1
Jean-luc Dubois
Jean Luc DuBois, Edmond Payen, Michel Fournier, Pascal Blanchard, Anne Griboval: Process for preparing water-treatment catalysts. Elf Antar France, Burgess Ryan & Wayne, July 18, 2000: US06090745 (8 worldwide citation)

The invention provides a method for preparing catalysts, containing metals of groups VI and VIII on a carrier. The metals of groups VI and VIII metals are introduced in the form of a compound of formula M.sub.x A B.sub.12 O.sub.40 in which M is cobalt and/or nickel, A is phosphorus, silicon and/or b ...


2
Claude Alain Saby, Philippe Ricoux: Method for correcting a signal delivered by a measuring instrument. Elf Antar France, Oblon Spivak McClelland Maier & Neustadt P C, January 13, 1998: US05708593 (65 worldwide citation)

A method for correcting a signal delivered by a slave measuring instrument with respect to a reference signal delivered by a master measuring instrument of the same type involved in the analyzing of the same product includes the provision of standardization signals delivered by both the slave instru ...


3
Bernard Fixari, Pierre Le Perchec, Jeanne Elmouchnino, Frederic Morel, Martine Boulinguiez: Liquid phase catalytic hydrocarbon hydroconversion with polyaromatic additive. Institut Francais du Petrole, Elf Antar France, Millen White Zelano & Branigan, October 24, 1995: US05460714 (32 worldwide citation)

The invention involves the liquid phase hydroconversion of hydrocarbon charges containing heavy fractions, and more particularly their deep conversion, in which the charge is contacted with a dispersed catalyst in the presence of a polyaromatic additive. The catalyst is a sulfide of a hydrogenating ...


4
Laurent Germanaud, Jean Pascal Planche, Patrick Turello: Preparation of bitumen/polymer compositions and use thereof. Elf Antar France, Burgess Ryan and Wayne, April 8, 1997: US05618862 (27 worldwide citation)

Bitumen/polymer compositions with a broadened plasticity range are produced by stirring together a bitumen or bitumen mixture and a sulphur-cross-linkable elastomer as well as a sulphur-donating coupling agent at 100.degree.-230.degree. C. to give a cross-lined bitumen/polymer composition, stirring ...


5
Jean Pascal Planche, Annie Zins, Claude Lacour: Process for the preparation of polymer/bitumen compositions and their use in coatings. Elf Antar France, Burgess Ryan & Wayne, July 11, 2000: US06087420 (25 worldwide citation)

The invention provides a method for producing bitumen/polymer compositions which consists of contacting, between 100.degree. C. and 230.degree. C. and under agitation, a bitumen or a mixture of bitumens with at least one styrene and butadiene copolymer having a global butadiene content ranging betwe ...


6
Francois Pierre Navarre, Bernard Bossand, Pierre Girard, Joseph Dussaud: Filled paper for gas filtration. Elf Antar France, Ahlstrom, Oblon Spivak McClelland Maier & Neustadt P C, October 12, 1999: US05965091 (23 worldwide citation)

The present invention relates to a filled paper for gas filtration, with a high adsorption and absorption capacity. This paper, consisting of cellulose fibers, is filled with organic and/or inorganic powders adapted in quantity and in quality to the gas to be treated.


7
Alain Haupais, Philippe Schulz, Pascal Brochette: Emulsified fuel and one method for preparing same. Elf Antar France, Dennison Scheiner Schultz & Wakeman, May 30, 2000: US06068670 (22 worldwide citation)

A novel fuel which is an emulsion of water in at least one hydrocarbon, and which contains an emulsifying system containing at least one sorbitol ester, at least one fatty acid ester and at least one polyalkoxylated alkylphenol. The system has an overall HLB of between 6 and 8, and the emulsion cont ...


8
Laurent Germanaud, Jean Pascal Planche, Trung Kiet Phung: Non-gellable bitumen/polymer compositions. Elf Antar France, Burgess Ryan & Wayne, May 26, 1998: US05756565 (21 worldwide citation)

Non-gellable, high temperature storage-stable bitumen/polymer compositions are provided and which are produced by stirring a sulphur-cross-linkable elastomer, an antigelling adjuvant and a sulphur-donating coupling agent into a bitumen or bitumen mixture at 100.degree.-230.degree. C. The antigelling ...


9
Jean Pascal Planche, Patrick Turello, Claude Lacour: Method for preparing bitumen/polymer compositions and use thereof. ELF Antar France, Burgess Ryan & Wayne, January 4, 2000: US06011095 (20 worldwide citation)

Bitumen/polymer compositions are produced by contacting, between 100.degree. C. and 230.degree. C., under agitation, one bitumen or a mixture of bitumens with at least one olefinic polymer bearing epoxy or COOH groupings, then by incorporating in the product, an acid additive while the whole mixture ...


10
Pierre Chaverot, Claude Lacour: Bitumen/polymer component making it possible to obtain bitumen/polymer compositions with very low thermal sensitivity, capable of being employed for the production of surfacings. Elf Antar France, Burgess Ryan & Wayne, May 24, 1994: US05314935 (18 worldwide citation)

A bitumen/polymer component of the type consisting of a hydrocarbon matrix is provided in which a sulphur-crosslinked elastomer is distributed homogeneously in a quantity such that it presents 5% to 20% by weight of the bitumen/polymer component. The component exhibits a penetration, determined acco ...