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:
Nov. 02, 1976
Filed:
Jan. 02, 1974
Applicant:
Inventors:
Yataro Ichikawa, Iwakuni, JA;
Yuitsu Honda, Iwakuni, JA;
Kazuhiko Soma, Iwakuni, JA;
Nobuo Suzuki, Iwakuni, JA;
Teizo Yamaji, Shuto all of, JA;
Assignee:
Teijin Limited, Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
2602 / ; 252437 ; 252432 ; 252439 ;
Abstract
A process for the preparation of pyridines, which comprises contacting in the vapor phase saturated or unsaturated hydrocarbon of more than one carbon atom, ammonia, and molecular oxygen, with the catalyst composed of solid acid containing at least tellurium, said solid acid containing the acid of which acid strength (Ho) is not weaker than 4.8.