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.:
Date of Patent:
Jun. 22, 1976
Filed:
Aug. 01, 1974
Applicant:
Inventors:
Harold E Manning, Houston, TX (US);
Michael C Ellis, Houston, TX (US);
Assignee:
Petro-Tex Chemical Corporation, Houston, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ; B01J / ;
U.S. Cl.
CPC ...
252465 ; 252467 ; 252468 ; 252470 ;
Abstract
Metal chromite dehydrogenation catalysts are made by preparing an aqueous solution of CrO.sub.3, dissolving a second metal compound, such as MgO, therein adding a reducing agent, precipitating a substantially insoluble oxide of Mg and Cr, recovering the precipitate and calcining it to produce a Mg chromite dehydrogenation catalyst.