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:
Jan. 16, 1990
Filed:
Feb. 29, 1988
Hermann Rempfler, Ettingen, CH;
Walter Kunz, Oberwil, CH;
Ciba-Geigy Corporation, Ardsley, NY (US);
Abstract
The invention relates to a herbicidal and plant growth regulating composition which contains as active ingredient a 2-benzoyl-2-phenyloxirane of formula I ##STR1## wherein each of m and n independently of the other is 0, 1, 2 or 3 and each of R and R' independently of the other is a halogen atom, a C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 haloalkyl or C.sub.1 -C.sub.4 haloalkoxy group or the nitro or cyano group or a phenoxy group which is substituted by (R).sub.m, in the form of a racemate or an optically active enantiomer. Some oxiranes are known as intermediates for the preparation of fungicides and others are novel. The herbicidal composition has selective action in rice crops and is active against grasses.