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:
Apr. 03, 1979
Filed:
Jan. 24, 1978
Applicant:
Inventors:
Helmut Beschke, Hanau, DE;
Heinz Friedrich, Hanau, DE;
Assignee:
Deutsche Gold- und Silber Scheideanstalt vormals Roessler, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546251 ;
Abstract
Pyridine and 3-methyl pyridine are produced by the catalytic reaction of acrolein and acetaldehyde with ammonia in the gas phase. There is used as the catalyst a highly dispersed aluminum silicate containing 3 to 30 weight percent aluminum oxide, a BET surface area of 200 to 800 m.sup.2 /g, a pore volume of 0.4 to 1.0 cm.sup.3 /g and a pore diameter of 20 to 100.times..times. 10.sup.-8 cm.
Beschke, Helmut. (1979). Process for the production of pyridine and 3-methyl pyridine (U.S. Patent No. 4147874). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4147874
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile