Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5292897 | Process for preparing halo acetals from enamines | Pierre Chabardes, Lucette Duhamel, Jérôme Emile Georges Guillemont, Jean-Marie Poirier | 1994-03-08 |
| 5266708 | New intermediates, process for their preparation, and their use for the synthesis of vitamins A and E | Pierre F. Charbardes, Lucette Duhamel, Jérôme Emile Georges Guillemont, Jean-Marie Poirier | 1993-11-30 |
| 5250710 | Dihydropyran derivatives, processes for preparation and use | Pierre Chabardes, Lucette Duhamel, Jérôme Emile Georges Guillemont, Jean-Marie Poirier | 1993-10-05 |
| 5208255 | Thioester enantiomeric compounds and their therapeutic uses | Lucette Duhamel, Denis Danvy, Jean-Christophe Plaquevent, Bruno Giros, Claude Gros +2 more | 1993-05-04 |
| 5157133 | Dihydropyran derivatives, processes for preparation and use | Pierre Chabardes, Lucette Duhamel, Jérôme Emile Georges Guillemont, Jean-Marie Poirier | 1992-10-20 |
| 5145972 | Process for preparing halo acetals from enamines | Pierre Chabardes, Lucette Duhamel, Jérôme Emile Georges Guillemont, Jean-Marie Poirier | 1992-09-08 |
| 5136076 | Process for the preparation of amino acid-derived enatiomeric compounds | Lucette Duhamel, Denis Danvy, Jean-Christophe Plaquevent, Bruno Giros, Claude Gros +2 more | 1992-08-04 |
| 5120864 | Intermediates, process for their preparation, and their use for the synthesis of vitamins A and E | Pierre F. Charbardes, Lucette Duhamel, Jérôme Emile Georges Guillemont, Jean-Marie Poirier | 1992-06-09 |
| 5095455 | Binary multiplier circuit with improved inputs | Hedi Hmida | 1992-03-10 |
| 5031038 | Process and device for the compression of image data by mathematical transformation effected at low cost, particularly for the transmission at a reduced rate of sequences of images | Christine Guillemot, Jean-Claude Carlac'h | 1991-07-09 |
| 4985862 | Binary adder circuit with improved inputs | Hedi Hmida | 1991-01-15 |
| 4974186 | Generalized digital multiplier and digital filter using said multiplier | Zhijian Mou, Michel Cand | 1990-11-27 |
| 4920509 | Binary calculation circuit | Hedi Hmida | 1990-04-24 |
| 4900858 | Process for the preparation of a 6-halo-3-methyl-1-trialkylsilyloxy-1,3,5-hexatriene | Lucette Duhamel, Jean-Pierre Lecouve | 1990-02-13 |
| 4876370 | 1,3,5-nonatriene derivatives, their preparation and their use | Lucette Duhamel | 1989-10-24 |
| 4831574 | Device for computing a digital transform of a signal | — | 1989-05-16 |
| 4797847 | Discrete cosine transformer | — | 1989-01-10 |
| 4788344 | Process for the preparation of polyene ethers | Lucette Duhamel, Jean-Pierre Lecouve | 1988-11-29 |
| 4788654 | Device for real time processing of digital signals by convolution | Hendrik D. L. Hollmann | 1988-11-29 |
| 4760193 | Process for the preparation of polyene aldehydes | Lucette Duhamel, Jean-Pierre Lecouve | 1988-07-26 |