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7553362 |
High strength biological cement composition and using the same
A hydraulic cement for biomedical applications. The cement sets in-situ, hardening when exposed to water to produce nano-dispersed composite of calcium-silicate-hydrate gel mixed with...
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7540914 |
Magnesium ammonium phosphate cement composition
This invention relates to a cement, which comprises in its main phase of microcrystalline magnesium ammonium phosphate and nanoapatite after hardening and thus at the same time has considerable...
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7530394 |
Cement compositions for low temperature applications
A method of servicing a wellbore comprising placing in the wellbore a cement composition comprising light-burned magnesium oxide, water and an alkaline metal chloride, and allowing the composition...
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7531035 |
Resorbable ceramic compositions
Ceramic precursor compositions and chemically bonded ceramic (CBC) materials, especially Ca-based, and a composite biomaterial suitable for orthopaedic applications. The CBC-system includes a...
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7527098 |
Methods of increasing the thickening times of phosphate-based cementitious compositions in high-temperature wellbores
A wellbore may be cemented by preparing a cementitious composition comprising water, a metal oxide or hydroxide compound, a phosphate compound, a borate compound, and a sugar, followed by...
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7527687 |
Biocompatible cement containing reactive calcium phosphate nanoparticles and methods for making and using such cement
A cement powder is disclosed that contains reactive tricalcium phosphate nanoparticles and other ingredients required to form a cementous material. Methods of making the reactive tricalcium...
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7507286 |
Self-foaming cement for void filling and/or delivery systems
A self-foaming bone cement is described herein. In one variation, the bone cements include a self setting calcium phosphate cement formulation which when cured, forms macroscopic pores of varying...
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7503974 |
Cementitous material
A cementitious material is provided that includes a phosphate based component and an alkali earth component. The alkali earth ion component has as a majority source a calcium aluminate calcium ion...
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7501020 |
Strontium-apatite cement preparations, cements formed therefrom, and uses thereof
Calcium-strontium-hydroxyphosphate (strontium-apatite-) cement preparations are described, comprising a powder mixture, which contains molar quantities of the components calcium (Ca), strontium...
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7501018 |
Chemically bonded biomaterial with tailored properties
A chemically bonded biomaterial element composed of an inorganic cement, exhibiting minimal dimensional changes upon hardening and long-time use, improved mechanical properties and improved...
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7491267 |
Composite materials and methods of making and using such composite materials
Composite materials made from reactive compounds such as oxides are disclosed. The materials comprise a reaction producing of metal oxide, phosphate and reactive residual materials. The metal oxide...
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7459018 |
Injectable calcium phosphate cement
A calcium phosphate composition comprising at least one calcium phosphate mineral, at least one reaction retarding agent, at least one biding agent, and at least one sodium phosphate compound.
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7438755 |
Chemically bonded phosphate ceramic sealant formulations for oil field applications
A sealant for an oil or geothermal well capable of setting within about 3 to about 6 hours at temperatures less than about 250° F. for shallow wells less than about 10,000 feet and deep wells...
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7419680 |
Calcium phosphate-based materials containing zinc, magnesium, fluoride and carbonate
Compositions useful in the prevention and treatment of osteoporosis and for bone and fracture repair. Slow-releasing calcium phosphate-based materials are disclosed, incorporating Mg, Zn, F and...
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7416602 |
Calcium phosphate cement
The invention is related to a rapid setting calcium phosphate cement comprising a powdered first component comprising stabilized dicalcium phosphate dihydrous containing from about 10 ppm to about...
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7407542 |
Pasty or liquid multiple constituent compositions for injectable calcium phosphate cements
The invention concerns injectable bone filling cements, in particular hydraulic calcium phosphate cements, the latter being prepared from at least two initial liquid or pasty constituents...
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7402542 |
Construction material
A structural material of a polystyrene base and the reaction product of the polystyrene base and a solid phosphate ceramic is applied as a slurry which includes one or more of a metal oxide or a...
