Patents Assigned to Kabushiki Kaisha Nichinan Kagaku
  • Dampening water composition
    Patent number: 5362779
    Abstract: A dampening water composition which is inexpensive and which does not contaminate working environment as well as exterior environment wherein the dampening water composition comprising water, a pH buffering agent, a water-soluble polymer and n-propyl alcohol, wherein at least a portion of the water-soluble polymer comprises pullulan.
    Type: Grant
    Filed: December 2, 1992
    Date of Patent: November 8, 1994
    Assignees: Dai Nippon Printing Co., Ltd., Kabushiki Kaisha Nichinan Kagaku
    Inventors: Takuo Kitayama, Isamu Setoguchi