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| Number | Title | Issue Date |
| 7255962 | Eulytite solid acid electrolytes for electrochemical devices Improved solid acid electrolyte materials, methods of synthesizing such materials, and electrochemical devices incorporating such materials are provided. The stable electrolyte material comprises a solid acid in a eulytine structure capable of undergoing rotational ... | 08/14/2007 |
| 7229545 | Process for the coating for metallic implant materials A biomimetically produced bone-analogous coating, comprising organic and inorganic main constituents, is suitable for coating metallic implant materials of any desired surfaces. The coating comprises a collagen matrix mineralized with calcium phosphate. ... | 06/12/2007 |
| 7204968 | Method of producing heat energy Energy in the form of heat is recoverable and controllable in a process that reacts an acid and a base in the presence of steam. The recovered heat energy can be used to vaporize water to form steam which when used in conjunction with a turbine will produce electric... | 04/17/2007 |
| 6986968 | Cathode active material for lithium secondary cell and method for manufacturing the same A cathode active material for a lithium secondary cell used in a cellular phone is disclosed. The cathode active material for the lithium secondary cell and the method the same having a high capacity and a long lifetime, different from LiCoO2 and LiMn | 01/17/2006 |
| 6846493 | Synthetic biomaterial compound of calcium phosphate phases particularly adapted for supporting bone cell activity The present invention is directed to a synthetic biomaterial compound based on stabilized calcium phosphates and more particularly to the molecular, structural and physical characterization of this compound. The compound comprises calcium, oxygen and phosphorous, wh... | 01/25/2005 |
| 6585992 | Synthetic biomaterial compound of calcium phosphate phases particularly adapted for supporting bone cell activity The present invention is directed to a synthetic biomaterial compound based on stabilized calcium phosphates and more particularly to the molecular, structural and physical characterization of this compound. The compound comprises calcium, oxygen and phos... | 07/01/2003 |
| 6521264 | Method for preparing a biomaterial based on hydroxyapatite, resulting biomaterial and surgical or dental use A solid powder product with a Ca/P ratio of between 1.40 and 1.90 is prepared from tricalcium phosphate and tetracalcium phosphate. An aqueous solution containing calcium ions and phosphate ions with a Ca/P ratio higher than 0.20 and lower than 0.50 is pr... | 02/18/2003 |
| 6497849 | Synthesis of heteropolyacids This invention relates to a process for purifying a heteropolyacid which comprises: subjecting an aqueous solution comprising (i) the heteropolyacid and (ii) salt impurities to at least one liquid/liquid extraction step with an organic solvent, characteri... | 12/24/2002 |
| 6409978 | Method of removing impurities from mineral concentrates A process for removing impurities contained in the crystal lattice of minerals, comprising the steps of forming a mixture of a mineral capable of structurally reorganizing its crystal lattice which contains an impurity in its crystal lattice and a halogen... | 06/25/2002 |
| 6365301 | Materials useful as electrolytic solutes The invention concerns novel ionic compounds with low melting point whereof the onium type cation having at least a heteroatom such as N, O, S or P bearing the positive charge and whereof the anion includes, wholly or partially, at least an ion imidide su... | 04/02/2002 |
| 6323146 | Synthetic biomaterial compound of calcium phosphate phases particularly adapted for supporting bone cell activity The present invention is directed to a synthetic biomaterial compound based on stabilized calcium phosphates and more particularly to the molecular, structural and physical characterization of this compound. The compound comprises calcium, oxygen and phos... | 11/27/2001 |
| 6090353 | Method of removing impurities from mineral concentrates A process for removing impurities contained in the crystal lattice of minerals, comprising the steps of forming a mixture of a mineral capable of structurally reorganizing its crystal lattice which contains an impurity in its crystal lattice and a halogen... | 07/18/2000 |
| 6030593 | Method for preparing nickel hypophosphite Nickel hypophosphite is prepared by ion exchange on a carboxylic between nickel sulphate and hypophosphorous acid. The product thus obtained, both in the form of an aqueous solution and of a crystalline salt, is intended in particular for the preparation ... | 02/29/2000 |
