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Class 423/308 - Orthophosphate (e.g., calcium hydroxyapatite)


Subclass of Class 423 - Chemistry of inorganic compounds
Definition: Products or processes wherein the product contains the orthophosphate
No. of patents: 288
Last issue date: 05/01/2012


1                
NumberTitleIssue Date
8168151Organic/inorganic composite biomaterials and process for producing the same
This invention provides organic/inorganic composite biomaterials constituted by composites of hydroxyapatite and collagen and having an average fiber length of 60 μm or longer, and a process for producing the same in which the calcium ion and phosphate ion concentr...
05/01/2012
8129072Ion-conducting ceramic apparatus, method, fabrication, and applications
A c-axis-oriented HAP thin film synthesized by seeded growth on a palladium hydrogen membrane substrate. An exemplary synthetic process includes electrochemical seeding on the substrate, and secondary and tertiary hydrothermal treatments under conditions that favor ...
03/06/2012
7943269Ion-/proton-conducting apparatus and method
A c-axis-oriented HAP thin film synthesized by seeded growth on a palladium hydrogen membrane substrate. An exemplary synthetic process includes electrochemical seeding on the substrate, and secondary and tertiary hydrothermal treatments under conditions that favor ...
05/17/2011
7906093Method of synthesizing zirconium phosphate particles
Zirconium phosphate particles are synthesized by providing a solution of zirconium oxychloride in an aqueous solvent, adding at least one oxygen-containing additive to the solution, the oxygen-containing additive being selected to form a complex with zirconium ions ...
03/15/2011
7901650Porous beta-tricalcium phosphate and methods for producing the same
Methods are provided for producing porous β-Tricalcium Phosphate (β-TCP). In the subject methods, β-TCP is combined with graphite to produce an intermediate greenware product. The intermediate greenware product is then sintered to produce porous β-TCP. The subje...
03/08/2011
7875255Nanoparticles comprising calcium phosphate and ethylene imine compositions and methods of production thereof
Highly dispersible inorganic compound nanoparticles modified by functional molecules include the functional molecules; a high molecular nitrogen compound having at least two amino groups selected from primary amino groups, secondary amino groups and tertiary amino g...
01/25/2011
7846411Calcium peroxyphosphates and use thereof in dental compositions
Calcium peroxyphosphate compounds and dental compositions comprising these compounds that combine both whitening/stain removal of teeth with remineralization are disclosed. The calcium peroxyphosphate compounds are capable of releasing, in an aqueous environment, wh...
12/07/2010
7767179Method for producing adsorbent, adsorbent, and adsorption apparatus
A method for producing an adsorbent which is stable toward a liquid such as an eluant and which shows excellent reproducibility in selectively adsorbing and separating an object compound, the method includes the steps of: preparing a base material having a surface, ...
08/03/2010
7468172Hydroxapatite calcium phosphates, their methods of preparation and their applications
The present invention is directed to calcium phosphates in granular form having an X-ray diffraction pattern characteristic of hydroxyapatite in which a portion of the anions of the crystal lattice are substituted with carbonate anions and which have good compressib...
12/23/2008
7416803Solid 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 capable undergoing rotational disorder of oxyanion groups...
08/26/2008
7390335Nanostructured bioactive materials prepared by spray drying techniques
Nano-particles of calcium and phosphorous compounds are made in a highly pure generally amorphous state by spray drying a weak acid solution of said compound and evaporating the liquid from the atomized spray in a heated column followed by collection of the precipit...
06/24/2008
7385803Tetravalent metal acid triphosphates
This invention is based on the preparation of new solid acid triphosphates with compositions of the general formula M(IV)(HPO4)(H2PO4)2, where M(IV) is a tetravalent metal or a mixture of tetravalent metals. These compounds are insoluble in water the greater part of...
06/10/2008
7374740Process for producing high purity phosphates
Phosphate rock is reacted with phosphoric acid to produce monobasic calcium phosphate. Monobasic calcium phosphate is reacted with ammonium carbonate to produce ammonium phosphate. Dibasic calcium phosphate is also produced as a by-product when monobasic calcium pho...
05/20/2008
7374739Calcium phosphate bone replacement materials and methods of use thereof
Methods of making porous calcium phosphate bone replacement materials are discussed. ...
05/20/2008
7353228Method and product for calculating a net operating income audit and for enabling substantially identical audit practices among a plurality of audit firms
Deployment of a computer program including a global NOI audit model together with standards, procedures, documentation, and reporting requirements in interactive, digital form to a plurality of audit firms operating independently of each other and having a reporting...
04/01/2008
7326289Film containing a photo-catalyst apatite, its formation method, coating liquid, and electronic device having portion coated with photo-catalyst apatite-containing film
A film containing a photo-catalyst apatite contains an inorganic coating main material, and a powdered photo-catalyst apatite and powdered titanium oxide that disperse within the inorganic coating main material, in which the total content of the photo-catalyst apati...
02/05/2008
7326464Calcium phosphate microgranules
The invention concerns microgranules produced from calcium phosphate materials. The invention also concerns a method for producing said microgranules. The inventive microgranules are characterized by a very narrow particle size distribution. ...
02/05/2008
7320728Rod-shaped apatite crystals having a specific length-to-width ratio
The rod-shaped apatite crystals of the formula Ca5(PO4)3(OH)xFy have the following features a) the length-to-breadth ratio of the crystals is at least ≧5 and b) x+y=1, where if x or y...
01/22/2008
7318841Synthesis of calcium phosphates by mechano-chemical process
A low crystallinity calcium phosphate powder is prepared by mechanically grinding a calcium phosphate solid under grinding forces local heating sufficient to mechanically alloy the calcium phosphate solid and reduce the crystalline domains of the calcium phosphate s...
