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. 17, 1995
Filed:
Mar. 08, 1994
Applicant:
Inventors:
Helmut Kraus, Odenthal, DE;
Hans-Joachim Traenckner, Leverkusen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
546250 ; 544124 ; 546193 ; 546281 ; 546286 ;
Abstract
The title compounds of the formula ##STR1## can be prepared by reacting methylene-glutaconic acid dinitriles of the formula
Kraus, Helmut. (1995). Process for the preparation of 2-halogeno-5-cyano pyridines (U.S. Patent No. 5459273). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5459273
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile