Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 25, 2009
Patent Application Number
11792373
Date Filed
November 30, 2005
Patent Primary Examiner
Patent abstract
The invention relates to a method for the preparation of cyclohexanone from cyclohexane. The invention relates more particularly to a method for the production of cyclohexane whose impurity content enables cyclohexanone to be used as a raw material for the production of e-caprolactam. The inventive method consists in treating the mixture of cyclohexanol/cyclohexanone arising from oxidation of cyclohexane by oxygen in a dehydrogenation stage in order to transform cyclohexanol into cyclohexanone and the impurities present such as cyclopentenal. The inventive method makes it possible to obtain highly pure cyclohexanone which is compatible when used as a raw material in the synthesis of e-caprolactam.
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