Patents by Inventor Norma A. Weston

Norma A. Weston 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).

  • Encapsulated fluorescent composition
    Patent number: 4324682
    Abstract: This invention relates to compositions of matter useful for marking and identification purposes comprising a continuous, pressure rupturable coating containing (1) a fluorescent material and (2) a water-insoluble, volatile, hydrocarbon solvent and a method of marking and identifying objects therewith.
    Type: Grant
    Filed: June 18, 1973
    Date of Patent: April 13, 1982
    Assignee: American Cyanamid Company
    Inventors: Norma A. Weston, Edward J. Schurdak
  • Composition for marking and identification purposes
    Patent number: 4219438
    Abstract: This invention relates to compositions of matter useful for marking and identification purposes comprising a toluene, xylene or benzene solvent, a quinazolone fluorescent material and an alkyd resin and a method of marking and identifying objects therewith.
    Type: Grant
    Filed: December 18, 1970
    Date of Patent: August 26, 1980
    Assignee: American Cyanamid Company
    Inventor: Norma A. Weston