WO2003004156-A2  LEFEVRE M., DODELET J.P., BERTRAND P.: "O2 reduction in PEM fuel cells: activity site structural information for catalysts obtained by the pyrolysis at high temperature of Fe precursors" J. PHYS. CHEM. B, Bd. 104, 2000, Seiten 11238-11247, XP002229709 in der Anmeldung erw{hnt;  CONTAMIN O., DEBIEMME-CHOUVY C., SAVY M., SCARBECK G,: "Oxygen electroreduction catalysis: effect of sulfur addition on cobalt tetraazaannulene precursors" ELECTROCHIMICA ACTA, Bd. 45, 1999, Seiten 721-729, XP002229708 in der Anmeldung erw{hnt;  CONTAMIN O., DEBIEMME-CHOUVY C., SAVY M., SCARBECK G,: "Oxygen electroreduction catalysis: effect of sulfur addition on cobalt tetraazaannulene precursors" ELECTROCHIMICA ACTA, Bd. 45, 1999, Seiten 721-729, XP002229708 in der Anmeldung erwaehnt;  LEFEVRE M., DODELET J.P., BERTRAND P.: "O2 reduction in PEM fuel cells: activity site structural information for catalysts obtained by the pyrolysis at high temperature of Fe precursors" J. PHYS. CHEM. B, Bd. 104, 2000, Seiten 11238-11247, XP002229709 in der Anmeldung erwaehntDE10132490-A1  CONTAMIN,O., DEBIEMME-CHOUVY,C., SAVY,M., SCARBECK,G.: Oxygen electroreduction catalysis: effect of sulfur addition on cobalt tetraazaannulene precursors. In: Electrochimica-Acta, Vol.45 (1999), 721-729DE10132490-B4  CONTAMIN,O., DEBIEMME-CHOUVY,C., SAVY,M., SCARBECK,G.: Oxygen electroreduction catalysis: effect of sulfur addition on cobalt tetraazaannulene precursors. In: Electrochimica-Acta, Vol.45 (1999), 721-729WO2003004156-A3  CONTAMIN O., DEBIEMME-CHOUVY C., SAVY M., SCARBECK G,: "Oxygen electroreduction catalysis: effect of sulfur addition on cobalt tetraazaannulene precursors" ELECTROCHIMICA ACTA, Bd. 45, 1999, Seiten 721-729, XP002229708 in der Anmeldung erw{hnt;  LEFEVRE M., DODELET J.P., BERTRAND P.: "O2 reduction in PEM fuel cells: activity site structural information for catalysts obtained by the pyrolysis at high temperature of Fe precursors" J. PHYS. CHEM. B, Bd. 104, 2000, Seiten 11238-11247, XP002229709 in der Anmeldung erw{hnt;  CONTAMIN O., DEBIEMME-CHOUVY C., SAVY M., SCARBECK G,: "Oxygen electroreduction catalysis: effect of sulfur addition on cobalt tetraazaannulene precursors", ELECTROCHIMICA ACTA, vol. 45, 1999, pages 721 - 729, XP002229708;  LEFEVRE M., DODELET J.P., BERTRAND P.: "O2 reduction in PEM fuel cells: activity site structural information for catalysts obtained by the pyrolysis at high temperature of Fe precursors", J. PHYS. CHEM. B, vol. 104, 2000, pages 11238 - 11247, XP002229709;  CONTAMIN O., DEBIEMME-CHOUVY C., SAVY M., SCARBECK G,: "Oxygen electroreduction catalysis: effect of sulfur addition on cobalt tetraazaannulene precursors", ELECTROCHIMICA ACTA, vol. 45, 1999, pages 721 - 729, XP002229708,relevantClaims[1-11],relevantPassages[&lt;pp&gt;W&lt;/pp&gt;];  LEFEVRE M., DODELET J.P., BERTRAND P.: "O2 reduction in PEM fuel cells: activity site structural information for catalysts obtained by the pyrolysis at high temperature of Fe precursors", J. PHYS. CHEM. B, vol. 104, 2000, pages 11238 - 11247, XP002229709,relevantClaims[1-11],relevantPassages[&lt;pp&gt;W&lt;/pp&gt;]