Patents by Inventor Maria J. G. Van Den Boer

Maria J. G. Van Den Boer 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).

  • Process for the catalytic hydrogenation of a nitrile
    Patent number: 7291754
    Abstract: Process for the catalytic hydrogenation of a nitrite in the presence of an amine and a catalyst wherein the catalyst is a liquid-rinsed Raney-type catalyst contacted with a hydroxide prior to contacting the catalyst with the amine. The process results in higher selectivity in the formation of diamines from diniriles.
    Type: Grant
    Filed: January 21, 2004
    Date of Patent: November 6, 2007
    Assignee: DSM IP Assets B.V.
    Inventors: Franciscus H. A. M. Vandenbooren, Hubertus J. M. Bosman, Alexander V. Peters, Maria J. G. Van Den Boer