Patents by Inventor by Edward A. Wielicki, executor

by Edward A. Wielicki, executor 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).

  • Fluorescent lamps and improved yttrium-containing phosphors useful therein
    Patent number: 5268614
    Abstract: Yttrium-containing phosphors can be stabilized for use in an aqueous slurry containing a binder, which slurry can be used for coating fluorescent lamps by treating with ammonium dihydrogen phosphate and ammonium hydrogen difluoride to inactivate free yttrium ions. The resulting aqueous slurry is stable and provides coated fluorescent lamps having uniform coatings that are bright and long lasting.
    Type: Grant
    Filed: June 30, 1992
    Date of Patent: December 7, 1993
    Assignee: General Electric Company
    Inventors: Mohamed E. Labib, Henry Wielicki, deceased, by Edward A. Wielicki, executor, by Joanna Wielicki, executrix, Pamela K. Whitman