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:
Nov. 23, 1976
Filed:
Apr. 07, 1975
Max Dunnenberger, Frenkendorf, CH;
Max Schellenbaum, Muttenz, CH;
Ciba-Geigy AG, Basel, CH;
Abstract
The present invention provides a method for combating harmful microorganisms, which comprises applying to a desired site an effective amount of 2-hydroxy-benzophenone of the formula ##SPC1## Wherein Z.sub.1 denotes halogen or alkyl, X.sub.1 and Y.sub.1 each denote hydrogen, halogen, alkyl, cycloalkyl, benzene or substituted benzene, X.sub.2, X.sub.3, X.sub.4, Y.sub.2 and Y.sub.3 each denote hydrogen, halogen or alkyl and X.sub.5 denotes hydrogen or halogen, with the number of the alkyl, benzene and cyclohexyl radicals as substituents being together at most 4. The anti-bacterial range of these 2-hydroxy benzophenones extends both to gram-positive and gram-negative bacteria.