EP520469-A2  CHEMICAL ABSTRACTS, vol. 111, no. 24, 11 December 1989 Columbus, Ohio, US; abstract no. 220951m, RAZAQ, M. ET AL 'Electrochemical characteristics of acid electrolytes for fuel cells. Final report august 1 1985-december 31 1988 ' & REPORT 1989, GRI-89/0025; ORDER NO. PB89-178768,;  CHEMICAL ABSTRACTS, vol. 114, no. 24, 17 June 1991 Columbus, Ohio, US; abstract no. 232070y, KAMIIDE MAKOTO ET AL 'Electrolytes for phosphoric acid fuel cells' & JP-A-03 034 266 (YAMAHA MOTOR CO) 14 February 1991;  CHEMICAL ABSTRACTS, vol. 83, no. 16, 20 October 1975 Columbus, Ohio, US; abstract no. 134925c, BAKER BERNARD S. 'Electrolyte for hydrocarbon air fuel cells' & U. S. NTIS AD-A REP 1975 NO 007220,;  FINAL REPORT (APRIL 1985- MARCH 1989) CONTRACT NR 5084-260-1086 , September 1989 CLEMSON, pages 1-16, DARRYL D. DESMARTEAU 'NOVEL FLUORINATED ACIDS FOR PHOSPHORIC ACID FUEL CELLS';  JOURNAL OF THE ELECTROCHEMICAL SOCIETY, vol. 130,no. 4, April 1983 MANCHESTER, NEW HAMPSHIRE US, pages 882-885, PHILIP N. ROSS, JR 'Evaluation of Tetrafluoroethane-1,2-Disulfonic Acid as a Fuel Cell Electrolyte';  JOURNAL OF THE ELECTROCHEMICAL SOCIETY, vol. 136,no. 2, February 1989 MANCHESTER, NEW HAMPSHIRE US, pages 385-390, M. RAZAQ ET AL 'Perfluorosulfonimide as an Additive in Phosphoric Acid Fuel Cell';  REPORT 1991, FCR-11645A, GRI-91/0139; ORDER NO. PB91-206615, May 1991 USA, pages 1-21, 'IMPACT OF FUNDAMENTAL TECHNICAL IMPROVEMENTS to Natural Gas Fuel Cells'US5344722-A  Chemical Abstract, vol. 109 (14), 113411x. 1988;  J. Electrochem. Soc. Electrochemical Science and Technology, vol. 133 (11), pp. 2262-2267, Nov. 1986EP520469-A3  CHEMICAL ABSTRACTS, vol. 114, no. 24, 17/06/1991 Columbus, Ohio, US; abstract no. 232070y, KAMIIDE MAKOTO ET AL "Electrolytes for phosphoric acid fuel cells" & JP03 034 266 (YAMAHA MOTOR CO) 14/02/1991;  FINAL REPORT (APRIL 1985- MARCH 1989) CONTRACT NR 5084-260-1086, September 1989 CLEMSON, pages 1-16, DARRYL D. DESMARTEAU "NOVEL FLUORINATED ACIDS FOR PHOSPHORIC ACID FUEL CELLS";  JOURNAL OF THE ELECTROCHEMICAL SOCIETY, vol. 130,no. 4, April 1983 MANCHESTER, NEW HAMPSHIRE US, pages 882-885, PHILIP N. ROSS, JR "Evaluation of Tetrafluoroethane-1,2-Disulfonic Acid as a Fuel Cell Electrolyte";  JOURNAL OF THE ELECTROCHEMICAL SOCIETY, vol. 136,no. 2, February 1989 MANCHESTER, NEW HAMPSHIRE US, pages 385-390, M. RAZAQ ET AL "Perfluorosulfonimide as an Additive in Phosphoric Acid Fuel Cell";  REPORT 1991, FCR-11645A, GRI-91/0139; ORDER NO. PB91-206615, May 1991 USA, pages 1-21, "IMPACT OF FUNDAMENTAL TECHNICAL IMPROVEMENTS to Natural Gas Fuel Cells";  CHEMICAL