Patents by Inventor Günter Spilgies

Günter Spilgies 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).

  • Method of producing elastane fiber by wet spinning
    Patent number: 6699414
    Abstract: Described is wet-spun plural-end elastane yarn having a yarn linear density of up to 2500 dtex, high surface luster and a ribbony cross section and formed from bonded-together individual filaments having an oval to circularly round cross section, the width of the elastane yarn in cross section being at least four times the thickness of the elastane yarn.
    Type: Grant
    Filed: July 31, 2002
    Date of Patent: March 2, 2004
    Assignee: Bayer Faser GmbH
    Inventors: Ulrich Reinehr, Tilo Sehm, Wolfgang Anderheggen, Toni Herbertz, Günter Spilgies
  • Elastane fiber
    Patent number: 6492021
    Abstract: Described is wet-spun plural-end elastane yarn having a yarn linear density of up to 2500 dtex, high surface luster and a ribbony cross section and formed from bonded-together individual filaments having an oval to circularly round cross section, the width of the elastane yarn in cross section being at least four times the thickness of the elastane yarn.
    Type: Grant
    Filed: December 29, 2000
    Date of Patent: December 10, 2002
    Assignee: Bayer Faser GmbH
    Inventors: Ulrich Reinehr, Tilo Sehm, Wolfgang Anderheggen, Toni Herbertz, Günter Spilgies