Patents by Inventor Wallace R. Lundquist

Wallace R. Lundquist 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).

  • Color proofing system
    Patent number: 5529878
    Abstract: A presensitized color proofing sheet and method of obtaining an image on a paper substrate is disclosed herein. The color proofing sheet is comprised of a color layer, an optional barrier layer, both being light sensitive, and non-light sensitive solvent resistant adhesive layer with the barrier layer being present to provide a means of eliminating residual toning between adjacent layers in the structure.
    Type: Grant
    Filed: May 22, 1995
    Date of Patent: June 25, 1996
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Gilles Menard, Wallace R. Lundquist
  • Negative single sheet color proofing system based on aqueous developable photo-oligomers
    Patent number: 5248583
    Abstract: A photosensitive color proofing article comprising in the following order:a) a carrier layer,b) a release layer which acts as an oxygen barrier layer,c) a photopolymerizable layer comprising a multifunctional acrylate oligomer and a colorant,d) a photopolymerizable barrier layer, ande) a thermal adhesive layer.
    Type: Grant
    Filed: August 30, 1991
    Date of Patent: September 28, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Wallace R. Lundquist, Thomas P. Klun, Michael B. Heller, Leonard W. Sachi