Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9399618 | High purity electrolytic sulfonic acid solutions | Nicholas M. Martyak, Martin Nosowitz, Gary S. Smith, Patrick K. Janney | 2016-07-26 |
| 7128890 | Purification of hydrochloric acid obtained as by-product in the synthesis of methanesulfonic acid | — | 2006-10-31 |
| 6252065 | Process for the preparation of lactams from the corresponding cycloalkanone oximes | — | 2001-06-26 |
| 6190635 | Purification of the hydrochloric acid by-product of the synthesis of methanesulphonic acid | Rene Clair, Denise Molines, Marc Ferrigno | 2001-02-20 |
| 6045664 | Process for the photochemical sulphochlorination of gaseous alkanes | — | 2000-04-04 |
| 5801283 | Process for the purification of an alkanesulphonyl chloride and of the corresponding alkanesulphonic acid | Annie Commarieu | 1998-09-01 |
| 5719316 | Process for the preparation of lauryllactam by photonitrosation of cyclododecane in the presence of trichloronitrosomethane | — | 1998-02-17 |
| 5712357 | Method for metathetically preparing sulphur containing polymers or organic compounds | Jean-Marie Basset, Jean-Luc Couturier, Michel Leconte, Katsumi Tanaka | 1998-01-27 |
| 5698830 | Process for the preparation of alkanesulphonic acids | Sylvie Lacombe | 1997-12-16 |
| 5608103 | Preparation of alkanesulphonic acids by photooxidation of sulpher-containing derivatives | Evelyne Banchereau, Sylvie Lacombe | 1997-03-04 |
| 5159112 | Process of the production of alkanesulfonamides | Michele Larrouy | 1992-10-27 |
| 4861848 | Polymerization of unsaturated hydrocarbons with an induction period | Jean-Marie Basset, Michel Leconte, Francoise Quignard | 1989-08-29 |
| 4859373 | Process for the production of alkanesulphonic acids | Christian H. Lagaude, Hubert Baptiste, Michele Larrouy | 1989-08-22 |
| 4837188 | Catalytic systems having extended duration and conservation for the metathesis of olefins | Jean-Paul Laval, Michel Leconte, Emile Perez, Francoise Quignard, Isabelle Rico | 1989-06-06 |
| 4735747 | Process and apparatus for the photochemical sulphochlorination of gaseous alkanes | Hubert Baptiste, Christian H. Lagaude, Michele Larrouy | 1988-04-05 |
| 4654462 | Metathesis of olefins with a catalyst based upon a tungsten complex | Jean-Marie Basset, Michel Leconte, Francoise Quignard | 1987-03-31 |
| 4639429 | Catalyst for the metathesis of olefins | Jean-Marie Basset, Michel Leconte, Francoise Quignard | 1987-01-27 |
| 4550216 | Catalyst for the metathesis of olefins | Jean-Marie Basset, Michel Leconte, Francoise Quignard | 1985-10-29 |
| 4452678 | Process and apparatus for the photochemical production of halogeno-alkanes and cycloalkanes | — | 1984-06-05 |
| 4443310 | Photoinitiated synthesis of mercaptans | Emmanuel Arretz, Claude Landoussy, Alfred Mirassou | 1984-04-17 |
| 4311845 | Process for the preparation of thieno[3,2-c]pyridine | Emile Braye | 1982-01-19 |
| 4233128 | Photosynthesis of mercaptans | Guy Souloumiac, Jeannine Suberlucq | 1980-11-11 |