| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 101 | Calcium phosphate bone cements | US12985939 | 2011-01-06 | USRE45561E1 | 2015-06-16 | Jake Barralet; Uwe Gbureck; Roger Thull |
| In a first aspect, the present invention discloses a self setting calcium phosphate cement comprising:—(i) a powdered component, said powdered component having an average particle size d50 of less than 15 μm, and (ii) a calcium phosphate based powder, said powder having an average particle size d50 greater than that of the powdered component, said powdered component and said calcium phosphate based powder being suspended in water containing a dissolved zeta potential increasing additive in sufficient quantity to increase the zeta potential of the suspended particles to at least 30 mV, and wherein the zeta potential increasing additive is chosen to be compatible with the setting pH of the same calcium phosphate cement without the zeta potential increasing additive. In a second aspect, the invention discloses a shelf-stable acidic setting cement powder comprising:—(i) a calcium phosphate based powder, and (ii) a powdered compound which, upon addition of water to form a cement paste, retards the cement setting reaction or increases the zeta potential of the resultant suspended particles to at least −30 mV. | ||||||
| 102 | RAPID SETTING HIGH STRENGTH CALCIUM PHOSPHATE CEMENTS COMPRISING CYCLODEXTRINS | US12568531 | 2009-09-28 | US20110073006A1 | 2011-03-31 | Sahil Jalota; David C. Delaney; Duran N. Yetkinler |
| Rapid setting high strength calcium phosphate cements and methods of using the same are provided. Aspects of the cements include fine and coarse calcium phosphate particulate reactants and a cyclodextrin which, upon combination with a setting fluid, produce a flowable composition that rapidly sets into a high strength product. The flowable compositions find use in a variety of different applications, including the repair of hard tissue defects, e.g., bone defects such as fractures. | ||||||
| 103 | Gallium-doped phosphocalcic compounds | US12716862 | 2010-03-03 | US20100269734A1 | 2010-10-28 | Bruno Bujoli; Jean-Michel Bouler; Pascal Janvier; Ibrahim Khairoun; Verena Schnitzler |
| The present invention relates to a gallium-doped phosphocalcic compound of formula (I): Ca(10.5-1.5x)Gax(PO4)7 (I) wherein 0 | ||||||
| 104 | CONVERSION OF COAL-FIRED POWER PLANTS TO COGENERATE CEMENT | US11758645 | 2007-06-05 | US20080264066A1 | 2008-10-30 | Marc Porat; Iqbal Gill; Sarah Billington |
| The invention provides systems, processes and methods for converting heterogeneous coal-fired power plants to cogenerate a sustainable, consistent, and economic cement. Such cogeneration enables a simultaneous production of both electric power and cement and thus provides significant economic and environmental efficiencies and benefits and eliminates a major source of greenhouse gas emissions and thereby mitigates a major contributor to climate change. | ||||||
| 105 | Aluminum Phosphate Ceramics for Waste Storage | US10547100 | 2004-02-26 | US20080119682A1 | 2008-05-22 | Arun Wagh; Martin D. Maloney |
| The present disclosure describes solid waste forms and methods of processing waste. In one particular implementation, the invention provides a method of processing waste that may be particularly suitable for processing hazardous waste. In this method, a waste component is combined with an aluminum oxide and an acidic phosphate component in a slurry. A molar ratio of aluminum to phosphorus in the slurry is greater than one. Water in the slurry may be evaporated while mixing the slurry at a temperature of about 140-200° C. The mixed slurry may be allowed to cure into a solid waste form. This solid waste form includes an anhydrous aluminum phosphate with at least a residual portion of the waste component bound therein. | ||||||
| 106 | Method of increasing working time of tetracalcium phosphate cement paste | US10940922 | 2004-09-14 | US07270705B2 | 2007-09-18 | Jiin-Huey Chern Lin; Chien-Ping Ju; Wen-Cheng Chen; Kuan-Liang Lin; I-Chang Wang |
| 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 powder, prior to the mixing, so that the TTCP powder is maintained at a temperature of 50-350° C. for a period of time which is greater than one minute, and that a TTCP cement paste formed by mixing the resulting heated TTCP powder with the aqueous solution has a prolonged working time in comparison with that formed by mixing TTCP powder that has not been subjected to such heating with the aqueous solution. | ||||||
