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:
Mar. 14, 2000
Filed:
Apr. 06, 1999
Applicant:
Inventors:
Israel E Wachs, Bridgewater, NJ (US);
Laura E Briand, LaPlata Buenos Aires, AR;
Assignee:
Lehigh University, Bethlehem, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
502 34 ; 502 20 ;
Abstract
The method of the present invention involves in situ regeneration of metal-molybdate catalyst for methanol oxidation to formaldehyde comprising the step of regenerating spent metal-molybdate catalyst with an oxygen-free gas stream comprising methanol and an inert gas for a sufficient time and at an elevated temperature to regenerate the metal-molybdate catalyst.