Patents by Inventor Chad E. DeForest

Chad E. DeForest 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).

  • Method of making a lead-activated strontium hexaborate phosphor
    Patent number: 8070985
    Abstract: There is provided a method of making a SrB6O10:Pb phosphor that increases the manufactured quantity of the SrB6O10:Pb phosphor by approximately seven fold when using the same size reaction vessel, decreases the lead-containing waste stream, and eliminates the use of hazardous concentrated ammonium hydroxide. The UV emission brightness is equivalent to or better than the same phosphor when prepared using prior methods.
    Type: Grant
    Filed: June 2, 2009
    Date of Patent: December 6, 2011
    Assignee: OSRAM SYLVANIA Inc.
    Inventors: Gregory A. Marking, Eric R. Mercer, Chad E. DeForest
  • METHOD OF MAKING A LEAD-ACTIVATED STRONTIUM HEXABORATE PHOSPHOR
    Publication number: 20090309067
    Abstract: There is provided a method of making a SrB6O10:Pb phosphor that increases the manufactured quantity of the SrB6O10:Pb phosphor by approximately seven fold when using the same size reaction vessel, decreases the lead-containing waste stream, and eliminates the use of hazardous concentrated ammonium hydroxide. The UV emission brightness is equivalent to or better than the same phosphor when prepared using prior methods.
    Type: Application
    Filed: June 2, 2009
    Publication date: December 17, 2009
    Applicant: OSRAM SYLVANIA INC.
    Inventors: Gregory A. Marking, Chad E. DeForest, Eric R. Mercer