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:
Sep. 14, 1982
Filed:
Apr. 08, 1981
Ciba-Geigy Corporation, Ardsley, NY (US);
Abstract
The invention relates to cyclobutanedicarboxisoimides of the formula I ##STR1## wherein one of X and Y is oxygen and the other is ##STR2## each of R.sub.1 and R.sub.6 independently is methyl or ethyl, each of R.sub.2 and R.sub.3 independently is hydrogen, fluorine or methyl, or R.sub.2 is aceto hydrogen or methyl, while R.sub.3 and R.sub.4 together can also form an additional valency in the 4-membered cycloaliphatic ring. These compounds are suitable for controlling a variety of phytopathogenic fungi. They can be obtained by cyclizing the corresponding cyclobutanedicarboxylic acid monoamides in the temperature range from about -20.degree. to +100.degree. C., in the presence of dehydrating agents such as acetic anhydride or N,N'-dicyclohexylcarbodiimide.