Patents by Inventor Sylvia Diestel

Sylvia Diestel 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).

  • Wood substitute material and its use
    Patent number: 8188175
    Abstract: The invention relates to a wood substitute material for wood-encased pencils, comprising the following ingredients: 15-3.0% by weight of at least one polymeric binder, 50-80% by weight of at least one organic filler, 0-20% by weight of at least one inorganic filler, 0.5-5% by weight of at least one adhesion promoter, 1-30% by weight of at least one wax, 0-10% by weight of at least one color pigment, and 0-10% by weight of at least one additive, the at least one adhesion promoter forming a chemical bond between the at least one polymeric binder and the at least one organic filler, a ratio of the at least one adhesion promoter and the at least one wax in the range from 1:2 to 1:6 being formed, and the sum of organic and inorganic filler being not more than 80% by weight.
    Type: Grant
    Filed: July 11, 2009
    Date of Patent: May 29, 2012
    Assignee: J.S. Staedtler GmbH & Co. KG
    Inventors: Nikolas Lins, Sylvia Diestel, Andreas Thies
  • WOOD SUBSTITUTE MATERIAL AND ITS USE
    Publication number: 20110172332
    Abstract: The invention relates to a wood substitute material for wood-encased pencils, comprising the following ingredients: 15-3.0% by weight of at least one polymeric binder, 50-80% by weight of at least one organic filler, 0-20% by weight of at least one inorganic filler, 0.5-5% by weight of at least one adhesion promoter, 1-30% by weight of at least one wax, 0-10% by weight of at least one colour pigment, and 0-10% by weight of at least one additive, the at least one adhesion promoter forming a chemical bond between the at least one polymeric binder and the at least one organic filler, a ratio of the at least one adhesion promoter and the at least one wax in the range from 1:2 to 1:6 being formed, and the sum of organic and inorganic filler being not more than 80% by weight.
    Type: Application
    Filed: July 11, 2009
    Publication date: July 14, 2011
    Applicant: J.S. STAEDTLER GMBH & CO. KG
    Inventors: Nikolas Lins, Sylvia Diestel, Andreas Thies