| 6019955 | Active nickel hydroxide material having controlled water content An nickel hydroxide positive electrode active material which can be made by an ultrasonic precipitation method. The nickel hydroxide active material is characterized by the composition: ##EQU1## where x, the number of water ligands surrounding each N... | 02/01/2000 |
| 5968253 | Calcium phosphate cements comprising antimicrobial agents A flowable, paste-like composition capable of setting in a clinically relevant period of time into an antimicrobial agent loaded apatitic product having sufficient compressive strength to serve as a cancellous bone structural material is provided. The sub... | 10/19/1999 |
| 5962028 | Carbonated hydroxyapatite compositions and uses Carbonated hydroxyapatite compositions and their preparation are described. The compositions are biologically resorbable and are prepared as flowable masses which can be administered by syringe to set in situ to serve as a support structure, filler, prost... | 10/05/1999 |
| 5952010 | Paste compositions capable of setting into carbonated apatite Carbonated hydroxyapatite compositions and their preparation are described. The compositions are biologically resorbable and are prepared as flowable masses which can be administered by syringe to set in situ to serve as a support structure, filler, prost... | 09/14/1999 |
| 5952399 | Polymerisable dental material and use of apatite fillers in the dental material A dental material based on an organic polymerisable binding agent has a content of A) one or more mixed apatites of the type A1) A10 (XO4)6 Z2 +/B*10-u C*u (Y*)6 Z'2 and/or... | 09/14/1999 |
| 5900254 | Carbonated hydroxyapatite compositions and uses Carbonated hydroxyapatite compositions and their preparation are described. The compositions are biologically resorbable and are prepared as flowable masses which can be administered by syringe to set in situ to serve as a support structure, filler, prost... | 05/04/1999 |
| 5897841 | Continuous process for producing phosphine fumigant gas A mobile apparatus (10) is provided for the on-site production of phosphine fumigant gas so as to permit selective delivery over time of essentially constant concentration phosphine gas, thereby assuring complete fumigation of a grain silo or other enclos... | 04/27/1999 |
| 5855869 | Microparticulate abrasives A microparticulate abrasive composition is comprised of chilsonated granules of a low oil absorption compound selected from the group consisting of sodium tetrapyrophosphate, dicalcium phosphate dihydrate, anhydrous dicalcium phosphate, and mixtures there... | 01/05/1999 |
| 5782971 | Calcium phosphate cements comprising amorophous calcium phosphate Calcium phosphate cements are provided. The subject cements comprise amorphous calcium phosphate, at least one additional calcium source, usually an additional calcium phosphate, and a liquid component, such as a physiologically acceptable lubricant. Upon... | 07/21/1998 |
| 5776233 | Process for preparing a ceramic material for use in dental fillings and dental crowns A bioactive ceramic material for dental fillings and crowns on the basis of calcium phosphate compounds contains crystallites of sparingly water-soluble calcium phosphate compounds in an amorphous, vitreous or polycrystalline matrix of readily water-solub... | 07/07/1998 |
| 5728360 | Vanadyl pyrophosphate precursors The composition of matter, vanadyl phosphite, useful as a precursor to a vanadium/phosphorous oxide oxidation catalyst used in the selective oxidation of n-butane to produce maleic anhydride.... | 03/17/1998 |
| 5567352 | Phosphor and method of making same Inorganic intercalation phosphors were made by doping an inorganic intercalation compound having an atomic structure interspersed with vacant spaces with selected activator ions capable of luminescent emission when excited by ultraviolet light and/or cath... | 10/22/1996 |
| 5532385 | Catalytic process for the production of maleic anhydride The invention relates to vanadium/phosphorus oxide catalyst precursors useful in preparing catalysts useful in the oxidation of hydrocarbons containing 4 carbon atoms to maleic anhydride.... | 07/02/1996 |
| 5462722 | Calcium phosphate calcium sulfate composite implant material This invention provides new inorganic composite materials for hard tissue replacement. The new composite material comprises solid material of calcium sulfate which is fully or partially converted to calcium phosphate from aqueous solution. This composite ... | 10/31/1995 |
