Patents by Inventor Franciscus H. A. M. Vandenbooren

Franciscus H. A. M. Vandenbooren 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 preparing succinonitrile and use of succinonitrile
    Patent number: 7371884
    Abstract: The invention relates to a process for preparing succinonitrile by contacting acrylonitrile (ACN) with hydrocyanic acid (HCN) in a reactor in the presence of a tertiary amine. The invention also relates to the use of succinonitrile prepared according to the process of the invention, for preparing diaminobutane. Succinonitrile is prepared by contacting ACN with HCN in the presence of a tertiary amine and a compound chosen from the group consisting of water, aliphatic alcohols, aromatic alcohols, carboxylic acids and mixtures thereof.
    Type: Grant
    Filed: December 3, 2002
    Date of Patent: May 13, 2008
    Assignee: DSM IP Assets B.V.
    Inventors: Hendrik Oevering, Franciscus H. A. M. Vandenbooren, Olaf Poorter
  • 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