Issued Patents All Time
Showing 26–50 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5821397 | Process for the hydrogenation of diolefins in aromatic-rich hydrocarbons using metallic catalysts impregnated with organic sulphur-containing compounds | Jean-Francois Joly, Charles Cameron, Gerard Leger, Pierre Renard, Françoise Montecot | 1998-10-13 |
| 5817227 | Process for the selective reduction to the content of benzene and light unsaturated compounds in a hydrocarbon cut | Paul Mikitenko, Christine Travers, Charles Cameron, Jean-Luc Nocca, Françoise Montecot | 1998-10-06 |
| 5601701 | Process for the elimination of mercury from hydrocarbons by passage over a presulphurated catalyst | Charles Cameron, Patrick Sarrazin, Jean-Paul Boitiaux, Philippe Courty | 1997-02-11 |
| 5531886 | Process for the elimination of arsenic from hydrocarbons by passage over a presulphurated retention mass | Charles Cameron, Patrick Sarrazin, Jean Paul Boitiau, Philippe Courty | 1996-07-02 |
| 5352846 | Process for the production of an olefin-free tert, amyl alkyl ether-rich fraction and a n-pentane rich paraffin fraction | Patrick Sarrazin, Alain Forestiere, Jean-Paul Boitiaux | 1994-10-04 |
| 5306852 | Process for selective hydrogenation, in particular of diolefins in steam cracking volatiles, with a catalyst in the form of beds which are used successively | Patrick Sarrazin, Jean-Paul Boitiaux, Charles Cameron | 1994-04-26 |
| 5059732 | Process for selective catalytic hydrogenation in liquid phase of a normally gaseous feed containing ethylene, acetylene and gasoline | Jean-Paul Boitiaux | 1991-10-22 |
| 4911825 | Process for elimination of mercury and possibly arsenic in hydrocarbons | Michel Roussel, Philippe Courty, Jean-Paul Boitiaux | 1990-03-27 |
| 4849577 | Process for eliminating jointly arsenic and carbon oxysulfide from an unsaturated hydrocarbon cut in the liquid phase | Jean-Paul Boitiaux | 1989-07-18 |
| 4740633 | Process for hydrogenating olefins in the presence of ethers | Jean-Paul Boitiaux, Michel Derrien | 1988-04-26 |
| 4724274 | Process for producing 2-methyl-2-butene from a 5 carbon atom olefins cut containing 2-methyl-1-butene and at least one n-pentene | Jean-Paul Boitiaux, Michel Derrien | 1988-02-09 |
| 4587369 | Selectively hydrogenating acetylenic compounds in a high butadiene content C.sub.4 cut | Jean-Paul Boitiaux | 1986-05-06 |
| 4571442 | Process for selectively hydrogenating acetylene in a mixture of acetylene and ethylene | Jean-Paul Boitiaux | 1986-02-18 |
| 4547600 | Process for selectively hydrogenating acetylenic hydrocarbons of a C.sub.4 hydrocarbon cut containing butadiene | Jean-Paul Boitiaux | 1985-10-15 |
| 4505880 | Process for the hydrodesulfurization and deoxygenation of a gas containing oxygen and organic sulfur compounds | Andre Deschamps, Jean-Francois Le Page, Gerard Hotier | 1985-03-19 |
| 4490481 | Supported palladium-gold catalyst, and its manufacture | Jean-Paul Boitiaux | 1984-12-25 |
| 4463206 | Process for producing benzene by hydrodealkylation of a hydrocarbon fraction comprising alkyl-aromatic hydrocarbons, olefinic hydrocarbons and sulfur compounds | Michel Derrien | 1984-07-31 |
| 4460553 | Process for the hydrodesulfurization of natural gas containing organic sulfur compounds and oxygen | Andre Deschamps, Jean-Francois Le Page | 1984-07-17 |
| 4431574 | Supported group VIII noble metal catalyst and process for making it | Jean-Paul Bournonville, Strinivasan Vasudevan | 1984-02-14 |
| 4423264 | Process for the joint production of highly pure 1-butene and premium gasoline from a C.sub.4 olefinic cut | Bernard Juguin, Jean Miquel | 1983-12-27 |
| 4409410 | Process for selectively hydrogenating a di-olefin in a mixture of hydrocarbons having at least 4 carbon atoms and comprising an .alpha.-olefin | Daniel Durand | 1983-10-11 |
| 4397739 | Process for desulfurizing a catalytic cracking or steam cracking effluent | Yves Jacquin, Chan T. Dinh, Manuel Gimenez-Coronado | 1983-08-09 |
| 4392002 | Process for upgrading olefinic C.sub.4 cuts | Bernard Juguin, Jean-Francois Le Page, Jean Miquel | 1983-07-05 |
| 4361422 | Hydrogenation and etherification of an unsaturated C.sub.5 hydrocarbon cut to increase its octane number and decrease its mono-olefin content | Michel Derrien, Bernard Torck | 1982-11-30 |
| 4347392 | Process for the selective hydrogenation of a hydrocarbon fraction with 2 or 3 carbon atoms per molecule | Daniel Durand, Gerard Leger | 1982-08-31 |