ABSTRACTS, vol. 111, no. 24, 11/12/1989 Columbus, Ohio, US; abstract no. 220951m, RAZAQ, M. ET AL "Electrochemical characteristics of acid electrolytes for fuel cells. Final report 01/08/1985-31/12/1988 ";  CHEMICAL ABSTRACTS, vol. 83, no. 16, 20/10/1975 Columbus, Ohio, US; abstract no. 134925c, BAKER BERNARD S. "Electrolyte for hydrocarbon air fuel cells";  REPORT 1989, GRI-89/0025; ORDER NO. PB89-178768;  U. S. NTIS AD-A REP 1975 NO 007220;  CHEMICAL ABSTRACTS, vol. 111, no. 24, 11 December 1989, Columbus, Ohio, US; abstract no. 220951m, RAZAQ, M. ET AL: "Electrochemical characteristics of acid electrolytes for fuel cells. Final report august 1 1985-december 31 1988";  CHEMICAL ABSTRACTS, vol. 83, no. 16, 20 October 1975, Columbus, Ohio, US; abstract no. 134925c, BAKER BERNARD S.: "Electrolyte for hydrocarbon air fuel cells";  PHILIP N. ROSS, JR: "Evaluation of Tetrafluoroethane-1,2-Disulfonic Acid as a Fuel Cell Electrolyte", JOURNAL OF THE ELECTROCHEMICAL SOCIETY, vol. 130, no. 4, MANCHESTER, NEW HAMPSHIRE US, pages 882 - 885;  DARRYL D. DESMARTEAU: "NOVEL FLUORINATED ACIDS FOR PHOSPHORIC ACID FUEL CELLS", FINAL REPORT (APRIL 1985- MARCH 1989) CONTRACT NR 5084-260-1086, CLEMSON, pages 1 - 16;  M. RAZAQ ET AL: "Perfluorosulfonimide as an Additive in Phosphoric Acid Fuel Cell", JOURNAL OF THE ELECTROCHEMICAL SOCIETY, vol. 136, no. 2, MANCHESTER, NEW HAMPSHIRE US, pages 385 - 390;  "IMPACT OF FUNDAMENTAL TECHNICAL IMPROVEMENTS to Natural Gas Fuel Cells", REPORT 1991, FCR-11645A, GRI-91/0139; ORDER NO. PB91-206615, USA, pages 1 - 21;  CHEMICAL ABSTRACTS, vol. 114, no. 24, 17 June 1991, Columbus, Ohio, US; abstract no. 232070y, KAMIIDE MAKOTO ET AL: "Electrolytes for phosphoric acid fuel cells" XP029210448;  CHEMICAL ABSTRACTS, vol. 111, no. 24, 11 December 1989, Columbus, Ohio, US; abstract no. 220951m, RAZAQ, M. ET AL: "Electrochemical characteristics of acid electrolytes for fuel cells. Final report august 1 1985-december 31 1988",relevantClaims[1],relevantPassages[&lt;pp&gt;A&lt;/pp&gt;];  CHEMICAL ABSTRACTS, vol. 83, no. 16, 20 October 1975, Columbus, Ohio, US; abstract no. 134925c, BAKER BERNARD S.: "Electrolyte for hydrocarbon air fuel cells",relevantClaims[1],relevantPassages[&lt;pp&gt;A&lt;/pp&gt;];  PHILIP N. ROSS, JR: "Evaluation of Tetrafluoroethane-1,2-Disulfonic Acid as a Fuel Cell Electrolyte", JOURNAL OF THE ELECTROCHEMICAL SOCIETY, vol. 130, no. 4, MANCHESTER, NEW HAMPSHIRE US, pages 882 - 885,relevantClaims[1],relevantPassages[&lt;pp&gt;882&lt;/pp&gt;&lt;column&gt;R&lt;/column&gt;&lt;line&gt;12&lt;/line&gt;&lt;linel&gt;15&lt;/linel&gt;&lt;figure&gt;1&lt;/figure&gt;];  