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:
Feb. 12, 1991
Filed:
Nov. 18, 1986
Applicant:
Inventors:
David Cartwright, Reading, GB;
David J Collins, Crowthorne, GB;
Assignee:
Imperial Chemical Industries PLC, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01N / ; A01N / ; C07C / ; C07D / ;
U.S. Cl.
CPC ...
71 88 ; 71 94 ; 71 95 ; 71118 ; 544164 ; 546224 ; 548557 ; 564150 ;
Abstract
A compound of formula (I) ##STR1## or a zwitterion derivative thereof; wherein R.sup.1, R.sup.2 and R.sup.3 are each independently optionally substituted alkyl or R.sup.1 and R.sup.2 together with the nitrogen atom to which they are attached form a 5- or 6- membered heterocyclic ring; R.sup.4 is hydrogen, nitro, halo, alkyl or CF.sub.3 ; R.sup.5 is halo; and .crclbar. and Z is an anion. The compounds are useful as herbicides.