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:
Aug. 28, 1990
Filed:
Sep. 01, 1989
Applicant:
Inventors:
William A Heckle, Pensacola, FL (US);
Marion J Mathews, III, Pensacola, FL (US);
P Robert Peoples, St. Louis, MO (US);
Assignee:
Monsanto Company, Pensacola, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
502 22 ; 502 23 ; 502 32 ; 502 34 ; 502 38 ; 558363 ;
Abstract
Treatment of dicyanobutene to inactivate residual dimerization catalyst facilitates hydrogenation of the product to form adiponitrile.