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. 28, 1989
Filed:
Aug. 06, 1987
Applicant:
Inventors:
Shiow-Ching Lin, Ellicott City, MD (US);
Jennifer M Quirk, Highland, MD (US);
Assignee:
W. R. Grace & Co.-Conn., New York, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548341 ;
Abstract
1-Cyanoethylimidazoles are hydrogenated to provide the correspondng 1-aminopropylimidazoles, e.g., an ethanol solution of 1-cyanoethyl-2-ethyl-4-methylimidazole is hydrogenated at 1000 psi using Raney nickel catalyst to prepare 1-aminpropyl-2-ethyl-4-methylimidazole, useful as an intermediate in the preparation of epoxy accelerators.