Patents by Inventor Johannes J. W. Murkens

Johannes J. W. Murkens 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).

  • Glass composition for use in glazes or enamels
    Patent number: 5203902
    Abstract: A glass flux composition consisting essentially by weight of 45-65% Bi.sub.2 O.sub.3, 25-36% SiO.sub.2, 4-6% TiO.sub.2, 1-3% Na.sub.2 O, 0.5-2% K.sub.2 O, 2-6% Li.sub.2 O, 0-3% Al.sub.2 O.sub.3, 0-1% ZrO.sub.2, 0-1% BaO, 0-1% CaO, 0-1% MgO, 0-1% ZnO, 0-3% PbO and 0-0.5% CdO is useful for preparing a glaze or enamel composition especially for application to glass such that the composition is then fired in contact with a mould surface or with another glass surface.
    Type: Grant
    Filed: November 25, 1991
    Date of Patent: April 20, 1993
    Assignee: Johnson Matthey Public Limited Company
    Inventor: Johannes J. W. Murkens
  • Glass composition for use in glazes or enamels
    Patent number: 5093285
    Abstract: A glass flux composition consisting essentially by weight of 45-65% Bi.sub.2 O.sub.3, 25-36% SiO.sub.2, 4-6% B.sub.2 O.sub.3, 3-6% TiO.sub.2, 1-3% Na.sub.2 O, 0.5-2% K.sub.2 O, 2-6% Li.sub.2 O, 0-3% Al.sub.2 O.sub.3, 0-1% ZrO.sub.2, 0-1% BaO, 0-1% CaO, 0-1% MgO, 0-1% ZnO, 0-3% PbO and 0-0.5% CdO is useful for preparing a glaze or enamel composition especially for application to glass such that the composition is then fired in contact with a mould surface or with another glass surface.
    Type: Grant
    Filed: November 6, 1989
    Date of Patent: March 3, 1992
    Assignee: Johnson Matthey Public Limited Company
    Inventor: Johannes J. W. Murkens