Patents by Inventor Dunja Straub

Dunja Straub 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).

  • Process for producing hollow comprising fiber-reinforced ceramic materials
    Patent number: 7276203
    Abstract: A process for producing hollow bodies comprising fiber-reinforced ceramic materials, in which a green body comprising compressible cores and a mouldable composition comprising binders and fiber material which is pressed with compression of the core is produced, the green body is cured and carbonized and pyrolysed by heating in a nonoxidizing atmosphere and, if desired, the body is silicized, hollow bodies produced in this way and their use, in particular as brake and clutch disks
    Type: Grant
    Filed: December 18, 2003
    Date of Patent: October 2, 2007
    Assignee: Audi AG
    Inventors: Arno Sommer, Dieter Huber, Dunja Straub
  • Process for producing hollow bodies comprising fiber-reinforced ceramic materials
    Publication number: 20040130046
    Abstract: A process for producing hollow bodies comprising fiber-reinforced ceramic materials, in which a green body comprising compressible cores and a mouldable composition comprising binders and fiber material which is pressed with compression of the core is produced, the green body is cured and carbonized and pyrolysed by heating in a nonoxidizing atmosphere and, if desired, the body is silicized, hollow bodies produced in this way and their use, in particular as brake and clutch disks
    Type: Application
    Filed: December 18, 2003
    Publication date: July 8, 2004
    Inventors: Arno Sommer, Dieter Huber, Dunja Straub
  • Process for producing hollow bodies comprising fiber-reinforced ceramic materials
    Publication number: 20040126535
    Abstract: A process for producing hollow bodies comprising fiber-reinforced ceramic materials, in which a green body comprising compressible cores and a press moulding composition comprising binder and fiber material which is pressed with compression of the core is produced, the green body is cured and carbonized and pyrolyzed by heating in a nonoxidizing atmosphere and, if desired, is silicized, hollow bodies produced in this way and their use, in particular as brake and clutch discs
    Type: Application
    Filed: July 22, 2003
    Publication date: July 1, 2004
    Inventors: Arno Sommer, Dieter Huber, Dunja Straub, Vahid Shafi