Patents by Inventor Richard Alexander Geurtsen

Richard Alexander Geurtsen 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).

  • LIQUID RHEOLOGICAL ADDITIVE SUITABLE FOR THICKENING SOLVENT BORNE, PIGMENT CONTAINING SYSTEM
    Publication number: 20100280157
    Abstract: A thixotropy imparting composition. The composition comprises the reaction products of: one or more polyesters from one or more polyols having at least two hydroxyl moieties; and one or more polycarboxylic acids having at least two carboxylic acid moieties; and one or more basic compounds, wherein said polyesters have at least two active carboxylic acid moieties as end groups and at least a portion of said carboxylic acid moieties are in the carboxylate anion form. This composition may further comprise one or more diluents. The composition exists as a liquid. The composition may be used in a non-aqueous fluid system as a rheological additive in combination with one or more particulate materials, wherein said rheological additive imparts thixotropy to said system. A thixotropy imparting composition.
    Type: Application
    Filed: June 30, 2010
    Publication date: November 4, 2010
    Applicant: ELEMENTIS SPECIALTIES, INC.
    Inventors: Richard Alexander Geurtsen, Eduardus Maria Mangnus
  • Liquid rheological additive suitable for thickening solvent borne, pigment containing system
    Patent number: 7795337
    Abstract: A thixotropy imparting composition. The composition comprises the reaction products of: one or more polyesters from one or more polyols having at least two hydroxyl moieties; and one or more polycarboxylic acids having at least two carboxylic acid moieties; and one or more basic compounds, wherein said polyesters have at least two active carboxylic acid moieties as end groups and at least a portion of said carboxylic acid moieties are in the carboxylate anion form. This composition may further comprise one or more diluents. The composition exists as a liquid. The composition may be used in a non-aqueous fluid system as a rheological additive in combination with one or more particulate materials, wherein said rheological additive imparts thixotropy to said system. A thixotropy imparting composition.
    Type: Grant
    Filed: March 31, 2006
    Date of Patent: September 14, 2010
    Assignee: Elementis Specialties, Inc.
    Inventors: Richard Alexander Geurtsen, Eduardus Maria Mangnus