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. 12, 1981
Filed:
Apr. 07, 1980
Applicant:
Inventors:
Ryuzo Nishiyama, Takatsuki, JP;
Kanichi Fujikawa, Moriyama, JP;
Rikuo Nasu, Kyoto, JP;
Itaru Shigehara, Moriyama, JP;
Assignee:
Ishihara Sangyo Kaisha Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
A01N / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
546302 ;
Abstract
4-(Pyridyl-2-oxy)phenoxyalkanecarboxylic acid derivative is produced by reacting 2-phenoxypyridine derivative with 4-hydroxyphenoxyalkanecarboxylic acid derivative. The products which are effective as an active ingredient of a herbicide can be obtained at high yield by an interphenoxylation.