Patents by Inventor Yuiko Hayden

Yuiko Hayden 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).

  • Strengthenable, high neodymium-containing glasses
    Patent number: 5077240
    Abstract: A strengthened high NdO.sub.3 -containing glass has the composition of, in weight percent______________________________________ SiO.sub.2 40-60 Nd.sub.2 O.sub.3 10-30 As.sub.2 O.sub.3 /Sb.sub.2 O.sub.3 0-1 B.sub.2 O.sub.3 5.15 Na.sub.2 O 3-18 ZnO 0.1-10 Li.sub.2 O 0-3 K.sub.2 O 0-3 Al.sub.2 O.sub.3 0-7 PbO 0-15 MgO 0-3 CaO 0-3 BaO 0-3 SrO 0-3 .SIGMA.V.sub.2 O.sub.5, Cr.sub.2 O.sub.3, Mn.sub.2 O.sub.3 0-7 Fe.sub.2 O.sub.3, CoO, NiO, CuO TiO.sub.2 0-5 Pr.sub.6 O.sub.11 0-1.
    Type: Grant
    Filed: January 11, 1990
    Date of Patent: December 31, 1991
    Assignee: Schott Glass Technologies, Inc.
    Inventors: Yuiko Hayden, David Krashkevich