Patents Assigned to SHOWA DENKO CO., LTD
  • FUEL CELL ELECTRODE AND PRODUCTION PROCESS THEREOF
    Publication number: 20120264034
    Abstract: A fuel cell electrode that contains a support layer and a catalyst layer, wherein the catalyst layer does not contain a noble metal catalyst and is formed of carbon nanotubes, wherein the carbon nanotubes have pores in sidewalls thereof, and have a pore size distribution of 0.1 nm to 30 nm and a BET specific surface area of 100 to 4,000 m2/g, wherein the pores penetrate or do not penetrate the sidewalls.
    Type: Application
    Filed: February 3, 2012
    Publication date: October 18, 2012
    Applicants: SHOWA DENKO CO., LTD, TOKYO INSTITUTE OF TECHNOLOGY
    Inventors: Keiko WAKI, Masashi TAKANO, Kunchan LEE
  • Plasticizer for chloroprene rubber and plasticized chloroprene rubber
    Patent number: 4908400
    Abstract: A plasticizer for chloroprene rubber represented by the following general formula (I):R.sub.1 (O--R).sub.m S(R--O).sub.n R.sub.2 (I)wherein R.sub.1 and R.sub.2 independently represent each a saturated or unsaturated aliphatic monoacyl group having 4 to 24 carbon atoms;R represents an alkylene group having two to four carbon atoms; andm and n represent each an integer of 1 to 4:is disclosed.
    Type: Grant
    Filed: May 23, 1988
    Date of Patent: March 13, 1990
    Assignees: Du Pont-Showa Denko Co., Ltd., Adeka Argus Chemical Co., Ltd.
    Inventors: Yasushi Hirose, Kenji Iijima, Humihiro Kashima, Naoyasu Kurita, Koji Tajima, Hiroshi Hondou