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. 06, 1988
Filed:
Feb. 13, 1987
Applicant:
Inventors:
Akira Nohara, Kyoto, JP;
Yoshitaka Maki, Kyoto, JP;
Assignee:
Takeda Chemical Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544-9 ;
Abstract
The compound of the formula ##STR1## wherein R.sup.1 is hydrogen, methoxy or trifluormethyl, R.sup.2 and R.sup.3 are the same or different and are each hydrogen or methyl, R.sup.4 is a fluorinated lower alkyl having 2 to 5 carbon atoms and 1 to 11 fluorine atoms and X.sup.- is a pharmaceutically acceptable anion, respectively, possesses both strong antisecretory activity and gastric mucosal protective activity, which is produced by reacting a pyridine derivative of the formula ##STR2## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 have the same meaning as defined above, with an acid.