlorination of phenolic compounds | Bernard Besson, Isabelle Jouve | 1989-08-08 |
| 4853153 | Stabilization of mixtures of chlorination of phenol/chlorophenols | Serge Ratton | 1989-08-01 |
| 4827047 | Chlorination of nitrophenols | Isabelle Jouve | 1989-05-02 |
| 4822922 | Stabilization of mixtures of chlorination of phenol/chlorophenols | Serge Ratton | 1989-04-18 |
| 4756725 | Trapping tube adapted to be fitted at the outlet of a gas chromatograph and device for supporting and presenting such a tube | Jean-Paul Badey, Michel Dumont | 1988-07-12 |
| 4503239 | Process for the preparation of ethylenic halogenoacetals | — | 1985-03-05 |