Patents Examined by Caleie E. Shosho
  • Rubber molded product
    Patent number: 6037397
    Abstract: A rubber molded product containing an inorganic filler, in which the relation of an inorganic filler content and a thermal resistance is within the range enclosed by lines connecting points A (20,1.5), B (20,0.1) and C (50,0.1) in the X-Y coordinates wherein the X coordinate expresses the inorganic filler content (vol %) and the Y coordinate expresses the thermal resistance per 1 mm thickness (.degree. C./W).
    Type: Grant
    Filed: June 25, 1998
    Date of Patent: March 14, 2000
    Assignee: Denki Kagaku Kogyo Kabushiki Kaisha
    Inventors: Mikitoshi Satoh, Tsutomu Yamaguchi, Hiroaki Sawa, Kazuyoshi Ikeda, Masato Nishikawa
  • Ink compositions containing vinyl pyrrolidinone/vinyl imidazolium copolymers
    Patent number: 5990198
    Abstract: Disclosed is an ink composition which comprises (1) water; (2) an anionic dye; and (3) a copolymer of vinyl pyrrolidinone and a vinyl imidazolium salt. Also disclosed are methods for using the aforementioned ink compositions in ink jet printing processes.
    Type: Grant
    Filed: March 24, 1998
    Date of Patent: November 23, 1999
    Assignee: Xerox Corporation
    Inventor: William M. Schwarz, Jr.