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:
Jul. 22, 1980
Filed:
Jan. 26, 1979
Applicant:
Inventors:
Shigeki Nagai, Ube, JP;
Hakobu Sekioka, Ube, JP;
Mitsuaki Takenaka, Ube, JP;
Masazumi Sakata, Ube, JP;
Yosio Kawaguchi, Ube, JP;
Seiji Takamura, Ube, JP;
Minoru Nishimura, Ube, JP;
Assignee:
Ube Industries, Ltd., Ube, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; A01N / ;
U.S. Cl.
CPC ...
71103 ; 2605 / ; 2605 / ; 2605 / ; 560 13 ;
Abstract
New diphenyl ether derivatives having one to three substituents selected from a halogen atom and a trifluoromethyl group at any optional one to three positions of the 2'-, 3'-, 4'-, 5'- and 6'-positions in one phenyl moiety and nitro group at the 4-position and unsubstituted or substituted aminosulfonyl group at the 3-position in another phenyl moiety. They have a superior herbicidal effect and can be prepared starting from a known 3-benzylmercapto compound through three steps.