| 5458863 | Cold process for hydroxyapatite coatings The invention is a method, involving temperatures between room temperature and 100° C., for coating a metal substrate with hydroxyapatite. The intended application is coating porous metal coats of orthopedic and endosseous implants such that the underlyi... | 10/17/1995 |
| 5360544 | Deproteinization filler and cartridge containing same A deproteinization filler comprises an aggregate of hydroxyapatite fibers having a three dimensional network structure. The mean radius of pores defined by the aggregate is approximately 0.02 μm to approximately 0.08 μm, the specific surface of the aggr... | 11/01/1994 |
| 5281404 | Composition for forming calcium phosphate type setting material and process for producing setting material A composition for forming a calcium phosphate type setting material comprising (1) powder comprising at least one of -tricalcium phosphate and tetracalcium phosphate; and (2) a setting solution comprising an aqueous acidic solution having dissolved... | 01/25/1994 |
| 5225052 | Process for the production of alkali metal hypophosphites High purity alkali metal hypophosphites are produced in high efficiency by a simple step of using no other separating agents than white phosphorus, alkali metal hydroxides and water as reaction raw materials, resulting in no need of a complicated procedur... | 07/06/1993 |
| 5158756 | Porous particles of calcium phosphate compound and production process thereof Porous particles of a calcium phosphate compound having a Ca/P ratio of 1.5 to 1.80, which contain open pores having an average pore size of 100 to 4000 Å and are in the form of spherical particles having an average particle size of 1 to 40 μm, and a pr... | 10/27/1992 |
| 5147625 | Process for the preparation of phosphorous acid In a continuous process for the preparation of phosphorous acid with simultaneous production of hydrochloric acid, a reaction zone is provided which is in open communication with a first scrubbing zone. A portion of the reaction product is recycled from t... | 09/15/1992 |
| 5108974 | Preparation of vanadium-phosophorus-oxide catalyst precursor Vanadium pentoxide can be reduced to the +4 oxidation state from the +5 state, in the manufacture of vanadium-phosphorus-oxide catalyst precursor, (VO)2 H4 P2 O9, by using phosphoric acid as the reducing agent r... | 04/28/1992 |
| 5075087 | Method for the preparation of modified synthetic hydrotalcite A phosphate-containing synthetic hydrotalcite of the following empirical formula: xMgO.Al2 O3.yPO.sub.4.zH.sub.2 O wherein, x, y and z are integers indicating the number of moles present of MgO, PO4 and H2 O, respect... | 12/24/1991 |
| 5073357 | Process for producing hydroxylapatites Provided is a process for producing hydroxylapatite suitable for chromatographic separation of biopolymers. The process comprises allowing hexagonal prismatic or acicular monetite to react with potassium hydroxide and/or lithium hydroxide under heating.... | 12/17/1991 |
| 4927615 | Crystalline sodium/aluminum acid phosphates Crystalline sodium/aluminum acid phosphates having the formula: Naa Alb Hc (PO4)d.n H2 O wherein a ranges from 0.6 to 3.3, b ranges from 1.8 to 3.3, c ranges from 12 to 16, d ranges from 7 to 9, and ... | 05/22/1990 |
| 4897250 | Process for producing calcium phosphate A process for producing a calcium phosphate comprising the steps of (a) dissolving at least one member selected from the group consisting of calcium hydroxide and calcium oxide in water with at least one member selected from the group consisting of a suga... | 01/30/1990 |
| 4888123 | Detergent compositions containing calcium pyrophosphate as an antideposition agent A detergent composition contains a detergent active material, a carbonate builder, such as sodium carbonate, and a calcium containing compound ideally selected from specific calcium pyrophosphates, as an antideposition agent. The latter is characterized b... | 12/19/1989 |
| 4885148 | Production of monobasic potassium phosphate with low chloride content from potassium chloride and phosphoric acid produced from the commercial wet process Relatively pure monopotassium phosphate is produced from wet process phosphoric acid in a process wherein the phosphoric acid is mixed with potassium chloride and recycled components from downstream product and by-product recovery steps and heated to perm... | 12/05/1989 |
