Patents by Inventor Benjamin F. Livingston

Benjamin F. Livingston 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).

  • Aliphatic polyurethane matrix transfer medium and porous magnesium silicate filler
    Patent number: 4585692
    Abstract: A matrix transfer medium with the binder being an aliphatic polyester polyurethane. This is formed directly on an untensilized polyethylene terephthalate film substrate. Porous magnesium silicate in minor amounts as a filler beneficially controls ink flow at printing. Overall good performance as to both ribbon feed and printing is realized.
    Type: Grant
    Filed: June 15, 1984
    Date of Patent: April 29, 1986
    Assignee: International Business Machines Corp.
    Inventors: David R. Klueh, Benjamin F. Livingston, James F. Martone, Martin J. Zutt, Jr.
  • Pressure sensitive correction composition and method of use
    Patent number: 4289670
    Abstract: Low tack pressure sensitive compositions containing a paraffinic wax and/or polyethylene resin, a tackifier, an isobutylene polymer, and a copolymer of ethylene and/or propylene and a monoethylenically unsaturated ester; and use thereof to remove erroneously typed images from a substrate.
    Type: Grant
    Filed: December 20, 1979
    Date of Patent: September 15, 1981
    Assignee: International Business Machines Corporation
    Inventors: Fred M. Creekmore, Dorothy J. Kennair, Benjamin F. Livingston, Joseph J. Sabad
  • Adhesive correction composition and method of use
    Patent number: 4289666
    Abstract: Low tack pressure sensitive compositions containing polyethylene, a tackifier, an isobutylene polymer, a copolymer of ethylene and/or propylene and a monoethylenically unsaturated ester and a carboxylic acid and/or ester thereof and use thereof to remove erroneously typed images from a substrate.
    Type: Grant
    Filed: December 20, 1979
    Date of Patent: September 15, 1981
    Assignee: International Business Machines Corporation
    Inventors: Fred M. Creekmore, Dorothy J. Kennair, Benjamin F. Livingston, James F. Martone, Joseph J. Sabad