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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7851401 B1

PDFFull Text
Expired
Date of Patent:
Dec. 14, 2010

Filed:

Jul. 01, 2003

Tungsten catalysts

Applicants:

Francois Figueras, Lyons, FR;

Nadine Essayem, Saint Just Chaleyssin, FR;

Cyril Feche, Villeurbanne, FR;

Stephane Loridant, Meyzieu, FR;

Jorge Palomeque, Tlanep, MX;

Georges Gelbard, Caluire, FR;

Inventors:

Francois Figueras, Lyons, FR;

Nadine Essayem, Saint Just Chaleyssin, FR;

Cyril Feche, Villeurbanne, FR;

Stephane Loridant, Meyzieu, FR;

Jorge Palomeque, Tlanep, MX;

Georges Gelbard, Caluire, FR;

Assignee:

Centre National de la Recherche Scientifique (C.N.R.S.), Paris, FR;

Attorney:

Young & Thompson

Primary Examiner:

Jerry Lorengo

Assistant Examiner:

Jennifer A Smith

Int. Cl.
CPC ...
B01J 23/00 (2006.01); B01J 8/00 (2006.01); C10G 17/00 (2006.01); C10G 45/00 (2006.01); C10G 45/04 (2006.01); C10G 45/60 (2006.01); C10G 29/00 (2006.01); B01D 53/48 (2006.01); B01D 53/56 (2006.01); C01B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention concerns solids comprising a single tungsten oxide layer on a zirconia support and/or titanium dioxide support, characterized in that the tungsten exhibits tetrahedral co-ordination, before and after calcining. The invention also concerns the method for preparing the solids, and their uses as acid catalysis reactions catalyst.

Find Patent Forward Citations

Figueras, Francois. (2010). Tungsten catalysts (U.S. Patent No. 7851401). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7851401

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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