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:
Dec. 09, 1997
Filed:
May. 26, 1995
Applicant:
Inventors:
Noel L Bremer, Kent, OH (US);
Linda C Brazdil, Highland Hts., OH (US);
James F Brazdil, Highland Hts., OH (US);
Fernando A Cavalcanti, South Euclid, OH (US);
Assignee:
BP America Inc., Cleveland, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ; B01J / ; B01J / ;
U.S. Cl.
CPC ...
502209 ; 502210 ; 502211 ; 502212 ; 502311 ; 502312 ; 502315 ; 502316 ; 502317 ; 502324 ; 502337 ; 502338 ; 502340 ; 502343 ; 502344 ; 502349 ;
Abstract
Disclosed is a process comprising the heat treatment of certain V and Sb-containing catalysts at a lower temperature than the previous calcination temperature of the base catalyst to improve catalytic performance; the catalysts resulting from such process; and certain oxidation and ammoxidation reactions in the presence of such a catalyst.