11
Philippe Renault, Serge Falcon, Jean Claude Chavin, Andre Deschamps: Process for regenerating volatile bases and volatile acids from the salts formed therewith. Institut Francais du Petrole des Carburants et, Craig Antonelli Stewart & Hill, November 16, 1971: US3620674 (9 worldwide citation)

A two-stage process for regenerating volative bases B' and weak volatile acids A' from their salts which comprises contacting, in a first stage, the salt with an organic base B of low volatility to liberate the volatile base B' in a gaseous form and liberating the weak volatile acid A' in gaseous fo ...


12
Andre Deschamps, Claude Dezael, Michel Roussel: Process for removing sulfur oxides from a gas by means of an absorption mass regenerable by reaction with hydrogen sulfide. Institut Francais du Petrole, Millen & White, February 16, 1988: US04725417 (8 worldwide citation)

The invention concerns a process for removing sulfur oxides and particularly sulfur dioxide contained in such gases as industrial fumes, wherein said gas is contacted with a solid absorbent containing magnesium oxide and at least one group VIII noble metal, in such conditions that the sulfur oxides ...


13
Andre Sugier, Philippe Courty, Andre Deschamps, Henri Gruhier: Process for oxidizing sulfur and sulfur compounds. Institut Francais du Petrole, Millen & White, July 7, 1981: US04277458 (7 worldwide citation)

A gas containing carbon oxysulfide or carbon disulfide is passed in admixture with oxygen through a catalyst formed of a carrier, vanadium oxide and silver, the proportion of iron oxide, if any, being lower than 1% by weight. The amount of vanadium oxide may be 0.5 to 10% by weight and that of silve ...


14
Andre Deschamps, Georges Faye: Production of fine grained ferrite bodies. Societe Lignes Telegraphiques et Telephoniques, Kemon Palmer & Estabrook, May 11, 1976: US03956440 (7 worldwide citation)

The small dimension (inferior to one micrometer) of the grains of oxydes obtained by chemical precipitation is retained during the processing of the ferrimagnetic part through precise stoichiometry, cold isostatic pressing and sintering under vacuum at a temperature below 1400.degree.C and for a dur ...


15
Andre Deschamps, Sigismond Franckowiak, Jean Francois Le Page: Process for converting heavy oils or petroleum residues to gaseous and distillable hydrocarbons. Institut Francais du Petrole, Millen & White, September 20, 1983: US04405442 (6 worldwide citation)

This process for converting a charge of heavy oils or petroleum residues to gaseous and distillable hydrocarbons comprises the steps of (a) admixing said charge with a first hydrogenated recycle oil obtained in a subsequent step of the process, heating the mixture to 350.degree.-450.degree. C., admi ...


16

17
Andre Deschamps, Claude Dezael, Claude Roux Guerraz, Christine Travers: Process and catalyst for selective reduction of nitrogen oxides. Institut Francais du Petrole, Millen White & Zela, October 22, 1991: US05059569 (5 worldwide citation)

The invention concerns, on one hand, a new zeolitic catalytic composition which comprises a small-pore mordenite present in the form of needles, exchanged with at least one metal chosen from the group consisting of cooper, vanadium, tungsten, iron, colbalt and molybdenum, and on the other hand, use ...


18
Andre Deschamps, Jean Cosyns, Jean Francois Le Page, Gerard Hotier: Process for the hydrodesulfurization and deoxygenation of a gas containing oxygen and organic sulfur compounds. Institut Francais du Petrole, Millen & White, March 19, 1985: US04505880 (5 worldwide citation)

Process for hydrodesulfurizing and deoxygenating a gas (A) comprising methane, oxygen and at least one organic sulfur compound, said process comprising contacting a mixture of said gas (A) with a hydrogen-containing gas (B) first with a palladium-containing catalyst, at a temperature of 300.degree.- ...


19
Andre Deschamps, Sigismond Franckowiak, Serge Leporq: Process for removing sulfur oxides from a gas by means of an absorption mass regenerable by reaction with elemental sulfur. Institut Francais du Petrole, Millen White & Zelano, August 8, 1989: US04855117 (5 worldwide citation)

The invention relates to a process for removing sulfur oxides, particularly sulfur dioxide, contained in gases such as industrial fumes, characterized in that the gas is contacted with a solid absorbent containing magnesium oxide, in such conditions that sulfur oxides are fixed mainly as magnesium s ...


20
Andre Deschamps, Jean Cosyns, Jean Francois Le Page: Process for the hydrodesulfurization of natural gas containing organic sulfur compounds and oxygen. Institut Francais du Petrole, Millen and White, July 17, 1984: US04460553 (4 worldwide citation)

Process for hydrodesulfurizing a gas comprising together methane, at least one organic sulfur compound and oxygen, characterized by the step of passing a mixture of said gas with a hydrogen containing gas on a palladium catalyst at a temperature of 300.degree. to 450.degree. C.