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:
Aug. 17, 1993
Filed:
Aug. 07, 1991
Applicant:
Inventors:
Shinkichi Shimizu, Hirakata, JP;
Nobuyuki Abe, Ikoma, JP;
Masanori Doba, Osaka, JP;
Akira Iguchi, Kameoka, JP;
Assignee:
Koei Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
546251 ; 546250 ;
Abstract
The present invention provides a process for producing pyridine bases which comprises reacting an aliphatic aldehyde and/or a ketone with ammonia in the presence of a catalyst in gaseous phase, said catalyst comprising a zeolite containing (a) an element belonging to the platinum group and (b) at least one element selected from the group consisting of the elements of Groups IIB, IIIA and IVA of the periodic table and the having an atomic ratio of Si to elements consisting of Al, B, Fe and/or Ga of about 12 to about 1,000 and a constraint indedx of about 0.8 to about 12.