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. 22, 1990
Filed:
Nov. 28, 1988
Applicant:
Inventors:
Kobus Wellinga, Weesp, NL;
Jacobus H Eussen, Weesp, NL;
Assignee:
Duphar International Research B.V., Weesp, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01N / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
71 92 ; 71 90 ; 548374 ; 548369 ; 548379 ;
Abstract
The invention relates to a herbicidally active compound of the general ##STR1## wherein R.sub.1, R.sub.2 R.sub.3 and R.sub.4 are equal or different and represent hydrogen atoms, alkyl groups having 1-6 carbon atoms, cycloalkyl groups having 3-6 carbon atoms or alkoxycarbonyl groups having 2-5 carbon atoms;