Patents by Inventor David W. Bareis

David W. Bareis 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).

  • Molded foam articles prepared with reduced mold residence time and improved quality
    Patent number: 6887911
    Abstract: Foamed molded articles produced by reaction injection molding (RIM) are provided. The molded articles are formed by reaction of a polyisocyanate component with an isocyanate reactive component in a mold using a blowing agent. The molded articles are preferably composites formed in the presence of a fibrous reinforcing material. The foamed articles are characterized by relatively short minimum mold residence times, and can thereby be produced more economically than prior art composites. The foamed articles are further characterized by a reduction in physical defects, such as splits and voids.
    Type: Grant
    Filed: June 11, 2003
    Date of Patent: May 3, 2005
    Assignee: Huntsman International LLC
    Inventors: Trent A. Shidaker, David W. Bareis, Herbert R. Gillis
  • Unreinforced reaction injection molded structural foams
    Publication number: 20040192800
    Abstract: A reaction system used to produce an unreinforced structural foam molding includes a polyisocyanate component, an organic isocyanate-reactive component, an isocyanate foaming agent and optionally an additive. The reaction system can be used in a reaction injection molding process where the reaction system is first blended to form a liquid reacting mixture that is injected into a mold. After the liquid reacting mixture foams and cures within the mold, the mold is opened and the unreinforced structural foam molding is removed.
    Type: Application
    Filed: February 5, 2004
    Publication date: September 30, 2004
    Inventors: Trent A. Shidaker, David W. Bareis
  • Internal mold release compositions
    Publication number: 20040171784
    Abstract: Internal mold release systems that include an internal mold release agent that includes any one of fatty acids, fatty acid esters and metal carboxylates, and employ a poly(dimethylsiloxane) surfactant with the following formula:
    Type: Application
    Filed: March 12, 2004
    Publication date: September 2, 2004
    Inventors: Trent A. Shidaker, David W. Bareis
  • Molded foam articles prepared with reduced mold residence time and improved quality
    Publication number: 20040034113
    Abstract: Foamed molded articles produced by reaction injection molding (RIM) are provided. The molded articles are formed by reaction of a polyisocyanate component with an isocyanate reactive component in a mold using a blowing agent. The molded articles are preferably composites formed in the presence of a fibrous reinforcing material. The foamed articles are characterized by relatively short minimum mold residence times, and can thereby be produced more economically than prior art composites. The foamed articles are further characterized by a reduction in physical defects, such as splits and voids.
    Type: Application
    Filed: June 11, 2003
    Publication date: February 19, 2004
    Inventors: Trent A. Shidaker, David W. Bareis, Herbert R. Gillis
  • Internal mold release compositions
    Publication number: 20020077398
    Abstract: Internal mold release systems which include an internal mold release agent that includes any one of fatty acids, fatty acid esters and metal carboxylates, and employ a poly(dimethylsiloxane) surfactant of Formula I: 1
    Type: Application
    Filed: September 13, 2001
    Publication date: June 20, 2002
    Inventors: Trent A. Shidaker, David W. Bareis