DARRYL D. DESMARTEAU: "NOVEL FLUORINATED ACIDS FOR PHOSPHORIC ACID FUEL CELLS", FINAL REPORT (APRIL 1985- MARCH 1989) CONTRACT NR 5084-260-1086, CLEMSON, pages 1 - 16,relevantClaims[1],relevantPassages[&lt;pp&gt;II&lt;/pp&gt;&lt;line&gt;6&lt;/line&gt;&lt;linel&gt;9&lt;/linel&gt;|&lt;pp&gt;II&lt;/pp&gt;&lt;para&gt;L&lt;/para&gt;|&lt;pp&gt;10&lt;/pp&gt;&lt;line&gt;13&lt;/line&gt;&lt;linel&gt;16&lt;/linel&gt;];  M. RAZAQ ET AL: "Perfluorosulfonimide as an Additive in Phosphoric Acid Fuel Cell", JOURNAL OF THE ELECTROCHEMICAL SOCIETY, vol. 136, no. 2, MANCHESTER, NEW HAMPSHIRE US, pages 385 - 390,relevantClaims[1],relevantPassages[&lt;pp&gt;385&lt;/pp&gt;&lt;column&gt;L&lt;/column&gt;&lt;para&gt;L&lt;/para&gt;&lt;coll&gt;R&lt;/coll&gt;&lt;paral&gt;1&lt;/paral&gt;];  "IMPACT OF FUNDAMENTAL TECHNICAL IMPROVEMENTS to Natural Gas Fuel Cells", REPORT 1991, FCR-11645A, GRI-91/0139; ORDER NO. PB91-206615, USA, pages 1 - 21,relevantClaims[1],relevantPassages[&lt;pp&gt;4&lt;/pp&gt;&lt;line&gt;3&lt;/line&gt;&lt;linel&gt;4&lt;/linel&gt;];  CHEMICAL ABSTRACTS, vol. 114, no. 24, 17 June 1991, Columbus, Ohio, US; abstract no. 232070y, KAMIIDE MAKOTO ET AL: "Electrolytes for phosphoric acid fuel cells",relevantClaims[1],relevantPassages[&lt;pp&gt;A&lt;/pp&gt;]EP520469-B1  CHEMICAL ABSTRACTS, vol. 111, no. 24, 11 December 1989 Columbus, Ohio, US; abstract no. 220951m, RAZAQ, M. ET AL 'Electrochemical characteristics of acid electrolytes for fuel cells. Final report august 1 1985-december 31 1988 ';  CHEMICAL ABSTRACTS, vol. 114, no. 24, 17 June 1991 Columbus, Ohio, US; abstract no. 232070y, KAMIIDE MAKOTO ET AL 'Electrolytes for phosphoric acid fuel cells';  CHEMICAL ABSTRACTS, vol. 83, no. 16, 20 October 1975 Columbus, Ohio, US; abstract no. 134925c, BAKER BERNARD S. 'Electrolyte for hydrocarbon air fuel cells';  FINAL REPORT (APRIL 1985- MARCH 1989) CONTRACT NR 5084-260-1086 , September 1989 CLEMSON, pages 1-16, DARRYL D. DESMARTEAU 'NOVEL FLUORINATED ACIDS FOR PHOSPHORIC ACID FUEL CELLS';  JOURNAL OF THE ELECTROCHEMICAL SOCIETY, vol. 130,no. 4, April 1983 MANCHESTER, NEW HAMPSHIRE US, pages 882-885, PHILIP N. ROSS, JR 'Evaluation of Tetrafluoroethane-1,2-Disulfonic Acid as a Fuel Cell Electrolyte';  JOURNAL OF THE ELECTROCHEMICAL SOCIETY, vol. 136,no. 2, February 1989 MANCHESTER, NEW HAMPSHIRE US, pages 385-390, M. RAZAQ ET AL 'Perfluorosulfonimide as an Additive in Phosphoric Acid Fuel Cell';  REPORT 1991, FCR-11645A, GRI-91/0139; ORDER NO. PB91-206615, May 1991 USA, pages 1-21, 'IMPACT OF FUNDAMENTAL TECHNICAL IMPROVEMENTS to Natural Gas Fuel Cells'