WO9412690-A1  Derwent Abstract Accession No. 04924y/03, Class E36 JP,A, 51-140895 (ISHIKAWAJIMA - HARIMA HEAV) 04 December 1976 (04.12.76);  Derwent Abstract Accession No. 23099x/13 Class E36J03 R46, JP,A, 51-016284 (KOMATSU ELTRN KK) 09 February 1976 (09.02.76);  Patent Abstracts of Japan, P-687, page 45, JP,A, 62-240904 (NIPPO TSUSHIN KOGYO K.K.) 21 October 1987 (21.10.87);  DERWENT ABSTRACT Accession No. 04924y/03, Class E36; & JP,A,51 140 895 (ISHIKAWAJIMA - HARIMA HEAV) 04 December 1976 (04.12.76).;  DERWENT ABSTRACT Accession No. 23099x/13, Class E36J03 R46; & JP,A,51 016 284 (KOMATSU ELTRN KK) 09 February 1976 (09.02.76).;  PATENT ABSTRACTS OF JAPAN, P-687, page 45; & JP,A,62 240 904 (NIPPO TSUSHIN KOGYO K.K.) 21 October 1987 (21.10.87).;  See also references of EPA 0670915;  DERWENT ABSTRACT Accession No. 23099x/13, Class E36J03 R46;&JP,A,51 016 284 (KOMATSU ELTRN KK) 09 February 1976 (09.02.76).;  DERWENT ABSTRACT Accession No. 04924y/03, Class E36;&JP,A,51 140 895 (ISHIKAWAJIMA - HARIMA HEAV) 04 December 1976 (04.12.76).;  PATENT ABSTRACTS OF JAPAN, P-687, page 45;&JP,A,62 240 904 (NIPPO TSUSHIN KOGYO K.K.) 21 October 1987 (21.10.87).;  See also references of EP 0670915A1EP670915-A1  CHEMICAL ABSTRACTS, vol. 97, no. 12, 20/09/1982 Columbus, Ohio, US; abstract no. 100744, GOLDFARB J. "HYDROGEN AND AMMONIA BY A WIND-SOLAR METHOD" page 572; column LEFT; & BR-A-8 004 303 (GOLDFARB) 16/03/1982;  CHEMICAL ABSTRACTS, vol. 98, no. 26, 27/06/1983 Columbus, Ohio, US; abstract no. 224290, ARGENTA G. "AUTOMATICALLY FUNCTIONING SYSTEM FOR PRODUCING HYDROGEN USING HEAT FROM SOLAR RADIATION CONVERTED TO ELECTRICAL ENERGY" page 548; column RIGHT; & BR-A-8 104 563 (ARGENTA) 22/02/1983;  CHEMICAL ABSTRACTS, vol. 97, no. 12, 20 September 1982 Columbus, Ohio, US; abstract no. 100744, GOLDFARB J. 'HYDROGEN AND AMMONIA BY A WIND-SOLAR METHOD' page 572; column LEFT; & BR-A-8 004 303 (GOLDFARB) 16 March 1982;  CHEMICAL ABSTRACTS, vol. 98, no. 26, 27 June 1983 Columbus, Ohio, US; abstract no. 224290, ARGENTA G. 'AUTOMATICALLY FUNCTIONING SYSTEM FOR PRODUCING HYDROGEN USING HEAT FROM SOLAR RADIATION CONVERTED TO ELECTRICAL ENERGY' page 548; column RIGHT; & BR-A-8 104 563 (ARGENTA) 22 February 1983;  See also references of WOA 9412690;  CHEMICAL ABSTRACTS, vol. 97, no. 12, 20 September 1982 Columbus, Ohio, US; abstract no. 100744, GOLDFARB J. 'HYDROGEN AND AMMONIA BY A WIND-SOLAR METHOD' page 572; column LEFT;&BR-A-8 004 303 (GOLDFARB) 16 March 1982;  CHEMICAL ABSTRACTS, vol. 98, no. 26, 27 June 1983 Columbus, Ohio, US; abstract no. 224290, ARGENTA G. 'AUTOMATICALLY FUNCTIONING SYSTEM FOR PRODUCING HYDROGEN USING HEAT FROM SOLAR RADIATION CONVERTED TO ELECTRICAL ENERGY' page 548; column RIGHT;&BR-A-8 104 563 (ARGENTA) 22 February 1983;  See also references of WO 9412690A1EP670915-A4  CHEMICAL ABSTRACTS, vol. 97, no. 12, 20 September 1982, Columbus, Ohio, US; abstract no. 100744, GOLDFARB J.: "HYDROGEN AND AMMONIA BY A WIND-SOLAR METHOD" page 572; column LEFT;,relevantClaims[1,3,4],relevantPassages[&lt;pp&gt;A&lt;/pp&gt;];  CHEMICAL ABSTRACTS, vol. 98, no. 26, 27 June 1983, Columbus, Ohio, US; abstract no. 224290, ARGENTA G.: "AUTOMATICALLY FUNCTIONING SYSTEM FOR PRODUCING HYDROGEN USING HEAT FROM SOLAR RADIATION CONVERTED TO ELECTRICAL ENERGY" page 548; column RIGHT;,relevantClaims[1,3,4],relevantPassages[&lt;pp&gt;A&lt;/pp&gt;];  See also references of WO 9412690A1US5658448-A  International Serach Report; PCTAU9300600; 08 Mar. 1994; Vivienne Thom.;  JAPIO abstract of JP 06008896 (Masayuki et al.) Jan. 18, 1994.;  Patent Abstracts of Japan; P-687; p. 45; JP A 62-240904, 21 Oct. 1987; Nippo Tsushin Kogyo K.K.EP670915-B1  CHEMICAL ABSTRACTS, vol. 97, no. 12, 20 September 1982 Columbus, Ohio, US; abstract no. 100744, GOLDFARB J. 'HYDROGEN AND AMMONIA BY A WIND-SOLAR METHOD' page 572; column LEFT; & BR-A-8 004 303 (GOLDFARB) 16 March 1982;  CHEMICAL ABSTRACTS, vol. 98, no. 26, 27 June 1983 Columbus, Ohio, US; abstract no. 224290, ARGENTA G. 'AUTOMATICALLY FUNCTIONING SYSTEM FOR PRODUCING HYDROGEN USING HEAT FROM SOLAR RADIATION CONVERTED TO ELECTRICAL ENERGY' page 548; column RIGHT; & BR-A-8 104 563 (ARGENTA) 22 February 1983;  DERWENT ABSTRACT Accession No. 04924y/03, Class E36; & JP,A,51 140 895 (ISHIKAWAJIMA - HARIMA HEAV) 04 December 1976 (04.12.76).;  DERWENT ABSTRACT Accession No. 23099x/13, Class E36J03 R46; & JP,A,51 016 284 (KOMATSU ELTRN KK) 09 February 1976 (09.02.76).;  PATENT ABSTRACTS OF JAPAN, P-687, page 45; & JP,A,62 240 904 (NIPPO TSUSHIN KOGYO K.K.) 21 October 1987 (21.10.87).