Patents by Inventor Hajime Hirobe

Hajime Hirobe has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

Carboxylic acid ester derivatives, process for manufacturing said derivatives, insecticides and acaricides containing said derivatives, and method for killing insects and acarina by treating therewith

Patent number: 4457940

Abstract: Novel carboxylic acid ester derivatives, of the formula (I): ##STR1## process for manufacturing said derivatives, insecticides and acaricides containing said derivatives, and a method for killing insects and acarina by treating therewith.

Type: Grant

Filed: December 22, 1981

Date of Patent: July 3, 1984

Assignee: Dainippon Jochugiku Kabushiki Kaisha

Inventors: Yoshio Katsuda, Hajime Hirobe, Yoshihiro Minamite

Carboxylic acid ester derivatives, process for manufacturing said derivatives, insecticides and acaricides containing said derivatives, and method for killing insects and acarina by treating therewith