Patents by Inventor Susan L. Lovasic

Susan L. Lovasic 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).

  • PIPD comfort fabrics and articled made therefrom
    Patent number: 7829483
    Abstract: The invention concerns a fabric useful in apparel and garments comprising an intimate blend of staple fibers, the blend of fibers comprising 55 to 95 parts by weight of a polypyridobisimidazole fiber having an inherent viscosity of greater than 20 dl/g and a tensile modulus of greater than 120 GPa (820 gpd); and 5 to 45 parts by weight of a flexible fiber having a tensile modulus of less than 10 GPa (70 gpd).
    Type: Grant
    Filed: December 13, 2006
    Date of Patent: November 9, 2010
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Susan L. Lovasic, Reiyao Zhu, Richard Young
  • PIPD Comfort Fabrics and Articles Made Therefrom
    Publication number: 20090247035
    Abstract: The invention concerns a fabric useful in apparel and garments comprising an intimate blend of staple fibers, the blend of fibers comprising 55 to 95 parts by weight of a polypyridobisimidazole fiber having an inherent viscosity of greater than 20 dl/g and a tensile modulus of greater than 120 GPa (820 gpd); and 5 to 45 parts by weight of a flexible fiber having a tensile modulus of less than 10 GPa (70 gpd).
    Type: Application
    Filed: December 13, 2006
    Publication date: October 1, 2009
    Inventors: Susan L. Lovasic, Reiyao H. Zhu, Richard Young
  • Modacrylic/aramid fiber blends for arc and flame protection and reduced shrinkage
    Patent number: 7348059
    Abstract: A yarn, fabric and garment suitable for use in arc and flame protection contains modacrylic, p-aramid and m-aramid fibers wherein the m-aramid fibers have a degree of crystallinity of at least 20%.
    Type: Grant
    Filed: July 26, 2005
    Date of Patent: March 25, 2008
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Reiyao Zhu, Debbie Guckert, Susan L. Lovasic
  • Lightweight protective apparel
    Patent number: 7156883
    Abstract: This invention relates to a blend of fibers for use in protective clothing, a lightweight fabric made from such blend, protective articles made from the blend or fabric, and methods for making the fabric. The protective fabrics and articles of this invention have the unique combination of being comfortable, being highly effective against electrical arcs and flash fire hazards and having a pleasing appearance. Specifically, these fabrics can be processed to give the look and feel similar to conventional clothing fabrics such as denim fabrics.
    Type: Grant
    Filed: July 26, 2004
    Date of Patent: January 2, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Susan L. Lovasic, Surinder M. Maini
  • Modacrylic/aramid fiber blends for arc and flame protection
    Patent number: 7065950
    Abstract: A yarn, fabric and garment suitable for use in arc and flame protection contains modacrylic, p-aramid and m-aramid fibers.
    Type: Grant
    Filed: March 18, 2004
    Date of Patent: June 27, 2006
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Reiyao Zhu, Debbie Guckert, Susan L. Lovasic