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. 13, 1988
Filed:
Jul. 27, 1987
Applicant:
Inventors:
Wilheim Gruber, Darmstadt, DE;
Klaus Langerbeins, Langen, DE;
Wolfgang Ruppert, Seeheim-Jugenheim, DE;
Assignee:
Rohm GmbH, Darmstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
502 52 ; 502 38 ; 560214 ; 562535 ; 562599 ;
Abstract
Method for regenerating catalysts containing molybdenum, phosphorus, and vanadium in oxidic association and useful for the oxydehydrogenation of isobutyric acid or its lower esters to form methacrylic acid or its lower esters, by oxidizing the spent catalyst with an oxygen containing gas at temperatures from 200.degree. C. to 400.degree. C., suitably intermittently and in alternation with oxydehydrogenation.
Quick Actions:
Gruber, Wilheim. (1988). Oxidative catalyst regeneration (U.S. Patent No. 4791080). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4791080
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile