Patents by Inventor Jean Sprauer

Jean Sprauer 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).

  • Three-dimensional printing material system with improved color, article performance, and ease of use
    Patent number: 8167999
    Abstract: A materials system and methods are provided to enable the formation of articles by three dimensional printing. The materials system includes particulate mixtures having a whitening agent and a solid particulate additive comprising an acid, the latter adapted for modifying a cure rate of an infiltrant. The materials system also includes aqueous fluids including optical brightening agents.
    Type: Grant
    Filed: January 10, 2008
    Date of Patent: May 1, 2012
    Assignee: 3D Systems, Inc.
    Inventors: Amir Alam, James F. Bredt, Nanette Clark, Mary Flynn, Jean Sprauer, Derek X. Williams
  • Three-Dimensional Printing Material System With Improved Color, Article Performance, and Ease of Use
    Publication number: 20080187711
    Abstract: A materials system and methods are provided to enable the formation of articles by three dimensional printing. The materials system includes particulate mixtures having a whitening agent and a solid particulate additive comprising an acid, the latter adapted for modifying a cure rate of an infiltrant. The materials system also includes aqueous fluids including optical brightening agents.
    Type: Application
    Filed: January 10, 2008
    Publication date: August 7, 2008
    Applicant: Z Corporation
    Inventors: Amir Alam, James F. Bredt, Nanette Clark, Mary Flynn, Jean Sprauer, Derek X. Williams