Patents by Inventor Laurel A. Rufe

Laurel A. Rufe 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).

  • Patent number: 9340686
    Abstract: The present invention relates to a composition comprising an aqueous dispersion of a binder and from 0.01 to 2 weight percent, based on the weight of the binder, of a defoamer characterized by the following structure: wherein R1, R2, x, y, m, and n are defined herein. The composition of the present invention is especially useful in reducing foam formation in a low VOC paint formulation.
    Type: Grant
    Filed: October 25, 2013
    Date of Patent: May 17, 2016
    Assignees: Rohm and Haas Company, Dow Global Technologies LLC
    Inventors: Sudhakar Balijepalli, Melinda H. Keefe, Laurel A. Rufe
  • Publication number: 20140121310
    Abstract: The present invention relates to a composition comprising an aqueous dispersion of a binder and from 0.01 to 2 weight percent, based on the weight of the binder, of a defoamer characterized by the following structure: wherein R1, R2, x, y, m, and n are defined herein. The composition of the present invention is especially useful in reducing foam formation in a low VOC paint formulation.
    Type: Application
    Filed: October 25, 2013
    Publication date: May 1, 2014
    Inventors: Sudhakar Balijepalli, Melinda H. Keefe, Laurel A. Rufe
  • Publication number: 20060046056
    Abstract: A method of using heat resistant hollow sphere polymers having a core stage that has been swollen with a hard or fixed base, in applications in which the hollow sphere polymer is exposed to temperatures of from 100° C. to 350° C., is disclosed. Articles made by the method are also disclosed.
    Type: Application
    Filed: August 17, 2005
    Publication date: March 2, 2006
    Inventors: James Brown, Laurel Rufe, John Haigh