Patents Examined by P. C. Stuby
  • Reflection-preventive pellicle film
    Patent number: 4966813
    Abstract: A reflection-preventive layer composed of a specific polyfluoro(meth)acrylate is formed on one or both of the surfaces of a transparent film of a cellulose derivative. In this reflection-preventive pellicle film, the minimum light transmission in wavelengths of 350 to 450 nm is improved and the average light transmission is improved, and the adhesion of the reflection-preventive layer to the cellulose derivative layer is excellent.
    Type: Grant
    Filed: July 11, 1988
    Date of Patent: October 30, 1990
    Assignee: Mitsui Petrochemical Industries, Ltd.
    Inventors: Tokinori Agou, Hitomi Matsuzaki, Masahide Tanaka, Takamasa Tsumoto, Masaaki Kawasaki, Takami Nishikawa, Shuji Minami