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:
Nov. 13, 1990
Filed:
Mar. 21, 1989
Applicant:
Inventors:
Masahiro Shigematsu, Shizuoka, JP;
Shoji Kusano, Hamamatsu, JP;
Takayoshi Takehi, Shizuoka, JP;
Takeshige Miyazawa, Shizuoka, JP;
Yasufumi Toyokawa, Tokyo, JP;
Assignees:
Kumiai Chemical Industry Co., Ltd., Tokyo, JP;
Ihara Chemical Industry Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A01N / ;
U.S. Cl.
CPC ...
71 92 ; 544300 ; 546298 ;
Abstract
A pyrimidine derivative of the formula: ##STR1## wherein each of R.sup.1 and R.sup.2 which may be the same or different is an alkyl group, or R.sup.1 and R.sup.2 together with the adjacent carbon atom form a ring.