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. 20, 1988
Filed:
Apr. 17, 1986
Applicant:
Inventors:
Paul Winternitz, Greifensee, CH;
Ren/e/ Zurfl/u/ h, B/u/ lach, CH;
Assignee:
Hoffmann-La Roche Inc., Nutley, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; A01N / ;
U.S. Cl.
CPC ...
560 21 ; 546301 ; 546302 ; 546312 ; 564266 ; 564265 ; 564267 ; 71116 ;
Abstract
Novel diaryl ethers of the formula ##STR1## wherein A is CR.sup.3 or N and R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, n and R.sup.6 are as defined hereinafter, processes for their preparation, herbicidal compositions which contain these compounds as the active ingredient as well as the use of these compounds or compositions for the control of weeds is disclosed.