WO2005014474-A3  A. CLEARFIELD ET AL.: "The Preparation of Crystalline Zirconium Phosphate and Some Observations on its Ion Exchange Behaviour" J. INORG. NUCL. CHEM., Bd. 26, 1964, Seiten 117-129, XP002339865;  E. KROGH ANDERSEN ET AL.: "Alpha Zirconium Hydrogenphosphate, monohydrate. Preparation, chemical properties and ac conductivity" SOLID STATE IONICS, Bd. 7, 1982, Seiten 301-306, XP002339866;  DATABASE CA [Online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; TITOV, V. P. ET AL: "Study of conditions for the formation of titanium hydrogen phosphate hydrate (.alpha.-Ti(HPO4)2.cntdot.H2O) in interaction of hydrated titanium dioxide with phosphoric acid" XP002339879 gefunden im STN Database accession no. 111:107951 & IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII, KHIMIYA I KHIMICHESKAYA TEKHNOLOGIYA , 32(3), 16-18 CODEN: IVUKAR; ISSN: 0579-2991, 1989,;  IOAN-CEZAR MARCU ETAL.: "Oxidehydrogenation of n-butane over tetravalent metal phosphates based catalysts" APPLIED CATALYSIS A, Bd. 227, 2002, Seiten 309-320, XP002340197;  A. CLEARFIELD ET AL.: "The Preparation of Crystalline Zirconium Phosphate and Some Observations on its Ion Exchange Behaviour", J. INORG. NUCL. CHEM., vol. 26, 1964, pages 117 - 129, XP002339865;  E. KROGH ANDERSEN ET AL.: "Alpha Zirconium Hydrogenphosphate, monohydrate. Preparation, chemical properties and ac conductivity", SOLID STATE IONICS, vol. 7, 1982, pages 301 - 306, XP002339866;  DATABASE CA [online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; TITOV, V. P. ET AL: "Study of conditions for the formation of titanium hydrogen phosphate hydrate (.alpha.-Ti(HPO4)2.cntdot.H2O) in interaction of hydrated titanium dioxide with phosphoric acid", XP002339879, retrieved from STN Database accession no. 111:107951;  ;;;Y;  IOAN-CEZAR MARCU ETAL.: "Oxidehydrogenation of n-butane over tetravalent metal phosphates based catalysts", APPLIED CATALYSIS A, vol. 227, 2002, pages 309 - 320, XP002340197;  A. CLEARFIELD ET AL.: "The Preparation of Crystalline Zirconium Phosphate and Some Observations on its Ion Exchange Behaviour", J. INORG. NUCL. CHEM., vol. 26, 1964, pages 117 - 129, XP002339865,relevantClaims[1-7],relevantPassages[&lt;pp&gt;121&lt;/pp&gt;&lt;ppl&gt;122&lt;/ppl&gt;&lt;example&gt;VII&lt;/example&gt;];  E. KROGH ANDERSEN ET AL.: "Alpha Zirconium Hydrogenphosphate, monohydrate. Preparation, chemical properties and ac conductivity", SOLID STATE IONICS, vol. 7, 1982, pages 301 - 306, XP002339866,relevantClaims[1-7],relevantPassages[&lt;pp&gt;W&lt;/pp&gt;];  DATABASE CA [online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; TITOV, V. P. ET AL: "Study of conditions for the formation of titanium hydrogen phosphate hydrate (.alpha.-Ti(HPO4)2.cntdot.H2O) in interaction of hydrated titanium dioxide with phosphoric acid", XP002339879, retrieved from STN Database accession no. 111:107951,relevantClaims[1-8],relevantPassages[&lt;pp&gt;A&lt;/pp&gt;];  IOAN-CEZAR MARCU ETAL.: "Oxidehydrogenation of n-butane over tetravalent metal phosphates based catalysts", APPLIED CATALYSIS A, vol. 227, 2002, pages 309 - 320, XP002340197,relevantClaims[10],relevantPassages[&lt;pp&gt;319&lt;/pp&gt;]