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:
Dec. 26, 1989
Filed:
Jul. 06, 1988
Applicant:
Inventors:
Toshiro Ohtsubo, Hyogo, JP;
Shigenori Tsuda, Kyoto, JP;
Yukio Manabe, Osaka, JP;
Kiyoshi Kasamatsu, Kyogo, JP;
Hisami Takeda, Kyogo, JP;
Kozo Tsuji, Nara, JP;
Assignee:
Sumitomo Chemical Company, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01N / ;
U.S. Cl.
CPC ...
424408 ; 424405 ; 424409 ;
Abstract
A microencapsulated insecticidal composition has excellent residual effect which comprises an organophosphorus insecticide encapsulated in a wall formed of a polyurea and having an average particle diameter of not more than 80 .mu.m, a wall thickness of not more than 0.3 .mu.m and a ratio of an average particle diameter/wall thickness of not less than 250.