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:
Jan. 07, 1992
Filed:
Nov. 29, 1989
Applicant:
Inventors:
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
546251 ; 546250 ;
Abstract
Substituted pyridines of the formula ##STR1## where R.sup.1 is alkyl of 1 to 20 carbon atoms, cycloalkyl, aryl or aralkyl, are prepared by reacting a mixture of acrolein and alkanals of the formula ##STR2## with ammonia in the presence of zeolites as catalysts.
Hoelderich, Wolfgang. (1992). Preparation of 3-hydrocarbyl substituted pyridines (U.S. Patent No. 5079367). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5079367
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile