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:
Jan. 06, 1998
Filed:
Oct. 31, 1995
Applicant:
Inventors:
James E Lyons, Wallingford, PA (US);
Paul E Ellis, Jr, Downingtown, PA (US);
Swati Karmakar, Norristown, PA (US);
Shahid N Shaikh, Media, PA (US);
Assignee:
Sun Company, Inc. (R&M), Philadelphia, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562549 ;
Abstract
Alkanes are converted to unsaturated carboxylic acids by contacting an alkane with an oxidizing agent and a heteropolyacid or polyoxoanion comprising (1) at least 9 atoms of a first framework metal or metals comprising molybdenum, tungsten or vanadium or combinations thereof and (2) 1 to 3 atoms of a second framework metal or metals comprising zinc or a transition metal different from the first framework metal.