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:
Jun. 13, 1978
Filed:
Apr. 28, 1976
Applicant:
Inventors:
Yasuhiro Morisawa, Tokyo, JA;
Mitsuru Kataoka, Tokyo, JA;
Noritoshi Kitano, Tokyo, JA;
Toshiaki Mastuzawa, Tokyo, JA;
Assignee:
Sankyo Company Limited, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A01N / ;
U.S. Cl.
CPC ...
424263 ; 2602 / ;
Abstract
Pyridine derivatives having the formula ##STR1## wherein R.sub.1 represents hydrogen atom, amino group or a group ##STR2## in which R.sub.5 and R.sub.6 may be the same or different and each represents an alkyl group of 1 to 4 carbon atoms or R.sub.5 is hydrogen atom and R.sub.6 represents an alkyl group of 1 to 4 carbon atoms, an alkenyl group of 3 or 4 carbon atoms or a benzyl group optionally substituted with halogen, cyano, alkyl of 1 to 4 carbon atoms or alkoxy of 1 to 4 carbon atoms;