Patents by Inventor John Rafelt

John Rafelt has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for producing alcohol/ketone mixtures
    Patent number: 6677490
    Abstract: The invention relates to a method for producing a mixture of alcohols/ketones by decomposing an alkyl hydroperoxide, particularly to a method for producing a cyclohexanol/cyclohexanone by decomposing cyclohexyl hydroperoxide in the presence of a heterogeneous catalyst. According to the invention, the reaction is carried out in the presence of a heterogeneous catalyst containing an organometallic segment fixed on the surface of a porous solid compound such as silicon. The organometallic segment can be formula (I).
    Type: Grant
    Filed: October 15, 2002
    Date of Patent: January 13, 2004
    Assignee: Rhodia Polyamide Intermediates
    Inventors: James Clark, Eric Fache, Ducan Macquarrie, Peter Price, John Rafelt
  • Method for producing alcohol/ketone mixtures
    Publication number: 20030097025
    Abstract: The invention relates to a method for producing a mixture of alcohols/ketones by decomposing an alkyl hydroperoxide, particularly to a method for producing a cyclohexanol/cyclohexanone by decomposing cyclohexyl hydroperoxide in the presence of a heterogeneous catalyst. According to the invention, the reaction is carried out in the presence of a heterogeneous catalyst containing an organometallic segment fixed on the surface of a porous solid compound such as silicon. The organometallic segment ca be formula (1).
    Type: Application
    Filed: October 15, 2002
    Publication date: May 22, 2003
    Inventors: James Clark, Eric Fache, Ducan Macquarrie, Peter Price, John Rafelt