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:
Sep. 17, 2002
Filed:
Jun. 27, 1997
Maria Strada Friedrich, Lyndhurst, OH (US);
Michael J. Seely, Twinsburg, OH (US);
Dev Dhanaraj Suresh, Hudson, OH (US);
The Standard Oil Company, Chicago, IL (US);
Abstract
A process for the preparation of a promoted VSbO catalyst comprising mixing a vanadium compound, at least a first portion of an antimony compound, and at least a portion of the support material to form a slurry, heating the slurry to remove the water, calcining the dried slurry to form a catalyst precursor, combining the catalyst precursor with a second aqueous sol containing the remaining portion of the support material and the remaining portion of the antimony compound to form a second slurry, drying the second slurry to remove the water and calcining the dried mixture to form the finished catalyst.