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. 13, 1976
Filed:
Aug. 08, 1974
Applicant:
Inventors:
Wood Eugene Hunter, Lombard, IL (US);
Karl H Hoffman, Brookfield, IL (US);
Assignee:
Nalco Chemical Company, Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2605 / ; 252476 ; 2524 / ; 2605 / ; 2605 / ;
Abstract
An improved technique for making a Raney copper catalyst by contacting particulate copper/aluminum alloy particles with an aqueous solution containing dissolved therein both alkali metal hydroxide and at least one polyfunctional oxygen-containing aromatic compound. The catalyst so prepared is used in the catalystic hydrolysis of acrylonitrile to acrylamide.