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Anne C Faust, Jean Louis Guth, Frederique Hoffner, Jean Michel Popa: Production of silica-based MFI zeolites. Rhone Poulenc Chimie, Burns Doane Swecker & Mathis, September 21, 1993: US05246688 (36 worldwide citation)

MFI zeolites based on silicon oxide and, optionally, the oxides of titanium, germanium, zirconium and/or tin, are produced by (1) heating an aqueous, homogeneous reaction mixture which comprises (a) an M.sub.2/n SiF.sub.6 complex (I), wherein M is a cation of valency n, optionally, at least one M.su ...


2
Michel Bourgogne, Jean Louis Guth, Raymond Wey: Process for the preparation of synthetic zeolites, and zeolites obtained by said process. Compagnie Francaise de Raffinage, Curtis Morris & Safford, March 5, 1985: US04503024 (31 worldwide citation)

The invention relates to the preparation of synthetic zeolites selected from the group formed by chabazite, merlinoite, edingtonite, ZSM 5 and ZSM 11.


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Eric Benazzi, Jean Louis Guth, Loic Rouleau: IM-5 zeolite, a process for its preparation and catalytic applications thereof. Institut Francais de Petrole, Millen White Zelano & Branigan P C, October 24, 2000: US06136290 (31 worldwide citation)

The invention concerns IM-5 zeolite with a chemical composition with the following formula, expressed in terms of the mole ratios of the oxides for the anhydrous state: 100XO.sub.2,mY.sub.2 O.sub.3, pR.sub.2/n O where m is 10 or less; p is in the range 0 to 20; R represents one or more cations with ...


4
Jean Louis Guth, Zelimir Gabelica: Silica/germanium oxide zeolites. Rhone Poulenc Chimie, Burns Doane Swecker & Mathis, December 6, 1994: US05371307 (29 worldwide citation)

Novel calcined zeolites of MFI type, based on silica and germanium oxide, are well adapted for the catalysis, e.g., of hydrogenolysis, hydrogenation and reforming reactions, and have the general formula:


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Jean Louis Guth, Michel Costantini, Annie Lopez, Jean Michel Popa: Stannozeosilite/zirconozeosilite zeolites and catalytic hydroxylation of phenolics therewith. Rhone Poulenc Chimie, Burns Doane Swecker & Mathis, March 21, 1995: US05399336 (29 worldwide citation)

Calcined silica/oxide zeolites, characteristically MFI stannozeosilites or zirconozeosilites, well adopted for catalyzing the H.sub.2 O.sub.2 hydroxylation of phenols or phenol ethers, have the formula (I):


6
Francois Delprato, Jean Louis Guth, Didier Anglerot, Catherine Zivkov: Synthesis of zeolites of faujasite structure. Societe Nationale Elf Aquitaine, Burgess Ryan and Wayne, March 24, 1992: US05098686 (17 worldwide citation)

A process is provided for the preparation of zeolites belonging to the faujasite structural class and exhibiting a Si:Al ratio higher than 1 in which a reaction mixture is first produced which has a pH higher than 10 and contains water, a source of tetravalent silicon, a source of trivalent aluminum ...


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Martine Anstett, Ronan Le Dred, Jean Louis Guth, Alain Methivier, Christian Streicher: Process for the production of supported zeolite membranes, and zeolite membranes so produced. Institute Francais du Petrole, Millen White Zelano & Branigan P C, October 31, 2000: US06140263 (15 worldwide citation)

A process for the production of a controlled supported zeolite membrane comprises: (a) forming a gel which is principally localised at the surface of a porous support by bringing it into contact, in succession, with two immiscible liquids which contain the agents necessary for formation of said gel, ...


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Joel Patarin, Jean Louis Guth, Henri Kessler, Gisele Coudurier, Francis Raatz: Process for the synthesis of zeolites of the ferrisilicate type, products so obtained. Institut Francais du Petrole, Millen White & Zelano, May 7, 1991: US05013537 (11 worldwide citation)

The invention relates to a novel process for the synthesis of zeolites of the ferrisilicate type called ferrizeosilites, to the products obtained by this process as well as their uses. Ferrizeosilite according to the invention is characterized by (a) a chemical formula close to the following: