Patents by Inventor Focke Thomas

Focke Thomas 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).

  • Al2O3-containing, high-temperature resistant glass sliver with highly textile character, and products thereof
    Patent number: 6468932
    Abstract: The invention relates to Al2O3-containing and high-temperature resistant glass sliver on silica basis having a highly textile, cotton-like and voluminous character. The invention also relates to glass staple fiber products from said glass sliver and their use. The textile character and high-temperature resistance are obtained in particular by selective acid extraction. The composition of the inventive glass sliver comprises in particular SiO2 as main component and 1-5% (wt.) Al2O3 as subsidiary component.
    Type: Grant
    Filed: January 24, 2000
    Date of Patent: October 22, 2002
    Inventors: Richter Robin, Focke Thomas, Lehr Sven