Patents by Inventor Raymond Johannes Maria Creusen

Raymond Johannes Maria Creusen 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).

  • Recovery of sulphuric acid
    Patent number: 7442359
    Abstract: The invention is directed to a process for the recovery of sulphuric acid from a mixture comprising sulphuric acid and hydrocarbons, in particular carbohydrates. In accordance with the present invention the mixture comprising sulphuric acid and carbohydrates, is contacted with an anion selective membrane, thus producing a sulphuric acid rich filtrate stream and a stream depleted in sulphuric acid.
    Type: Grant
    Filed: August 10, 2007
    Date of Patent: October 28, 2008
    Assignee: Nederlandse Organisatie voor Toegepast-Natuurwetenschappelijk Onderzoek TNO
    Inventors: Johannes Wouterus Van Groenestijn, Jacob Hendrik Obbo Hazewinkel, Raymond Johannes Maria Creusen, Koen Peter Henri Meesters