Patents by Inventor Alfred R. Merritt

Alfred R. Merritt 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).

  • Demand ink jet utilizing a phase change ink and method of operating
    Patent number: 5182572
    Abstract: A demand or impulse ink jet ejects droplets of hot melt ink. The hot melt ink is heated from a solid state to a liquid state in the jet prior to the ejection of droplets on demand. The ink is then cooled on striking the target. The ink may contain a wax.
    Type: Grant
    Filed: April 15, 1991
    Date of Patent: January 26, 1993
    Assignee: Dataproducts Corporation
    Inventors: Alfred R. Merritt, Theodore M. Cooke, An-Chung R. Lin, Richard G. Whitfield
  • Drop on demand ink jet ink comprising dubutyl sebecate
    Patent number: 4822418
    Abstract: A novel ink jet composition for use in drop on demand ink jet printers is disclosed comprising 85-99 weight percent of a vehicle consisting essentially of dibutyl sebacate and oleic acid. In the preferred embodiment, the dibutyl sebacate comprises between about 40 to 65, preferably about 60 weight percent of said ink. The subject ink, when utilizing an infrared readable colorant such as nigrosine base, is particularly suited for generating IR readable bar codes.
    Type: Grant
    Filed: January 27, 1988
    Date of Patent: April 18, 1989
    Assignee: Dataproducts Corporation
    Inventors: An-Chung R. Lin, Theodore M. Cooke, Alfred R. Merritt
  • Natural wax-containing ink jet inks
    Patent number: 4484948
    Abstract: A natural wax-containing ink jet ink for use in an ink jet apparatus which features good print quality. The ink jet ink is discharged from the ink jet ink apparatus at elevated temperatures above ambient.
    Type: Grant
    Filed: June 27, 1983
    Date of Patent: November 27, 1984
    Assignee: Exxon Research and Engineering Co.
    Inventors: Alfred R. Merritt, Theodore M. Cooke, An-Chung R. Lin, Richard G. Whitfield
  • Natural wax-containing ink jet inks
    Patent number: 4390369
    Abstract: A natural wax-containing ink jet ink for use in an ink jet apparatus which features good print quality. The ink jet ink is discharged from the ink jet ink apparatus at elevated temperatures above ambient.
    Type: Grant
    Filed: December 17, 1981
    Date of Patent: June 28, 1983
    Assignee: Exxon Research and Engineering Co.
    Inventors: Alfred R. Merritt, Theodore M. Cooke, An-Chung R. Lin, Richard G. Whitfield