Patents Assigned to Asaki Glass Company Ltd.
  • Patent number: 5116426
    Abstract: A method for cleaning a surface of a substrate which comprises treating the surface with a dichloro-pentafluoro-propane solvent. The method is specifically directed to the use of 1,1-dichloro-2,2,3,3,3-pentafluoro propane and 1,3-dichloro-1,1,2,2,3-pentafluoropropane as the cleaning solvent.
    Type: Grant
    Filed: October 25, 1990
    Date of Patent: May 26, 1992
    Assignee: Asaki Glass Company Ltd.
    Inventors: Teruo Asano, Naohiro Watanabe, Kazuki Jinushi, Shunichi Samejima