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:
Oct. 09, 1979
Filed:
Jan. 03, 1978
Applicant:
Inventors:
Robert J Zagata, Seven Hills, OH (US);
Wilfrid G Shaw, Lyndhurst, OH (US);
David R Woodbury, Bedford Hts., OH (US);
Assignee:
Standard Oil Company (Ohio), , OH (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ; B01J / ; B01J / ;
U.S. Cl.
CPC ...
252437 ; 252456 ; 252458 ; 252459 ; 252464 ; 252465 ; 252468 ; 252469 ;
Abstract
A process for preparing an attrition resistant molybdenum-containing oxidation catalyst comprising; heat-treating the active catalytic components in an oxidizing atmosphere at a temperature in excess of 175.degree. C.; refluxing the heat-treated oxide catalyst in an aqueous slurry of the required amount of support material; ball milling the resulting catalyst mixture; and subjecting the ball milled catalyst to a second heat-treating step in an oxidizing atmosphere, at a temperature in excess of 200.degree. C.