Patents by Inventor Brigitte M. J. Vandenbulcke

Brigitte M. J. Vandenbulcke 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).

  • Aminomethylenephosphonate compositions
    Patent number: 4764303
    Abstract: Granular or powder compositions containing diethylenetriaminepenta(methylenephosphonic acid) and/or its salts in admixture with sodium sulphate and/or bisulphate in an amount, expressed as the equivalent amount of anhydrous sodium sulphate, of at least 60% of the dry weight of the diethylenetriaminepenta(methylenephosphonic acid) and/or its salts can be stored for extended periods while remaining in the form of free-flowing solids.
    Type: Grant
    Filed: November 24, 1986
    Date of Patent: August 16, 1988
    Assignee: Monsanto Company
    Inventors: Brigitte M. J. Vandenbulcke, Bronislav H. May
  • Granular aminomethylenephosphonate
    Patent number: 4666623
    Abstract: Aminomethylenephosphonate-coated granules of substantially water-insoluble silicate having improved stability in the presence of peroxygen compounds. Such coatings can comprise alkali metal aminomethylenephosphonate of the formula: ##STR1## where each R is H, CH.sub.2 PO.sub.3 H.sub.2 or CH.sub.2 PO.sub.3 HM or CH.sub.2 PO.sub.3 M.sub.2 ; where M is an alkali metal; and n is 0 or an integer, preferably an integer of from 1 to 4. The coatings are substantially free of peroxygen compounds and peroxy compound precursors.
    Type: Grant
    Filed: February 21, 1986
    Date of Patent: May 19, 1987
    Assignee: Monsanto Europe S.A.
    Inventors: Bronislav H. May, Hubert H. Nijs, Brigitte M. J. Vandenbulcke