Patents by Inventor Josef Kubber

Josef Kubber 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).

  • Publication number: 20040097636
    Abstract: A product made from plastic and composed, at least in part, of a thermoplastic molding composition which comprises polyamide and comprises from 3 to 30% by weight of a conductivity black, where the conductivity black is defined by the following parameters:
    Type: Application
    Filed: November 6, 2003
    Publication date: May 20, 2004
    Applicant: DEGUSSA AG
    Inventors: Franz-Erich Baumann, Reinhard Beuth, Josef Kubber, Michael Schlobohm
  • Patent number: 6656997
    Abstract: A product made from plastic and composed, at least in part, of a thermoplastic molding composition which comprises polyamide and comprises from 3 to 30% by weight of a conductivity black, where the conductivity black is defined by the following parameters: a) DBP absorption of from 100 to 300 ml/100 g; b) a specific surface area of from 30 to 180 m2/g; c) an ash content of less than 0.1% by weight and d) a grit content of not more than 25 ppm, has improved heat-ageing resistance, and also improved resistance to peroxide-containing motor fuels.
    Type: Grant
    Filed: September 26, 2001
    Date of Patent: December 2, 2003
    Assignee: Degussa AG
    Inventors: Franz-Erich Baumann, Reinhard Beuth, Josef Kübber, Michael Schlobohm
  • Publication number: 20020037955
    Abstract: A product made from plastic and composed, at least in part, of a thermoplastic molding composition which comprises polyamide and comprises from 3 to 30% by weight of a conductivity black, where the conductivity black is defined by the following parameters:
    Type: Application
    Filed: September 26, 2001
    Publication date: March 28, 2002
    Applicant: DEGUSSA-HUELS AG
    Inventors: Franz-Erich Baumann, Reinhard Beuth, Josef Kubber, Michael Schlobohm
  • Patent number: 6316537
    Abstract: A product made from plastic and composed, at least in part, of a thermoplastic molding composition which comprises polyamide and comprises from 3 to 30% by weight of a conductivity black, where the conductivity black is defined by the following parameters: a) DBP absorption of from 100 to 300 ml/100 g; b) a specific surface area of from 30 to 180 m2/g; c) an ash content of less than 0.1% by weight and d) a grit content of not more than 25 ppm, has improved heat-ageing resistance, and also improved resistance to peroxide-containing motor fuels.
    Type: Grant
    Filed: November 17, 1999
    Date of Patent: November 13, 2001
    Assignee: Degussa Huels AG
    Inventors: Franz-Erich Baumann, Reinhard Beuth, Josef Kübber, Michael Schlobohm