01/15/2008
7303823Method of forming antibacterial layer containing metal-modified apatite
A method is provided for forming an antibacterial layer containing a metal-modified apatite. First, an apatite-containing liquid is prepared, which contains both an inorganic coating agent and 0.01˜5 wt % of metal-modified apatite powder. Then, the apatite-containi...
12/04/2007
7294187Rapid-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 saturated with respect to one or more calcium phosphate compounds, (2) ...
11/13/2007
7273596Method of producing granulated anhydrous dicalcium phosphate
A new and useful method of simultaneously producing and granulating anhydrous dicalcium phosphate is provided. Such a method entails the reaction of concentrated phosphoric acid with a powdered material of lime and/or calcium carbonate in substantially equal stoichi...
09/25/2007
7255962Eulytite 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
7247288Method of manufacturing hydroxyapatite and uses therefor in delivery of nucleic acids
Provided is a method for production of nanocrystalline hydroxyapatite particles, and nanocrystalline hydroxyapatite particles produced according to the method. The nanocrystalline hydroxyapatite particles exhibit substantially superior cell transformation abilities ...
07/24/2007
7223420Powder mixture for resorbable calcium phosphate biocements
The present invention relates to a powder mixture for resorbable calcium phosphate biocements, which mixture consists of 40–99% by volume of powder having a particle size of 0.1–10 μm, 1–20% by volume of powder having a particle size of 10–43 μm and 0–59...
05/29/2007
7204971Shaped microcomponents via reactive conversion of biologically-derived microtemplates
The present invention is focused on a revolutionary, low-cost (highly-scaleable) approach for the mass production of three-dimensional microcomponents: the biological reproduction of naturally-derived, biocatalytically-derived, and/or genetically-tailored three-dime...
04/17/2007
7192450Porous membranes for use with implantable devices
A membrane for implantation in soft tissue comprising a first domain that supports tissue ingrowth, disrupts contractile forces typically found in a foreign body response, encourages vascularity, and interferes with barrier cell layer formation, and a second domain ...
03/20/2007
7182937Anhydrous dentrifice formulations for the delivery of incompatible ingredients
A composition for reducing dentinal hypersensitivity and remineralizing exposed dentinal surface and open dentinal tubules, comprising a non-aqueous carrier and a desensitizing amount of a desensitizing/remineralizing agent which consists essentially of a water solu...
02/27/2007
7175858Calcium phosphate cements and methods for using the same
Methods and compositions for producing flowable compositions, e.g. pastes, that set into calcium phosphate products are provided. In the subject methods, dry reactants that include a calcium source and a phosphate source are combined with setting fluid to produce th...
02/13/2007
7169372Method for producing nano-sized crystalline hydroxyapatite
A mechanism and technological process for synthesizing nano-sized crystalline hydroxyapatite. In particular, for producing nano-sized crystalline hydroxyapatite whose particles have nano dimensions in length “l”, width “d” and thickness “h”, wherein “h...
01/30/2007
7163651Method for making a porous calcium phosphate article
The present invention discloses a method for making a porous calcium phosphate article including i) preparing a shaped article from a paste containing a calcium phosphate cement, a pore-forming powder and a setting liquid; ii) immersing the shaped article in an imme...
01/16/2007
7157027Dual function prosthetic bone implant and method for preparing the same
The present invention discloses a prosthetic bone implant made of a hardened calcium phosphate cement having an apatitic phase as a major phase, which includes a dense cortical portion bearing the majority of load and a porous cancellous portion allowing a rapid blo...
01/02/2007
7153482Rod shaped apatite crystals having a specific length-to-width ratio
The rod-shaped apatite crystals of the formula Ca5(PO4)3(OH)xFy have the following features a) the length-to-breadth ratio of the crystals is at least ≧5 and b) x+y=1, where if x or y...
12/26/2006
7150879Neutral 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 the reaction a limited amount of water is mixed with dry calcium phosph...
12/19/2006
7150862Method of manufacturing powder
A method of manufacturing a powder, by which it is possible to adjust the strength of the obtained powder is provided. The manufacturing method of a powder involves a step of preparing a slurry containing agglomerated particles of a synthetic material which is produ...
12/19/2006
7134999Optimized sensor geometry for an implantable glucose sensor
An implantable sensor for use in measuring a concentration of an analyte such as glucose in a bodily fluid, including a body with a sensing region adapted for transport of analytes between the sensor and the bodily fluid, wherein the sensing region is located on a c...
11/14/2006
7128856Dual function prosthetic bone implant and method for preparing the same
The present invention discloses a prosthetic bone implant made of a hardened calcium phosphate cement having an apatitic phase as a major phase, which includes a dense cortical portion bearing the majority of load and a porous cancellous portion allowing a rapid blo...
10/31/2006
7122138Dual function prosthetic bone implant and method for preparing the same
The present invention discloses a prosthetic bone implant made of a hardened calcium phosphate cement having an apatitic phase as a major phase, which includes a dense cortical portion bearing the majority of load and a porous cancellous portion allowing a rapid blo...
10/17/2006
7122139Dual function prosthetic bone implant and method for preparing the same
The present invention discloses a prosthetic bone implant made of a hardened calcium phosphate cement having an apatitic phase as a major phase, which includes a dense cortical portion bearing the majority of load and a porous cancellous portion allowing a rapid blo...
10/17/2006
7122140Dual function prosthetic bone implant and method for preparing the same
The present invention discloses a prosthetic bone implant made of a hardened calcium phosphate cement having an apatitic phase as a major phase, which includes a dense cortical portion bearing the majority of load and a porous cancellous portion allowing a rapid blo...
10/17/2006
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