Patents by Inventor Gerardus J. P. Krooshof

Gerardus J. P. Krooshof 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 isolation of an organic amine
    Patent number: 7977514
    Abstract: The invention relates to a process for the isolation of an organic amine from a composition comprising the organic amine and an acid, or a salt of the organic amine and the acid, wherein the process comprises steps wherein ammonia or hydrazine is added to the composition thereby forming a multi-phase system comprising an organic amine-rich phase and an acid-rich phase, the organic amine-rich phase and the acid-rich phase obtained in step (i) are separated, and the organic amine is isolated from the organic amine-rich phase.
    Type: Grant
    Filed: December 20, 2006
    Date of Patent: July 12, 2011
    Assignee: DSM IP Assets B.V.
    Inventors: Alexander V. Peters, Gerardus J. P. Krooshof, Nicolaas M. H. Beckers, John Krijgsman