WO9633520-A1  DATABASE WPI Section Ch, Week 9238 Derwent Publications Ltd., London, GB; Class A21, AN 92-310840 XP002010537;  JP,A,04 214 072 (OSAKA GAS CO LTD), 05/08/1992;  PATENT ABSTRACTS OF JAPAN vol. 009, no. 004 (E-288), 10/01/1985 & JP,A,59 154773 (TOSHIBA KK), 03/09/1984;  PATENT ABSTRACTS OF JAPAN vol. 009, no. 159 (E-326), 04/07/1985 & JP,A,60 037670 (FUJI DENKI SOUGOU KENKYUSHO:KK;OTHERS: 01), 27/02/1985;  CHEMICAL ABSTRACTS, vol. 111, no. 6, 07/08/1989 Columbus, Ohio, US; abstract no. 44308w, TACHIBANA H. ET AL: "Glassy carbon -based composites" XP000059174;  JP,A,01 055 974 (NIPPON POLYMER K.K. KOBE STEEL LTD) 10/01/1989;  DATABASE WPI Section Ch, Week 8306 Derwent Publications Ltd., London, GB; Class A81, AN 83-13239K XP002010536;  CHEMICAL ABSTRACTS, vol. 111, no. 6, 7 August 1989 Columbus, Ohio, US; abstract no. 44308w, TACHIBANA H. ET AL: "Glassy carbon -based composites" XP000059174 & JP,A,01 005 974 (NIPPON POLYMER K.K. KOBE STEEL LTD) 10 January 1989;  DATABASE WPI Section Ch, Week 8306 Derwent Publications Ltd., London, GB; Class A81, AN 83-13239K XP002010536 & JP,A,57 209 883 (TOKAI CARBON KK) , 23 December 1982;  DATABASE WPI Section Ch, Week 9238 Derwent Publications Ltd., London, GB; Class A21, AN 92-310840 XP002010537 & JP,A,04 214 072 (OSAKA GAS CO LTD) , 5 August 1992;  PATENT ABSTRACTS OF JAPAN vol. 009, no. 004 (E-288), 10 January 1985 & JP,A,59 154773 (TOSHIBA KK), 3 September 1984,;  PATENT ABSTRACTS OF JAPAN vol. 009, no. 159 (E-326), 4 July 1985 & JP,A,60 037670 (FUJI DENKI SOUGOU KENKYUSHO:KK;OTHERS: 01), 27 February 1985,;  DATABASE WPI Section Ch, Week 8306 Derwent Publications Ltd., London, GB; Class A81, AN 83-13239K XP002010536&JP,A,57 209 883 (TOKAI CARBON KK) , 23 December 1982;  CHEMICAL ABSTRACTS, vol. 111, no. 6, 7 August 1989 Columbus, Ohio, US; abstract no. 44308w, TACHIBANA H. ET AL: "Glassy carbon -based composites" XP000059174&JP,A,01 005 974 (NIPPON POLYMER K.K. KOBE STEEL LTD) 10 January 1989;  DATABASE WPI Section Ch, Week 9238 Derwent Publications Ltd., London, GB; Class A21, AN 92-310840 XP002010537&JP,A,04 214 072 (OSAKA GAS CO LTD) , 5 August 1992;  PATENT ABSTRACTS OF JAPAN vol. 009, no. 004 (E-288), 10 January 1985&JP,A,59 154773 (TOSHIBA KK), 3 September 1984,;  PATENT ABSTRACTS OF JAPAN vol. 009, no. 159 (E-326), 4 July 1985&JP,A,60 037670 (FUJI DENKI SOUGOU KENKYUSHO:KK;OTHERS: 01), 27 February 1985,EP764348-A1  See references of WO 9633520A1