Patents by Inventor Alida Maria Van Der Burg

Alida Maria Van Der Burg 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 production of phosphorous compounds
    Patent number: 7790923
    Abstract: The invention is directed to a process for the production of certain phosphorous, namely urea, thio-urea and sulphonamide phosphorous compounds. The present invention provides a process for the production of phosphorous compounds which process allows an easy and effective separation of the reaction products from impurities by applying a solid alkaline ion-exchange resin.
    Type: Grant
    Filed: January 26, 2007
    Date of Patent: September 7, 2010
    Assignee: BASF Nederland B.V. and University of Amsterdam
    Inventors: Albertus Jacobus Sandee, Alida Maria Van Der Burg, Joost Nicolaas Hendrik Reek
  • Process for the production of phosphorous compounds
    Publication number: 20090082595
    Abstract: The invention is directed to a process for the production of certain phosphorous, namely urea, thio-urea and sulphonamide phosphorous compounds. The present invention provides a process for the production of phosphorous compounds which process allows an easy and effective separation of the reaction products from impurities by applying a solid alkaline ion-exchange resin.
    Type: Application
    Filed: January 26, 2007
    Publication date: March 26, 2009
    Applicants: ENGELHARD DE MEERN B.V., UNIVERSITEIT VAN AMSTERDAM
    Inventors: Albertus Jacobus Sandee, Alida Maria Van Der Burg, Joost Nicolaas Hendrik Reek