Patents by Inventor Tsuneo Kusaka

Tsuneo Kusaka 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).

  • Dye solution for photosensitive lithographic printing plate requiring no fountain solution
    Patent number: 5580704
    Abstract: The present invention provides a dye solution for a photosensitive lithographic printing plate requiring no fountain solution comprising a photosensitive layer and a silicone rubber layer provided in this order on a support, which comprises at least one basic dye, at least one organic solvent having a water solubility of less than 10% at 20.degree. C., at least one hydrotrope agent, and at least one anionic surface active agent represented by the following general formula (I):R.sup.1 O--(CH.sub.2 CH.sub.2 O).sub.n --SO.sub.3 M.sup.1 (I)whereinR.sup.1 represents an alkyl, aryl, aralkyl, alkenyl or alkynyl group;M.sup.1 represents an alkaline metal, NH.sub.4, NH(C.sub.2 H.sub.4 OH).sub.3, NH.sub.2 (C.sub.2 H.sub.4 OH).sub.2 or NH.sub.3 (C.sub.2 H.sub.4 OH); andn represents an integer 1 to 100.
    Type: Grant
    Filed: July 14, 1995
    Date of Patent: December 3, 1996
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Susumu Yoshida, Tsuneo Kusaka, Yoshihiko Urabe