Patents by Inventor André Beyrle

André Beyrle 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).

  • Patent number: 6849301
    Abstract: The present invention relates to a process for manufacturing recyclable black enamels that contain at least zinc, in which process glass forming materials comprising at least bismuth, silicon, boron and manganese are melted, at temperatures greater than about 900° C., and then a glass frit comprising at least zinc is added to the mixture obtained after this direct melting. The invention also relates to zinc-based recyclable black enamel compositions.
    Type: Grant
    Filed: August 13, 2002
    Date of Patent: February 1, 2005
    Assignee: Saint-Gobain Glass France
    Inventors: André Beyrle, Daniel Dages