WO2008047312-A1  GAO, Y., KUNCHERIA, J.K., JENKINS, H.A., PUDDEPHAT, R.J., YAP, G.P.A.: "The interconversion of formic acid and hydrogencarbon dioxide using a binuclear ruthenium complex catalyst" J. CHEM. SOC., DALTON TRANS., 2000, pages 3212-3217, XP002426814;  JENNER, G. ET AL: "Formaldehyde and formates as sources of synthesis gas via ruthenium- catalyzed decomposition reactions" JOURNAL OF MOLECULAR CATALYSIS, vol. 64, no. 3, 1991, pages 337-347, XP002426818;  KHAI, B.T., ARCELLI, A.: "RuCl2(PPh3)3HCOOHEt3N as a new hydrogen source. Selective reduction of aromatic nitro" JOURNAL OF ORGANOMETALLIC CHEMISTRY, vol. 309, 1986, pages C63-C66, XP002426813;  KING R B ET AL: "Catalytic reactions of formate 4. A nitrite-promoted rhodium (III) catalyst for hydrogen generation from formic acid in aqueous solution" INORGANICA CHIMICA ACTA, X, XX, vol. 237, no. 1-2, September 1995 (1995-09), pages 65-69, XP004818481 ISSN: 0020-1693;  LAINE, R.M., RINKER, R.G., FORD, P.C.: "Homogeneous catalysis by ruthenium carbonyl in alkaline solution: the water gas shift reaction" JOURNAL OF AMERICAN CHEMICAL SOCIETY, vol. 99, no. 1, 5 January 1977 (1977-01-05), pages 252-253, XP002426812;  JOSZAI, I., JOO, F.: "Hydrogenation of aqueous mixtures of calcium carbonate and carbon dioxide using a water-soluble rhodium(I)-tertiary phosphine complex catalyst" JOURNAL OF MOLECULAR CATALYSIS A. CHEMICAL, vol. 224, 2004, pages 87-91, XP002426815 cited in the application;  KHAI, B.T., ARCELLI, A.: "RuCl2(PPh3)3/HCOOH/Et3N as a new hydrogen source. Selective reduction of aromatic nitro" JOURNAL OF ORGANOMETALLIC CHEMISTRY, vol. 309, 1986, pages C63-C66, XP002426813;  GAO, Y., KUNCHERIA, J.K., JENKINS, H.A., PUDDEPHAT, R.J., YAP, G.P.A.: "The interconversion of formic acid and hydrogen/carbon dioxide using a binuclear ruthenium complex catalyst" J. CHEM. SOC., DALTON TRANS., 2000, pages 3212-3217, XP002426814;  No relevant documents disclosedEP1918247-A1  JOSZAI, I., JOO, F.: "Hydrogenation of aqueous mixtures of calcium carbonate and carbon dioxide using a water-soluble rhodium(I)-tertiary phosphine complex catalyst" JOURNAL OF MOLECULAR CATALYSIS A. CHEMICAL, vol. 224, 2004, pages 87-91, XP002426815;  GAO, Y., KUNCHERIA, J.K., JENKINS, H.A., PUDDEPHAT, R.J., YAP, G.P.A.: "The interconversion of formic acid and hydrogen/carbon dioxide using a binuclear ruthenium complex catalyst" J. CHEM. SOC., DALTON TRANS., 2000, pages 3212-3217, XP002426814;  GAO, Y., KUNCHERIA, J.K., JENKINS, H.A., PUDDEPHAT, R.J., YAP, G.P.A.: "The interconversion of formic acid and hydrogencarbon dioxide using a binuclear ruthenium complex catalyst" J. CHEM. SOC., DALTON TRANS., 2000, pages 3212-3217, XP002426814;  JENNER, G. ET AL: "Formaldehyde and formates as sources of synthesis gas via ruthenium- catalyzed decomposition reactions" JOURNAL OF MOLECULAR CATALYSIS, vol. 64, no. 3, 1991, pages 337-347, XP002426818;  KHAI, B.T., ARCELLI, A.: "RuCl2(PPh3)3/HCOOH/Et3N as a new hydrogen source. Selective reduction of aromatic nitro" JOURNAL OF ORGANOMETALLIC CHEMISTRY, vol. 309, 1986, pages C63-C66, XP002426813;  KHAI, B.T., ARCELLI, A.: "RuCl2(PPh3)3HCOOHEt3N as a new hydrogen source. Selective reduction of aromatic nitro" JOURNAL OF ORGANOMETALLIC CHEMISTRY, vol. 309, 1986, pages C63-C66, XP002426813;  KING R B ET AL: "Catalytic reactions of formate 4. A nitrite-promoted rhodium (III) catalyst for hydrogen generation from formic acid in aqueous solution" INORGANICA CHIMICA ACTA, X, XX, vol. 237, no. 1-2, September 1995 (1995-09), pages 65-69, XP004818481 ISSN: 0020-1693;  LAINE, R.M., RINKER, R.G., FORD, P.C.: "Homogeneous catalysis by ruthenium carbonyl in alkaline solution: the water gas shift reaction" JOURNAL OF AMERICAN CHEMICAL SOCIETY, vol. 99, no. 1, 5 January 1977 (1977-01-05), pages 252-253, XP002426812US8133464-B2  Jenner G., et al., Formaldehyde and formates as sources of synthesis gas via ruthenium-catalyzed decomposition reactions; Journal of Molecular Catalysis, vol. 64, No. 3, 1991, pp. 337-347, XP002426818 p. 340, line 30-line 42.;  Laine, R.M., et al., Homogeneous catalysis by ruthenium carbonyl in alkaline solution: the water gas shift reaction; Journal of American Chemical Society, vol. 99, No. 1, Jan. 5, 1977, pp. 252-253, XP002426812 p. 252, left-hald col. line 65- right hand col. line 3 p. 252, right-hand col. line 63_p. 253, left-hand col. line 8.;  Khai, B.T., et al., RuC12 (PPh3) 3/HCOOH/Et3N as a new hydrogen source. Selective reduction of aromatic nitro, Journal of Organometallic Chemistry, vol. 309, 1986, pp. C63-C66, XP002426813 p. C63, line 1-line 4.;  King, R.B., et al., Catalytic reactions of formate 4. A nitrite-promoted rhodium (III) catalyst for hydrogen generation from formic acid in aqueous solution, Inorganica Chimica Acta, X, XX, vol. 237, No. 1-2, Sep. 1995, pp. 65-69, XP004818481 ISSN. 0020-1693, the whole document.;  Joszai, I., et al., Hydrogenation of aqueous mixtures of calcium carbonate and carbon dioxide using a water-soluble rhodium (I)-tertiary phosphine complex catalyst, Journal of Molecular Catalysis A. Chemical, vol. 224, 2004, pp. 87-91, XP002426815 cited in the application p. 90, left-hand col. line 25, right-hand col. line 8; figure 5.;  Gao, Y., et al., The interconversion of formic acid and hydrogen/carbon dioxide using a binuclear ruthenium complex catalyst; J. Chem. Soc., Dalton Trans., 2000 pp. 3131-3217, XP002426814, the whole document.CN101541668-B  Jenner G. et al.Formaldehyde and formates as sources of synthesis gas via ruthenium- catalyzed decomposition reactions.JOURNAL OF MOLECULAR CATALYSIS.1991,;  GAOY.etal.Theinterconversionofformicacidandhydrogen/carbondioxideusingabinuclearrutheniumcomplexcatalyst.J.Chem.Soc. Dalton Trans..2000EP2086873-B1  JENNER, G. ET AL: "Formaldehyde and formates as sources of synthesis gas via ruthenium- catalyzed decomposition reactions" JOURNAL OF MOLECULAR CATALYSIS, vol. 64, no. 3, 1991, pages 337-347, XP002426818;  LAINE, R.M., RINKER, R.G., FORD, P.C.: "Homogeneous catalysis by ruthenium carbonyl in alkaline solution: the water gas shift reaction" JOURNAL OF AMERICAN CHEMICAL SOCIETY, vol. 99, no. 1, 5 January 1977 (1977-01-05), pages 252-253, XP002426812;  KHAI, B.T., ARCELLI, A.: "RuCl2(PPh3)3/HCOOH/Et3N as a new hydrogen source. Selective reduction of aromatic nitro" JOURNAL OF ORGANOMETALLIC CHEMISTRY, vol. 309, 1986, pages C63-C66, XP002426813;  KING R B ET AL: "Catalytic reactions of formate 4. A nitrite-promoted rhodium (III) catalyst for hydrogen generation from formic acid in aqueous solution" INORGANICA CHIMICA ACTA, X, XX, vol. 237, no. 1-2, September 1995 (1995-09), pages 65-69, XP004818481 ISSN: 0020-1693;  JOSZAI, I., JOO, F.: "Hydrogenation of aqueous mixtures of calcium carbonate and carbon dioxide using a water-soluble rhodium(I)-tertiary phosphine complex catalyst" JOURNAL OF MOLECULAR CATALYSIS A. CHEMICAL, vol. 224, 2004, pages 87-91, XP002426815 cited in the application;  GAO, Y., KUNCHERIA, J.K., JENKINS, H.A., PUDDEPHAT, R.J., YAP, G.P.A.: "The interconversion of formic acid and hydrogen/carbon dioxide using a binuclear ruthenium complex catalyst" J. CHEM. SOC., DALTON TRANS., 2000, pages 3212-3217, XP002426814