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:
Jun. 05, 1990
Filed:
Jul. 25, 1988
Applicant:
Inventors:
Shinkichi Shimizu, Hirakata, JP;
Takayuki Shoji, Osaka, JP;
Kanji Kono, Osaka, JP;
Toru Nakaishi, Osaka, JP;
Assignee:
Koei Chemical Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
544336 ; 546286 ; 546287 ;
Abstract
A heteroaromatic nitrile is prepared in high conversion and yield by catalytically reacting an alkyl-substituted heteroaromatic compound with molecular oxygen and ammonia in the presence of a catalyst having the following composition:
Shimizu, Shinkichi. (1990). Process for preparing nitriles (U.S. Patent No. 4931561). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4931561
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile