Patents by Inventor Marijke Bettman

Marijke Bettman 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).

  • LOW-DUSTING INVESTMENT COMPOSITION MATERIAL
    Publication number: 20130341824
    Abstract: A method for manufacturing a heat-resistant mold for manufacturing a dental restoration, wherein a wax model is manufactured in a conventional manner and wherein from a powdered heat-resistant material consisting of powdered particles coated with a hydrophobic material liquid at room temperature, with water or another mixing liquid, a slurry is prepared, wherein the slurry is applied to the wax model, and wherein the wax model covered slurry is subjected to a heating step, wherein the wax is burnt off.
    Type: Application
    Filed: August 23, 2013
    Publication date: December 26, 2013
    Applicant: DENTSPLY International Inc.
    Inventors: Marijke Bettman, Joseph Maria van der Zel, Theodorus Jacobus Grinwis
  • LOW-DUSTING INVESTMENT COMPOSITION MATERIAL
    Publication number: 20110012286
    Abstract: A method for manufacturing a heat-resistant mold for manufacturing a dental restoration, wherein a wax model is manufactured in a conventional manner and wherein from a powdered heat-resistant material consisting of powdered particles coated with a hydrophobic material liquid at room temperature, with water or another mixing liquid, a slurry is prepared, wherein the slurry is applied to the wax model, and wherein the wax model covered slurry is subjected to a heating step, wherein the wax is burnt off.
    Type: Application
    Filed: September 29, 2010
    Publication date: January 20, 2011
    Inventors: MARIJKE BETTMAN, Joseph Maria van der Zel, Theodorus Jacobus Grinwis
  • Low-dusting investment composition material
    Publication number: 20090072425
    Abstract: A method for manufacturing a heat-resistant mold for manufacturing a dental restoration, wherein a wax model is manufactured in a conventional manner and wherein from a powdered heat-resistant material consisting of powdered particles coated with a hydrophobic material liquid at room temperature, with water or another mixing liquid, a slurry is prepared, wherein the slurry is applied to the wax model, and wherein the wax model covered slurry is subjected to a heating step, wherein the wax is burnt off.
    Type: Application
    Filed: June 3, 2008
    Publication date: March 19, 2009
    Inventors: Marijke Bettman, Joseph Maria van der Zel, Theodorus Jacobus Grinwis
  • Low-dusting investment composition material
    Publication number: 20060086286
    Abstract: The invention relates to a method for manufacturing a heat-resistant mold wherein heat-resistant investment material is inserted in a wax model manufactured in a conventional manner. The invention further relates to a low-dusting investment material, which low-dusting material is in particular heat-resistant. The investment material is applicable in dentistry, particularly for manufacturing molds.
    Type: Application
    Filed: May 9, 2003
    Publication date: April 27, 2006
    Inventors: Marijke Bettman, Joseph van der Zel, Theodorus Grinwis