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:
May. 26, 1981
Filed:
Oct. 23, 1979
Applicant:
Inventors:
Osamu Kirino, Hyogo, JP;
Shunichi Hashimoto, Sonehigashi, JP;
Hiroshi Matsumoto, Hyogo, JP;
Hiromichi Oshio, Osaka, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; A01N / ;
U.S. Cl.
CPC ...
564221 ; 71118 ; 564141 ; 564211 ; 564223 ;
Abstract
A compound of the formula: ##STR1## wherein R.sub.1 and R.sub.2, which may be the same or different, are each a C.sub.1 -C.sub.3 alkyl group, a chloromethyl group or a halogen atom, R.sub.3 is a hydrogen atom, a methyl group or a halogen atom, n is an integer of 2 to 5 and X is a hydrogen atom, a methyl group, a methoxy group or a chlorine atom, which is useful as a herbicide.