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:
Apr. 01, 1997
Filed:
Jun. 06, 1995
Applicant:
Inventors:
Gerald J O'Neill, Arlington, MA (US);
Albert H Levesque, Nashua, NH (US);
Assignee:
Hampshire Chemical Corp., Lexington, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
558304 ;
Abstract
A method of stabilizing nitriles, and in particular iminodiacetonitrile (IDAN), ethylendiamine-triacetonitrile (EDTN), and especially nitrilotriacetonitrile (NTAN). The present invention also encompasses the resulting stabilized nitrile. The method of the present invention comprises contacting the nitrile with a mixture of silica and alumina, zeolites or glass.
O'Neill, Gerald. (1997). Method of stabilizing nitriles (U.S. Patent No. 5616772). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5616772
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile