Patents by Inventor Dechun Fu

Dechun Fu 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).

  • High fluorine frits for continuous casting of metals
    Patent number: 6171361
    Abstract: A glass composition which is lithium-free and which is suitable as a metallurgical mold powder includes, based on total weight of the glass composition: Oxide wt % Na2O  0.2-14.4 K2O 0.0-2.5 CaO 31.0-41.9 Al2O3 4.9-8.5 B2O3 0.00-1.9  SiO2 15.6-30.0 F 18.1-30.8 wherein the glass composition has a total content of Na2O+K2O+CaO which ranges from about 38.4 to about 52.6% so that the glass composition is lithium-free and suitable as a metallurgical mold powder.
    Type: Grant
    Filed: May 7, 1996
    Date of Patent: January 9, 2001
    Assignee: PEMCO Corporation
    Inventors: Dechun Fu, Manfred Beck
  • Cobalt-free, black, dual purpose porcelain enamel glass
    Patent number: 5512521
    Abstract: A borosilicate glass composition suitable for porcelain enamel applications is disclosed. Accordingly, a black, cobalt-free composition which contains a significant amount of iron oxide was found to be suitable for enameling cast iron and non-pickled steel substrates. The inventive glass is suitable for applications requiring black color, acid resistance, thermal durability and water vapor resistance. In particular, the inventive glass can be used both as a ground coat and a cover coat.
    Type: Grant
    Filed: March 9, 1995
    Date of Patent: April 30, 1996
    Assignee: Bayer Corporation
    Inventors: Dechun Fu, Vernon J. Grebe