WO2003080511-A1  NAEJUS R ET AL: "Nouveau procede de synthese de l'hexafluorophosphate de lithium" JOURNAL OF FLUORINE CHEMISTRY, ELSEVIER SEQUOIA. LAUSANNE, CH, vol. 90, no. 1, 26 June 1998 (1998-06-26), pages 81-85, XP004123700 ISSN: 0022-1139;  R. C. MEHROTRA AND C. K. OZA: "Studies in Condensed Phosphates: Part IX- Complex Lithium Polymetaphosphate Derivatives of Some Bivalent Metal Ions" INDIAN JOURNAL OF CHEMISTRY, vol. 6, March 1968 (1968-03), pages 158-160, XP008011283GB2390845-A  NAEJUS R ET AL: "Nouveau procede de synthese de l'hexaflourophosphate de litium" JOURNAL OF FLUORINE CHEMISTRY, ELSEVIER SEQUOIA. LAUSANNE, CH, vol.90, no.1, 26 June 1998 (1998-06-26), pages 81-85, XP004123700 ISSN: 0022-1139 the whole document;  R.C. MEHROTRA AND C.K. OZA: "Studies in Condensed Phosphates: Part IX-Complex Litium Polymetaphosphate Derivatives of Some Bivalent Metal Ions" INDIAN JOURNAL OF CHEMISTRY, vol.6, March 1968 (1968-03) pages 158-160, XP008011283 the whole documentUS6824754-B2  International Search Report, Mar. 21, 2002, for PCT/IN02/00056, 5 pages.;  Mehrotra et al., "Studies in Condensed Phosphates: Part IX-Complex Lithium Polymetaphosphate Derivatives of Some Bivalent Metal Ions", Indian J. Chem., vol. 6, p. 158-160, Mar., 1968, published by Department of Chemistry, University of Rajasthan, Jaipur.;  Naejus et al., "Nouveau Procede de Synthese de L'Hexafluorophosphate de Lithium", Journal of Fluorine Chemistry, vol. 90, p. 81-85, 1998, published by C.N.E.S., Toutouse, France, no month.GB2390845-B  NAEJUS R ET AL: "Nouveau procede de synthese de l'hexaflourophosphate de litium" JOURNAL OF FLUORINE CHEMISTRY, ELSEVIER SEQUOIA. LAUSANNE, CH, vol.90, no.1, 26 June 1998 (1998-06-26), pages 81-85, XP004123700 ISSN: 0022-1139 the whole document;  R.C. MEHROTRA AND C.K. OZA: "Studies in Condensed Phosphates: Part IX-Complex Litium Polymetaphosphate Derivatives of Some Bivalent Metal Ions" INDIAN JOURNAL OF CHEMISTRY, vol.6, March 1968 (1968-03) pages 158-160, XP008011283 the whole document