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. 06, 1990
Filed:
Jan. 05, 1987
Michael Keil, Freinsheim, DE;
Dieter Jahn, Edingen-Neckarhausen, DE;
Rainer Becker, Bad Duerkheim, DE;
Wolfgang Rohr, Wachenheim, DE;
Bruno Wuerzer, Otterstadt, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
Cyclohexane-1,3-dione derivatives of the formula ##STR1## where A is phenyl which is monosubstituted in the ortho- or meta-position by alkoxy, nitro, halogen or methylsulfonyl, or is phenyl which is monosubstituted in the ortho-, meta- or para-position by alkyl, phenyl, alkoxy, fluorine-substituted alkoxy, unsubstituted or substituted phenoxy, alkenyloxy, alkynyloxy, unsubstituted or substituted benzyloxy, alkylsulfinyl, alkylsulfonyl, alkylsulfonyloxy, trifluoromethyl, alkoxyalkyl or alkoxyalkoxy, or is phenyl which is disubstituted trisubstituted or tetrasubstituted by identical or different substituents selected from the group consisting of alkyl, alkoxy, halogen, nitro and 2,4-dichlorophenoxy, with the proviso that, where the substituents are identical, the disubstituted, trisubstituted or tetrasubstituted phenyl radical does not carry methyl radicals, R.sup.1 is hydrogen, methoxycarbonyl, ethoxycarbonyl, methyl or cyano, R.sup.2 is alkyl, and R.sup.3 is alkyl, alkenyl, haloalkenyl or propargyl, or salts of these compounds, and their use for combatting unwanted plant growth.