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:
Jun. 20, 1989
Filed:
Jan. 21, 1988
Applicant:
Inventors:
Assignee:
Otsuka Kagaku Kabushiki Kaisha, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
A01N / ; C07D / ;
U.S. Cl.
CPC ...
514326 ; 546207 ; 544 96 ; 544149 ; 544333 ; 544374 ; 548215 ; 548300 ; 548517 ; 549417 ; 514374 ; 514385 ; 514422 ;
Abstract
A pyran derivative represented by a general formula ##STR1## wherein R.sub.1 is hydrogen, lower alkyl, cycloalkyl or phenyl, R.sub.2 is alkyl having 8 to 20 carbon atoms, R.sub.3 is hydrogen, halogen, ##STR2## or --CH.sub.2 N A, R.sub.4 and R.sub.5 being each lower alkyl or cycloalkyl, A being --CH.sub.2 13 , oxygen or nitrogen atom, N A forms five or six-member ring (the ring may have no substitutent or have at least one substituent selected from lower alkyl, lower alkoxy and halogen atom), or an acid salt thereof, are useful as agricultural miticides.