Patents by Inventor Sylvia Bremer-Masseus

Sylvia Bremer-Masseus 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).

  • Aqueous multiphase dispersions for multicolor coatings
    Patent number: 6005031
    Abstract: Aqueous multiphase dispersions for multicolor coatings are produced by a process essentially comprising the steps of:providing one or more emulsion paints;adding at least one linear colloid capable of being insolubilised by borate ions and at least one hydrophilic inorganic clay to said paints to form base paints;providing an aqueous medium containing at least one hydrophilic inorganic clay;adding said base paints into said aqueous medium;adding borate ions to said aqueous medium;adding at least one emulsified binder to said medium;each of the emulsion paints having a different color.It is preferred to use galactomannoglycans as colloid (most preferably guar gum) and synthetic clays (most preferably of the smectite or hectorite types).
    Type: Grant
    Filed: August 17, 1998
    Date of Patent: December 21, 1999
    Assignee: Sigma Coatings, B.V.
    Inventors: Sylvia Bremer-Masseus, Cornelis van der Kolk, Marcel Weber, Johannes van Schie