FR2902099-A1  SAVADOGO O: "Emerging membranes for electrochemical systems - Part II. High temperature composite membranes for polymer electrolyte fuel cell (PEFC) applications" JOURNAL OF POWER SOURCES, ELSEVIER, AMSTERDAM, NL, vol. 127, no. 1-2, 10 mars 2004 (2004-03-10), pages 135-161, XP004494974 ISSN: 0378-7753;  TROITSKAYA ET AL.: ZHURNAL ORGANICHESKOI KHIMII, vol. 10, 1974, pages 1524-1529, XP009078686WO2007141441-A1  SAVADOGO O: "Emerging membranes for electrochemical systems - Part II. High temperature composite membranes for polymer electrolyte fuel cell (PEFC) applications" JOURNAL OF POWER SOURCES, ELSEVIER, AMSTERDAM, NL, vol. 127, no. 1-2, 10 mars 2004 (2004-03-10), pages 135-161, XP004494974 ISSN: 0378-7753;  TROITSKAYA ET AL.: ZHURNAL ORGANICHESKOI KHIMII, vol. 10, 1974, pages 1524-1529, XP009078686;  BAIKALOVA ET AL: IZVESTIA AKADEMII NAUK SSSR. SERIA HIMICESKAA, MOSCOW, RU, vol. 5, 1977, pages 1158-1161, XP009078698 ISSN: 0002-3353;  DOMINA ET AL: IZVESTIA AKADEMII NAUK SSSR. SERIA HIMICESKAA, MOSCOW, RU, vol. 9, 1979, pages 2096-2102, XP009078697 ISSN: 0002-3353;  No relevant documents disclosedEP2027097-A1  See also references of WO 2007141441A1US2010151351-A1  Scharfenberger et al., Fuel Cells, Vol. 6, Issue 3-4, August 2006 (Abstract only);  CAPlus Accession Number 2006:871981, Database entry for Scharfenberger et al., Fuel Cells, Vol. 6, Issue 3-4, pp. 237-50, 2006.US8859160-B2  Scharfenberger et al., Fuel Cells, vol. 6, Issue 3-4, Aug. 2006 (Abstract only).;  CAPlus Accession No. 2006:871981, Database entry for Scharfenberger et al., Fuel Cells, vol. 6, Issue 3-4, pp. 237-250, 2006.;  Domina et al., Izvestia Akademii Nauk SSSR. Seria Himiceskaa, Moscow, RU, vol. 9, 1979, pp. 2096-2102, XP009078697, ISSN: 0002-3353 pp. 2099-2100.;  Baikalova et al., Izvestia Akademii Nauk SSSR. Seria Himiceskaa, Moscow, RU, vol. 5, 1977, pp. 1158-1161, XP00907698, ISSN: 0002-3353 p. 1160.;  Savadogo, Emerging membranes for electrochemical systems_Part II. High temperature composite membranes for polymer electrolyte fuel cell (PEFC) applications, Journal of Power Sources, Elsevier, Amsterdam, NL, vol. 127, No. 1-2, Mar. 10, 2004, pp. 135-161, XP04494974, ISSN: 0378-7753.;  Troitskaya et al., Zhurnal Organicheskoi Khimii, vol. 10, 1974, pp. 1524-1529, XP009078686, p. 1524.;  International Search Report mailed Oct. 24, 2007 in PCT/FR2007/051348.EP2027097-B1  DOMINA ET AL: IZVESTIA AKADEMII NAUK SSSR. SERIA HIMICESKAA, MOSCOW, RU, vol. 9, 1979, pages 2096-2102, XP009078697 ISSN: 0002-3353;  BAIKALOVA ET AL: IZVESTIA AKADEMII NAUK SSSR. SERIA HIMICESKAA, MOSCOW, RU, vol. 5, 1977, pages 1158-1161, XP009078698 ISSN: 0002-3353;  SAVADOGO O: "Emerging membranes for electrochemical systems - Part II. High temperature composite membranes for polymer electrolyte fuel cell (PEFC) applications" JOURNAL OF POWER SOURCES, ELSEVIER, AMSTERDAM, NL, vol. 127, no. 1-2, 10 mars 2004 (2004-03-10), pages 135-161, XP004494974 ISSN: 0378-7753;  TROITSKAYA ET AL.: ZHURNAL ORGANICHESKOI KHIMII, vol. 10, 1974, pages 1524-1529, XP009078686