1
Andre Ciais, Gilles Variot: Device and installations for the distillation by thin layer evaporation particularly of hydrocarbons, and process for operating this device. Elf France, Burgess Ryan & Wayne, April 22, 1986: US04584064 (49 worldwide citation)

The present invention concerns a process for the thin layer evaporation of liquid in which the thin layer to be evaporated is formed by centrifugation.


2
Paul Maldonado, Daniele Eber, Trung Kiet Phung: Process for preparation of compositions of bitumen polymers and products. Elf France, Burgess Ryan and Wayne, May 18, 1982: US04330449 (45 worldwide citation)

A method of preparation of polymer-asphalt (bitumen) compositions which comprises mixing, with agitation, at a temperature of 130.degree. to 230.degree. C., 80 to 98% by weight of an asphalt having a penetration between 30 to 220, and 2 to 20% by weight of a polyblock copolymer of a styrene-carboxyl ...


3
Francoise Guth, Henri Kessler, Thierry Des Courieres: Process for the synthesis of precursors of molecular sieves of the silicoaluminophosphate type, precursors obtained and their application to obtaining the said molecular sieves. Elf France, Burgess Ryan and Wayne, March 17, 1992: US05096684 (42 worldwide citation)

Process for the synthesis of precursors of molecular sieves of the silicoaluminophosphate type by heating to .gtoreq.100.degree. C. under autogenous pressure a reaction mixture containing sources of silicon, aluminum and phosphorus in the presence of an organic structuring agent and of hydrofluoric ...


4
Jean Rene Bernard, Michele Breysse: Catalyst for production of aromatic hydrocarbons and process for preparation. Elf France, Burgess Ryan & Wayne, November 22, 1983: US04416806 (39 worldwide citation)

Monofunctional dehydrocyclization catalyst of paraffins, characterized in that it contains: 0.1 to 1.5% platinum, o.1 to 1.5% rhenium incorporated in the form of carbonyl, a small proportion of sulphur introduced by a sulphur compound reducible or decomposable by hydrogen such that the ratio x of th ...


5
Dang Vu Quang, Pierre Amigues, Jean Ferdinand Gaillard, Jacques Leonard, Jean Luc Nocca: Process for manufacturing a tertiary alkyl ether by reactive distillation. Institut Francais du Petrole, Elf France, Millen White & Zelano, July 11, 1989: US04847430 (39 worldwide citation)

The invention concerns a process for manufacturing methyl tert-butyl ether (MTBE) by reacting methanol with an isobutene-containing hydrocarbon mixture.


6
Jean Rene Bernard, Michele Breysse: Process for the dehydrocyclization of paraffins at low pressure. Elf France, Burgess Ryan & Wayne, November 22, 1983: US04417083 (34 worldwide citation)

A process for the production of aromatic hydrocarbons from petroleum fractions containing paraffins which comprises passing said charge in the presence of hydrogen at 400.degree. C.-550.degree. C. over a catalyst containing from 0.1 to 1.5% by weight of at least one metal selected from the group con ...


7
Germain Hagenbach, Paul Maldonado, Jacques Maurice: Process for preparing bitumen-polymer compositions, application of these compositions of the obtention of coverings and mother solution of polymer usable for the obtention of the said compositions. Societe Anonyme dite Elf France, Burgess Ryan & Wayne, November 19, 1985: US04554313 (28 worldwide citation)

Bitumen-polymer compositions are prepared, by mixing, at between 130.degree. C. and 230.degree. C., a bitumen with a styrene and conjugated diene copolymer and a sulphur source, the copolymer and the sulphur source being added to the bitumen either directly, or in the form of a mother solution in a ...


8
Daniel Trema: Suspension and steering control device for motorcycle. Elf France, Burgess Ryan & Wayne, July 12, 1988: US04756547 (25 worldwide citation)

Suspension and steering device for a motorcycle front wheel carried by at least one support arm connected at its upper end to a suspension and shock absorber block wherein a handlebar or wheel is rotatively mounted on a vertical axis of a peak and is rotationally mounted around an axis at the upper ...


9
Jean Luc Nocca, Jacques Leonard, Jean Ferdinand Gaillard, Pierre Amigues: Process for manufacturing a tertiary alkyl ether by reactive distillation. Institut Francais du Petrole, Elf France, Millen White & Zelano, July 11, 1989: US04847431 (25 worldwide citation)

Process for manufacturing methyl tert-butyl ether (MTBE) by reacting methanol with isobutene-containing hydrocarbons in a reaction zone comprising alternate beds of sulfonated resin catalyst and catalyst-free distillation zones, said zones also comprising liquid redistribution plates.


10
Germain Hagenbach, Paul Maldonado, Jacques Maurice: Process for preparing bitumen-polymer compositions, application to these compositions of the obtention of coverings and mother solution of polymer usable for the obtention of the said compositions. Elf France, Burgess Ryan & Wayne, January 28, 1986: US04567222 (24 worldwide citation)

Bitumen-polymer compositions are prepared, by mixing, at between 130.degree. C. and 230.degree. C., a bitumen with a styrene and conjugated diene copolymer and a sulphur source, the copolymer and the sulphur source being added to the bitumen either directly, or in the form of a mother solution in a ...