| 107 | Injectable calcium phosphate cements and the preparation and use thereof | US11129227 | 2005-05-13 | US07258734B2 | 2007-08-21 | Jiin-Huey Chern Lin; Chien-Ping Ju; Wen-Cheng Chen |
| 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 phosphate particles on their surfaces have whiskers or fine crystals having a width ranging from 1 to 100 nm and a length ranging from 1 to 1000 nm. | ||||||
| 108 | Calcium phosphate cements made from (TTCP) with surface whiskers and process for preparing same | US11133165 | 2005-05-19 | US07204876B2 | 2007-04-17 | Jiin-Huey Chern Lin; Chien-Ping Ju; Wen-Cheng Chen |
| 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 surface thereof; the basic calcium phosphate whiskers having a Ca/P molar ratio greater than 1.33, and having a length up to about 5000 nm and a width up to about 500 nm. The basic calcium phosphate whiskers are substantially free of a hydroxyapatite phase and mainly composed of TTCP phase. | ||||||
| 109 | Calcium phosphate cements made from (TTCP) with surface whiskers and process for preparing same | US11133152 | 2005-05-19 | US07182928B2 | 2007-02-27 | Jiin-Huey Chern Lin; Chien-Ping Ju; Wen-Cheng Chen |
| 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 surface thereof; the basic calcium phosphate whiskers having a Ca/P molar ratio greater than 1.33, and having a length up to about 5000 nm and a width up to about 500 nm. The basic calcium phosphate whiskers are substantially free of a hydroxyapatite phase and mainly composed of TTCP phase. | ||||||
| 110 | Tetracalcium phosphate (TTCP) with surface whiskers and method of making same | US11131892 | 2005-05-18 | US07160381B2 | 2007-01-09 | Jiin-Huey Chern Lin; Chien-Ping Ju; Wen-Cheng Chen |
| 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 crystals on a surface thereof; the basic calcium phosphate whiskers or fine crystals having a Ca/P molar ratio greater than 1.33, and having a length up to about 5000 nm and a width up to about 500 nm. | ||||||
| 111 | Calcium phosphate cements made from (TTCP) with surface whiskers and process for preparing same | US11133166 | 2005-05-19 | US20050274287A1 | 2005-12-15 | Jiin-Huey Lin; Chien-Ping Ju; Wen-Cheng Chen |
| 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 surface thereof; the basic calcium phosphate whiskers having a Ca/P molar ratio greater than 1.33, and having a length up to about 5000 nm and a width up to about 500 nm. The basic calcium phosphate whiskers are substantially free of a hydroxyapatite phase and mainly composed of TTCP phase. | ||||||
| 112 | Calcium phosphate cements made from (TTCP) with surface whiskers and process for preparing same | US11133165 | 2005-05-19 | US20050274286A1 | 2005-12-15 | Jiin-Huey Lin; Chien-Ping Ju; Wen-Cheng Chen |
| 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 surface thereof, the basic calcium phosphate whiskers having a Ca/P molar ratio greater than 1.33, and having a length up to about 5000 nm and a width up to about 500 nm. The basic calcium phosphate whiskers are substantially free of a hydroxyapatite phase and mainly composed of TTCP phase. | ||||||
| 113 | Tetracalcium phosphate (TTCP) having calcium phosphate whisker on surface | US10607023 | 2003-06-27 | US06960249B2 | 2005-11-01 | Jiin-Huey Chern Lin; Chien-Ping Ju; Wen-Cheng Chen; Kuan-Liang Lin; I-Chang Wang |
| 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 or fine crystals on a surface thereof; the basic calcium phosphate whiskers or fine crystals having a Ca/P molar ratio greater than 1.33, and having a length up to about 5000 nm and a width up to about 500 nm. | ||||||
| 114 | Calcium phosphate cement precursors | US10346873 | 2003-01-17 | US20040141903A1 | 2004-07-22 | Joseph Zitelli; Peter Maher; Ger Insley |
| A mixture of two or more calcium phosphate compositions are combined with an aqueous solution and are useful as bone fillers on bone cements such as orthopedic and dental cements and remineralizers. The mixtures self-harden to substantially form hydroxyapatite, the mineral phase of bone and tooth enamel. The at least one or more of precursors is prepared in a manner resulting in its having an extremely low moisture level. The use of low moisture components results in an improved shelf life to the mixture. | ||||||
| 115 | Fast-setting, fibrous, portland cement-based building material | US10192213 | 2002-07-10 | US20030061971A1 | 2003-04-03 | Dennis Maq Crook; Siti M. Crook |