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7393405 |
Hydraulic cement based on calcium phosphate for surgical use
A hydraulic cement is based on calcium phosphate for surgical use, and includes three components. The first component includes α-tricalcium phosphate powder particles. The second, component...
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7381262 |
Method of preparing porous calcium phosphate granules
The invention describes a method of preparing macroporous calcium phosphate granules with NaCl porogen technique, wherein a calcium phosphate self-setting cement powder is mixed with 30 to 80 wt %...
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7351280 |
Macroporous, resorbable and injectible calcium phosphate-based cements (MCPC) for bone repair, augmentation, regeneration, and osteoporosis treatment
A composition and method for producing interconnective macroporous, resorbable and injectable calcium phosphate-based cements (MICPCs). The composition of the invention sets to poorly crystalline...
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7312171 |
Method of binding structural material
A structural material of a polystyrene base and the reaction product of the polystyrene base and a solid phosphate ceramic. The ceramic is applied as a slurry which includes one or more of a metal...
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7309674 |
Refractory composition and process for the repair of a hot refractory wall
The present invention relates to refractory composition consisting essentially of 40-90 dry weight % of amorphous silica aggregates, up to 40 dry weight % of alumina based compounds 10-15 dry...
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7294187 |
Rapid-hardening calcium phosphate cement compositions
A bone or dental implant material in the form of a paste includes a mixture of calcium phosphate and/or calcium-containing powders and a solution that is (1) an acidic calcium phosphate solution...
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7279038 |
Process for affecting the setting and working time of bioresorbable calcium phosphate cements
A fast-setting, bioresorbable calcium phosphate cement is prepared by a process which can be carried out with a heat treatment up to 1000° C. on a mixture of a wetting solution and a calcium...
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7270705 |
Method of increasing working time of tetracalcium phosphate cement paste
A method for increasing working time/setting time of monolithic tetracalcium phosphate (TTCP) cement paste formed by mixing a TTCP powder with an aqueous solution, which includes heating the TTCP...
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RE39804 |
Inorganic resin compositions, their preparation and use thereof
Inorganic resin compositions comprising, in combination, an aqueous solution of metal phosphate, an oxy-boron compound, a wollastonite compound and other optional additives, inorganic composite...
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7214265 |
Injectable calcium phosphate cements and the preparation and use thereof
A calcium phosphate cement suitable for use in dental and bone prosthesis is disclosed, which include calcium phosphate particles having a diameter of 0.05 to 100 microns, wherein said calcium...
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7204876 |
Calcium phosphate cements made from (TTCP) with surface whiskers and process for preparing same
A tetracalcium phosphate (TTCP) particle for use in preparing a fast-setting, bioresorbable calcium phosphate cement is disclosed. The TTCP particle has a basic calcium phosphate whiskers on a...
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7204880 |
Rapid setting cement
A cement formula including mono potassium phosphate, mono ammonium phosphate, magnesia, and fly ash exhibits rapid setting and high strength characteristics.
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7169373 |
Tetracalcium phosphate (TTCP) having calcium phosphate whisker on surface and process for preparing the same
A tetracalcium phosphate (TTCP) particle for use in preparing a fast-setting, bioresorbable calcium phosphate cement is disclosed. The TTCP particle has a basic calcium phosphate whiskers on a...
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7160381 |
Tetracalcium phosphate (TTCP) with surface whiskers and method of making same
A tetracalcium phosphate (TTC P) particle for use in preparing a fast-setting, bioresorbable calcium phosphate cement is disclosed. The TTCP particle has a basic calcium phosphate whiskers or fine...
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7150879 |
Neutral self-setting calcium phosphate paste
The present invention provides a novel process for producing a calcium phosphate cement or filler which hardens in a temperature dependent fashion in association with an endothermic reaction. In...
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7115163 |
Magnesium ammonium phosphate cement composition
This invention relates to a cement, which comprises in its main phase of microcrystalline magnesium ammonium phosphate and nanoapatite after hardening and thus at the same time has considerable...
