EP615299-A1  CHEMICAL ABSTRACTS, vol. 116, no. 16, 20 April 1992, Columbus, Ohio, US; abstracts no. 155497e, YOSHIDA ET AL "High-temperature solid-electrolyte fuel cells" & JP-A-03 285 266 (TONEN CORP);  PATENT ABSTRACTS OF JAPAN vol. 15, no. 277 (E-1089) 15 July 1991 & JP-A-03 095 864 (FUJIKURA LTD);  PATENT ABSTRACTS OF JAPAN vol. 15, no. 348 (E-1107) 4 September 1991 & JP-A-03 134 963 (FUJI ELECTRIC CO LTD);  PATENT ABSTRACTS OF JAPAN vol. 15, no. 371 (E-1113) 18 September 1991 & JP-A-03 147 268 (SANYO ELECTRIC CO LTD);  PATENT ABSTRACTS OF JAPAN vol. 15, no. 506 (E-1148) 20 December 1991 & JP-A-03 222 206 (MATSUSHITA ELECTRIC IND CO LTD);  PATENT ABSTRACTS OF JAPAN vol. 16, no. 513 (E-1283) 22 October 1992 & JP-A-04 190 564 (TOKYO GAS CO LTD);  CHEMICAL ABSTRACTS, vol. 116, no. 16, 20 April 1992, Columbus, Ohio, US; abstract no. 155497e, YOSHIDA ET AL 'High-temperature solid-electrolyte fuel cells' & JP-A-03 285 266 (TONEN CORP) 16 December 1991;  PATENT ABSTRACTS OF JAPAN vol. 15, no. 277 (E-1089) 15 July 1991 & JP-A-03 095 864 (FUJIKURA LTD) 22 April 1991;  PATENT ABSTRACTS OF JAPAN vol. 15, no. 348 (E-1107) 4 September 1991 & JP-A-03 134 963 (FUJI ELECTRIC CO LTD) 7 June 1991;  PATENT ABSTRACTS OF JAPAN vol. 15, no. 371 (E-1113) 18 September 1991 & JP-A-03 147 268 (SANYO ELECTRIC CO LTD) 24 June 1991;  PATENT ABSTRACTS OF JAPAN vol. 15, no. 506 (E-1148) 20 December 1991 & JP-A-03 222 206 (MATSUSHITA ELECTRIC IND CO LTD) 1 October 1991;  PATENT ABSTRACTS OF JAPAN vol. 16, no. 513 (E-1283) 22 October 1992 & JP-A-04 190 564 (TOKYO GAS CO LTD) 8 July 1992;  PATENT ABSTRACTS OF JAPAN vol. 16, no. 513 (E-1283) 22 October 1992&JP-A-04 190 564 (TOKYO GAS CO LTD) 8 July 1992;  CHEMICAL ABSTRACTS, vol. 116, no. 16, 20 April 1992, Columbus, Ohio, US; abstract no. 155497e, YOSHIDA ET AL 'High-temperature solid-electrolyte fuel cells'&JP-A-03 285 266 (TONEN CORP) 16 December 1991;  PATENT ABSTRACTS OF JAPAN vol. 15, no. 277 (E-1089) 15 July 1991&JP-A-03 095 864 (FUJIKURA LTD) 22 April 1991;  PATENT ABSTRACTS OF JAPAN vol. 15, no. 506 (E-1148) 20 December 1991&JP-A-03 222 206 (MATSUSHITA ELECTRIC IND CO LTD) 1 October 1991;  PATENT ABSTRACTS OF JAPAN vol. 15, no. 371 (E-1113) 18 September 1991&JP-A-03 147 268 (SANYO ELECTRIC CO LTD) 24 June 1991;  PATENT ABSTRACTS OF JAPAN vol. 15, no. 348 (E-1107) 4 September 1991&JP-A-03 134 963 (FUJI ELECTRIC CO LTD) 7 June 1991EP615299-B1  CHEMICAL ABSTRACTS, vol. 116, no. 16, 20 April 1992, Columbus, Ohio, US; abstract no. 155497e, YOSHIDA ET AL 'High-temperature solid-electrolyte fuel cells';  PATENT ABSTRACTS OF JAPAN vol. 15, no. 277 (E-1089) 15 July 1991 and JP-A-03 095 864 (FUJIKURA LTD) 22 April 1991;  PATENT ABSTRACTS OF JAPAN vol. 15, no. 348 (E-1107) 4 September 1991 and JP-A-03 134 963 (FUJI ELECTRIC CO LTD) 7 June 1991;  PATENT ABSTRACTS OF JAPAN vol. 15, no. 371 (E-1113) 18 September 1991 and JP-A-03 147 268 (SANYO ELECTRIC CO LTD) 24 June 1991;  PATENT ABSTRACTS OF JAPAN vol. 15, no. 506 (E-1148) 20 December 1991 and JP-A-03 222 206 (MATSUSHITA ELECTRIC IND CO LTD) 1 October 1991;  PATENT ABSTRACTS OF JAPAN vol. 16, no. 513 (E-1283) 22 October 1992 and JP-A-04 190 564 (TOKYO GAS CO LTD) 8 July 1992