Patents by Inventor Manfred Grundmeier

Manfred Grundmeier 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).

  • Polycarbonate film
    Patent number: 4140730
    Abstract: A polycarbonate film having improved flame resistance and good stress-corrosion-cracking resistance is prepared from a solution of a mixture of a low molecular weight polycarbonate containing at least about 5% by weight halogen and a higher molecular weight polycarbonate prepared from bisphenol containing at least 90 mol percent bisphenol A. The novel film can be used to advantage for self-supporting electrical insulating films.
    Type: Grant
    Filed: June 26, 1978
    Date of Patent: February 20, 1979
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rudolph Binsack, Manfred Grundmeier, Eckart Reese, Hugo Vernaleken
  • Polycarbonate molding compositions
    Patent number: 4056504
    Abstract: The present invention is concerned with polycarbonate molding resins with improved flow and strength properties which contain about 10 to 40 wt.% glass fibers and about 0.5 to 5 wt. % of polyalkylene glycol terephthalate or about 0.5 to 10 wt.% of polyalkylene glycol isophthalate.
    Type: Grant
    Filed: January 7, 1976
    Date of Patent: November 1, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Manfred Grundmeier, Rudolf Binsack, Hugo Vernaleken