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7094282 |
Calcium phosphate cement, use and preparation thereof
A calcium phosphate cement suitable for use in dental and bone prosthesis is disclosed, which include calcium phosphate particles having a diameter of 0.05 to 100 microns, wherein said calcium...
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7094286 |
Inorganic bone adhesion agent and its use in human hard tissue repair
The present invention discloses an inorganic bone adhesive and its use in human hard tissue repairs. The inorganic bone adhesive comprises basic compound, phosphate, calcium phosphate bone cement...
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7083672 |
Method and product for phosphosilicate slurry for use in dentistry and related bone cements
The present invention is directed to magnesium phosphate ceramics and their methods of manufacture. The composition of the invention is produced by combining a mixture of a substantially dry powder...
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7081161 |
Biocompatible cement containing reactive calcium phosphate nanoparticles and methods for making and using cement
A cement powder is disclosed that contains reactive tricalcium phosphate nanoparticles and other ingredients required to form a cementous material. Methods of making the reactive tricalcium...
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7066999 |
Process for producing fast-setting, bioresorbable calcium phosphate cements
A fast-setting, bioresorbable calcium phosphate cement is prepared by a process which can be carried out with a heat treatment up to 1000° C. on a mixture of a wetting solution and a calcium...
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7052542 |
Composition for construction material and its method of making and using the same
The present invention relates to a composition for converting fabric into construction material. The present invention also relates to construction material made from fabric and the process of its...
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7018460 |
Self-hardening calcium phosphate materials with high resistance to fracture, controlled strength histories and tailored macropore formation rates
A bone replacement material and therapy comprises the combination of calcium phosphate compounds and two or more soluble fillers in the form of fibers, mesh or other materials which have the dual...
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7001860 |
Construction material and method
A structural material of a polystyrene base and the reaction product of the polystyrene base and a solid phosphate ceramic. The ceramic is applied as a slurry which includes one or more of a metal...
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6929692 |
Calcium phosphate cement composition and a method for the preparation thereof
The invention describes a new calcium phosphate cement powder, whose composition can best be described over the Ca/P molar ratio range of 1.35 to 1.40, most preferably 1.39, and whose two...
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6849275 |
Calcium phosphate composition and method of preparing same
A method for controlling the formation of a hydroxyapatite bone filler from dry calcium phosphate precursors in an aqueous solution uses coated sodium phosphate powder. The sodium phosphate powder...
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6840995 |
Process for producing fast-setting, bioresorbable calcium phosphate cements
A fast-setting, bioresorbable calcium phosphate cement is prepared by a process which can be carried out with a heat treatment up to 1000° C. on a mixture of a wetting solution and a calcium...
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6805740 |
Phosphomagnesium mortar and method for obtaining same
The invention concerns a novel phosphomagnesium mortar and the method for obtaining such a mortar. The mortar is a phosphomagnesium mortar comprising a phosphomagnesium binder containing a...
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6793725 |
Premixed calcium phosphate cement pastes
A bone or dental implant material in the form of a paste includes a mixture of calcium phosphate powders, that are capable of forming hydroxyapatite, with liquid glycerol and hydroxypropyl...
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6749680 |
Thin concrete repair system
A cement repair material composition is provided for repairing thin concrete. The composition comprises, in weight percentages: fine aggregates, 50-80%; cement, 10-20%, said cement being selected...
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6733582 |
Brushite hydraulic cement stabilized with a magnesium salt
A brushite cement for surgical purposes includes a first component including a basic calcium phosphate, a second component including an acidic phosphate, a third component including water, and a...
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6692563 |
Magnesium-ammonium-phosphates cements, the production of the same and the use thereof
This invention relates to a cement, which consists in its main phase of microcrystalline magnesium ammonium phosphate and nanoapatite after hardening and thus at the same time has considerable...
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6648960 |
Method of shortening a working and setting time of a calcium phosphate cement (CPC) paste
A method of shortening a working and setting time of a CPC paste without using additives or sacrificing its strength, which includes heating CPC powder so that the CPC powder is maintained at a...
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