Patents Examined by M. Kopac
  • Graphite interlaminar compound and method for producing the same
    Patent number: 5346650
    Abstract: Graphite intercalation compound interposing at least PbCl.sub.2 interlaminarly among graphite, synthesized by mixing a raw material graphite, PbCl.sub.2, and a metal halide other than PbCl.sub.2 and heating the mixture.
    Type: Grant
    Filed: August 16, 1993
    Date of Patent: September 13, 1994
    Assignee: Alps Electric Co., Ltd.
    Inventors: Osamu Toda, Michio Inagaki, Masahiko Ohhira
  • Polycyanamide compounds generating photoelectric current and process for their preparation
    Patent number: 5259988
    Abstract: A polycyanamide compound represented by the general formula (I): ##STR1## wherein A is ##STR2## X is an integer ranging from 10 to 30. This polycyanamide compound of the formula (I) is a photoelectric material and, in this respect, can be used for photovoltaic cells, macromolecular cells and functional elements such as photo sensors.
    Type: Grant
    Filed: December 3, 1992
    Date of Patent: November 9, 1993
    Assignee: Korea Institute of Science and Technology
    Inventors: Sang W. Park, Kyung H. Yoo, Yong K. Kang, Young H. Lee, Hyung Y. Kim, Hyon T. Kwak, Yeong I. Lee