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:
Sep. 14, 1999
Filed:
Apr. 29, 1996
Applicant:
Inventors:
Morihito Saitoh, Hiroshima-ken, JP;
Yasutaka Tanaka, Hiroshima-ken, JP;
Assignee:
Daicel Chemical Industries, Ltd., Osaka-Fu, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; C07D / ;
U.S. Cl.
CPC ...
502 61 ; 502 73 ; 502 77 ; 502181 ; 502182 ; 502201 ; 502217 ; 502227 ; 502231 ; 502242 ; 502243 ; 502263 ; 502355 ; 546250 ; 546251 ; 546254 ; 546348 ;
Abstract
Disclosed is a process for the preparation of pyridine bases by a reaction of an aliphatic aldehyde and/or ketone with ammonia under gaseous phase using a specified catalyst in which a specified metal or combined metals are carried in or onto specified zeolites, for example, such as zeolites having a specified specific density range.
Saitoh, Morihito. (1999). Process for the preparation of pyridine using zeolite catalysts (U.S. Patent No. 5952258). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5952258
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile