logo

For the Inventor, By the Inventor

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 5948722 B1

PDFFull Text
Date of Patent:
Sep. 07, 1999

Filed:

Oct. 14, 1997

Method for producing iron-based catalysts

Applicant:
Inventors:

Malvina Farcasiu, Pittsburgh, PA (US);

Phillip B Kaufman, Library, PA (US);

J Rodney Diehl, Pittsburgh, PA (US);

Hendrik Kathrein, McMurray, PA (US);

Assignee:

The United States of America as represented by the United States, , US;

Attorneys:

Soltis; Lisa M.

Dvorscak; Mark P.

Moser; William R.

Primary Examiner:

Steven Bos

Assistant Examiner:

Alexander G Ghyka

Int. Cl.
CPC ...
B01J / ; B01J / ; B01J / ;
U.S. Cl.
CPC ...
502229 ; 502224 ; 502336 ; 502338 ;
Abstract

A method for preparing an acid catalyst having a long shelf-life is provided comprising doping crystalline iron oxides with lattice-compatible metals and heating the now-doped oxide with halogen compounds at elevated temperatures. The invention also provides for a catalyst comprising an iron oxide particle having a predetermined lattice structure, one or more metal dopants for said iron oxide, said dopants having an ionic radius compatible with said lattice structure; and a halogen bound with the iron and the metal dopants on the surface of the particle.

Find Patent Forward Citations

Farcasiu, Malvina. (1999). Method for producing iron-based catalysts (U.S. Patent No. 5948722). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5948722

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

Loading…