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. 07, 1989
Filed:
Feb. 02, 1987
Applicant:
Inventors:
Shinkichi Shimizu, Hirakata, JP;
Nobuyuki Abe, Ikoma, JP;
Masanori Doba, Osaka, JP;
Akira Iguchi, Kyoto, JP;
Hiroshi Sato, Ibaraki, JP;
Ken-ichi Hirose, Settsu, JP;
Youichi Umada, Takatsuki, JP;
Assignee:
Koei Chemical Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
546251 ; 546250 ;
Abstract
Process for producing pyridine bases by reacting an aliphatic aldehyde and/or ketone with ammonia in gaseous phase in the presence of a catalyst, characterized by using a catalyst which is obtained by modifying a zeolite having an atomic ratio of Si to Al, Fe and/or Ga of 12 to 1,000 and a constraint index of about 0.8 to about 12 with at least one metal ion and/or metal compound selected from the group consisting of thallium, lead and cobalt.