Patents by Inventor Manfred Tschacher

Manfred Tschacher 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).

  • Fiber-reinforced material and production and use thereof
    Patent number: 6524979
    Abstract: There is described a fiber-reinforced material composed of a sheetlike textile material and a thermoset resin with a fiber content of from 30 to 70% by weight, at least 30% of the fiber being synthetic fiber. The thermoset resin is preferably a phenolic resin which contains up to 25% by weight of a fluoropolymer. The sheetlike textile material is preferably 100% synthetic fiber, in particular polyacrylonitrile fiber. There are also described a prepeg formed from the textile material and the thermosetting resin and the process for producing these articles and the use of the material for producing construction elements, in particular for hydraulic systems, by application of mechanical shaping processes.
    Type: Grant
    Filed: March 8, 1999
    Date of Patent: February 25, 2003
    Assignee: Hoechst AG & Reitex Hydraulik GmbH
    Inventors: Georg Michael Lorenz, Elke Gebauer, Ulrich Schuster, Manfred Tschacher, Burgnard Schönrogge
  • Fiber-reinforced material and production and use thereof
    Patent number: 5880043
    Abstract: There is described a fiber-reinforced material composed of a sheetlike textile material and a thermoset resin with a fiber content of from 30 to 70% by weight, at least 30% of the fiber being synthetic fiber.The thermoset resin is preferably a phenolic resin which contains up to 25% by weight of a fluoropolymer.The sheetlike textile material is preferably 100% synthetic fiber, in particular polyacrylonitrile fiber.There are also described a prepreg formed from the textile material and the thermosetting resin and the process for producing these articles and the use of the material for producing construction elements, in particular for hydraulic systems, by application of mechanical shaping processes.
    Type: Grant
    Filed: November 1, 1996
    Date of Patent: March 9, 1999
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Georg Michael Lorenz, Elke Gebauer, Ulrich Schuster, Manfred Tschacher, Burghard Schonrogge
  • Optical waveguide
    Patent number: 4991932
    Abstract: An optical waveguide having a core-sheath structure whose core comprises a terpolymer based on vinylidene fluoride, tetrafluoroethylene and hexafluoropropylene, is suitable for transmission paths of ca. 10 to ca. 100 m and can also be used at a temperature of above 100.degree. C. without significant reduction of the transmission path.
    Type: Grant
    Filed: April 26, 1989
    Date of Patent: February 12, 1991
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Peter Herbrechtsmeier, Gerhard Wieners, Jurgen Kuhls, Herbert Fitz, Manfred Tschacher
  • Optical waveguide
    Patent number: 4984870
    Abstract: An optical waveguide having a core/sheath structure whose sheath comprises a polymer which is based on vinylidene fluoride and at least one other vinyl monomer containing fluorine and has been modified and crosslinked with a trisalkoxyvinylsilane, is suitable for transmission paths of ca. 10 to 100 m and can also be used at a temperature above 100.degree. C. without any significant reduction in the transmission path.
    Type: Grant
    Filed: April 26, 1989
    Date of Patent: January 15, 1991
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Peter Herbrechtsmeier, Gerhard Wieners, Jurgen Kuhls, Manfred Tschacher, Herbert Fitz
  • Optical waveguide with polymer core and polymer cladding
    Patent number: 4979799
    Abstract: An optical waveguide having a core/sheath structure whose sheath comprises a terpolymer based on vinylidene fluoride, tetrafluoroethylene and hexafluorpropylene, is suitable for transmission paths of ca. 10 to 100 m and can also be used at a temperature of above 100.degree. C. without significant reduction of the transmission path.
    Type: Grant
    Filed: April 26, 1989
    Date of Patent: December 25, 1990
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Peter Herbrechtsmeier, Gerhard Wieners, Jurgen Kuhls, Manfred Tschacher, Herbert Fitz
  • Optical waveguide with polymer core and polymer cladding
    Patent number: RE34901
    Abstract: An optical waveguide having a core/sheath structure whose sheath comprises a terpolymer based on vinylidene fluoride, tetrafluoroethylene and hexafluorpropylene, is suitable for transmission paths of ca. 10 to 100 m an can also be used at a temperature of above 100.degree. C. without significant reduction of the transmission path.
    Type: Grant
    Filed: December 24, 1992
    Date of Patent: April 11, 1995
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Peter Herbrechtsmeier, Gerhard Wieners, Jurgen Kuhls, Manfred Tschacher, Herbert Fitz