| A fast-setting, fibrous, Portland Cement-based building material is made by soaking wood chips in water to provide substantially saturated wood chips, combining the saturated wood chips with a slurry of Portland cement to provide a wood chip/cement slurry, mixing a slurry of monomagnesium phosphate (nullMOPnull) with the wood chip/cement slurry to provide a quick-setting MOP/wood chip/cement composition, and compressing the quick-setting MOP/wood chip/cement composition to make the fast-setting, fibrous, Portland Cement-based building material. The inventive composition combines the best properties of cement and wood, yet uses recycled materials to make an environmentally-friendly building material. | ||||||
| 116 | Fast-setting, fibrous, portland cement-based building material | US09767167 | 2001-01-22 | US06464775B2 | 2002-10-15 | Dennis Maq Crook |
| A fast-setting, fibrous, Portland Cement-based building material is made by soaking wood chips in water to provide substantially saturated wood chips, combining the saturated wood chips with a slurry of Portland cement to provide a wood chip/cement slurry, mixing a slurry of monomagnesium phosphate (“MOP”) with the wood chip/cement slurry to provide a quick-setting MOP/wood chip/cement composition, and compressing the quick-setting MOP/wood chip/cement composition to make the fast-setting, fibrous, Portland Cement-based building material. The inventive composition combines the best properties of cement and wood, yet uses recycled materials to make an environmentally-friendly building material. | ||||||
| 117 | Reactive tricalcium phosphate compositions and uses | US334519 | 1994-11-04 | US5569442A | 1996-10-29 | Mark Fulmer; Brent R. Constantz; Ira C. Ison; Bryan M. Barr |
| Methods for producing a room temperature stable, phase pure .alpha.-C.sub.3 P product, and compositions derived therefrom, are provided. In the subject method, a tricalcium phosphate source is heated to a temperature sufficient to convert substantially all of said tricalcium phosphate source to a substantially phase pure .alpha.-C.sub.3 P product. The temperature of the resultant product is rapidly cooled to a temperature below about 700.degree. C., resulting in a room temperature stable, reactive .alpha.-C.sub.3 P product. The resultant .alpha.-C.sub.3 P product may be milled to provide an .alpha.-C.sub.3 P composition which may find use in the preparation of calcium phosphate cements. | ||||||
| 118 | Process for preparing olivine sand cores and molds | US457322 | 1982-01-11 | US4396725A | 1983-08-02 | Charles E. Seeney; John F. Kraemer; Janis Ingerigtsen |
| An inorganic cement binder for a foundry aggregate comprising, in combination, potassium olivine phosphate and as a hardener therefor, water, aqueous sodium silicate, or aqueous phosphoric acid. | ||||||
| 119 | Process of producing hydraulic cement from fly ash | US220993 | 1980-12-29 | US4328037A | 1982-05-04 | Turgut Demirel; Dah-Yinn Lee; Mustafa Boybay |
| A hydraulic cement is prepared by reacting coal fly ash with concentrated phosphoric acid, and crushing or grinding the resulting mixture to granules or a fine powder. The reacted fly ash may be heated to reduce the water of hydration before final crushing or grinding. The resulting hydraulic cement may be mixed with sand and/or gravel aggregate to prepare mortar or concrete mixes for applications similar to Portland cement, or the fly ash cement may be mixed with soils to stabilize them. | ||||||
| 120 | Cartridge containing fast acting inorganic adhesive systems, grouting compositions and method of use | US102065 | 1979-12-10 | US4324592A | 1982-04-13 | Natvarlal K. Patel; Anthony C. Plaisted |
| A cartridge containing fast acting inorganic adhesive system, grouting compositions and method of use comprising in the preferred embodiment first and second components which are separately maintained as in a two component cartridge until just prior to use. The first component comprises a paste which includes magnesium oxide, a dispersing agent, such as a ligno sulfonate and water. The second component is comprised of a dihydrogen phosphate salt, such as mono hydrogen ammonium phosphate or sodium dihydrogen phosphate, and the combination of a trisodium phosphate and a second agent selected from the group consisting of a polyphosphate salt and an alkyl acid phosphate or both. The second component will also include a minor amount of water to make the paste. | ||||||
QQ群二维码
意见反馈
意见反馈