Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6288006 | Method for pre-sulphurization of catalysts | — | 2001-09-11 |
| 5973080 | Process for the preparation of resins with a primary amine or guanidine function, and resins thus obtained | Pierre Le Perchec, Marie Abiuso | 1999-10-26 |
| 5919971 | Process for the synthesis of 3-mercaptopropionic acid esters | — | 1999-07-06 |
| 5877349 | Process for the synthesis of 3-mercaptopropionic acid | — | 1999-03-02 |
| 5817716 | Resins with a primary amine or guanidine function | Pierre Le Perchec, Marie Abiuso | 1998-10-06 |
| 5786511 | Process for the preparation of organic disulphides and polysulphides in the presence of polystyrene-divinyl-benzene possessing primary amine groups | — | 1998-07-28 |
| 5767229 | Process for the preparation of organic disulphides and polysulphides in the presence of polystyrene-divinyl-benzene (PS-DVB) resins possessing guanidine or amidine groups | Frédéric Lopez | 1998-06-16 |
| 5726253 | Process for the preparation of resins with a primary amine or guanidine function, and resins thus obtained | Pierre Le Perchec, Marie Abiuso | 1998-03-10 |
| 5493058 | Synthesis of methyl mercaptan from dimethyl disulphide | Emmanuel Cadot, Michel Lacroix, Annie Commarieu | 1996-02-20 |
| 5442123 | Process for selectively preparing organic trisulfides | Glenn T. Carroll, Roger T. Clark | 1995-08-15 |
| 5312993 | Process for the manufacture of dimethyl disulphide | — | 1994-05-17 |
| 5068445 | Process for the preparation of organic disulphides and polysulphides | — | 1991-11-26 |
| 4985586 | Process for the preparation of mercaptoalcohols | Patrick Auge, Alfred Mirassou, Claude Landoussy | 1991-01-15 |
| 4943662 | Process for preparation of dithiols | — | 1990-07-24 |
| 4927972 | Catalytic process for the production of mercaptans from thioethers | — | 1990-05-22 |
| 4891445 | Synthesis of tertiary mercaptans from isobutylene homopolymers | — | 1990-01-02 |
| 4565893 | Process of synthesis of mercaptans from olefins and hydrogen sulphide by heterogeneous catalysis | Alfred Mirassou, Claude Landoussy, Patrick Auge | 1986-01-21 |
| 4507505 | Production of 2-mercapto ethanol-1 | — | 1985-03-26 |
| 4443310 | Photoinitiated synthesis of mercaptans | Claude Landoussy, Alfred Mirassou, Jean Ollivier | 1984-04-17 |