Patents by Inventor John H. Connelly

John H. Connelly 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 for projection cathode ray tube faceplate
    Patent number: 4830990
    Abstract: This invention relates to glass compositions especially suitable for projection cathode ray tube faceplates which are essentially free from PbO and other readily reducible metal oxides, fluorine, ZnO, TiO.sub.2, and MgO, and which consist essentially, in weight percent, of______________________________________ Li.sub.2 O 0.75-3 Li.sub.2 O + Na.sub.2 O + K.sub.2 O 11-16 Na.sub.2 O 5-7 CaO + SrO + BaO 21.5-26 K.sub.2 O 5-7 Al.sub.2 O.sub.3 1-2 SrO 7.5-10 ZrO.sub.2 2-7 BaO 14-16 CeO.sub.2 0.4-0.8 CaO 0-3 SiO.sub.2 55-60.
    Type: Grant
    Filed: August 31, 1988
    Date of Patent: May 16, 1989
    Assignee: Corning Glass Works
    Inventor: John H. Connelly
  • Glass for cathode ray tube faceplates
    Patent number: 4734388
    Abstract: The present invention relates to glass compositions suitable for cathode ray tube faceplates which are essentially free from readily reducible metal oxides, MgO, and fluorine, and which consist essentially, in weight percent on the oxide basis, of:______________________________________ SiO.sub.2 60-63 BaO 5.5-8.5 ZrO.sub.2 + Al.sub.2 O.sub.3 >4-6.25 Li.sub.2 O 0.25-0.8 CaO 1.5-4.0 Sb.sub.2 O.sub.3 0.25-0.55 Na.sub.2 O 7.25-9.25 TiO.sub.2 0.25-0.75 As.sub.2 O.sub.3 0-0.25 K.sub.2 O 6-8.25 ZrO.sub.2 4-6.25 Sb.sub.2 O.sub.3 + As.sub.2 O.sub.3 0.35-0.75 SrO 5.5-8.5 Al.sub.2 O.sub.3 0-<2 CeO.sub.2 0.15-0.5.
    Type: Grant
    Filed: November 4, 1986
    Date of Patent: March 29, 1988
    Assignee: Corning Glass Works
    Inventors: Robert A. Cameron, John H. Connelly