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:
Oct. 19, 1999
Filed:
Jun. 13, 1997
Applicant:
Inventors:
Assignee:
Mitsubishi Rayon Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
558411 ; 558462 ;
Abstract
A method for purifying a nitrile which comprises contacting a nitrile containing an aldehyde with a cation exchange resin carrying a polyamine to remove the aldehyde from the nitrile. The ion exchange resin can be regenerated and reused repeatedly.
Quick Actions:
Murao, Kouzo. (1999). Purification of nitrile (U.S. Patent No. 5969175). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5969175
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile