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. 13, 1984
Filed:
Feb. 02, 1982
Applicant:
Inventors:
Itsuo Furuoya, Suita, JP;
Yuzuru Kitazawa, Hirakata, JP;
Assignee:
Takeda Chemical Industries, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2604653 ;
Abstract
Unsaturated aliphatic dinitriles such as fumaronitrile and maleonitrile can be produced in high yields by ammoxidation of C.sub.4 straight-chain hydrocarbons in the presence of a catalyst containing as active components:
Furuoya, Itsuo. (1984). Process for producing unsaturated aliphatic dinitriles (U.S. Patent No. 4436671). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4436671
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile