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Hydroxyapatite

Hydroxyapatite-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Porous polysaccharide scaffold comprising nano-hydroxyapatite and use for bone formation
Universite Paris Diderot - Paris 7
November 09, 2017 - N°20170319741

The present invention relate to three dimensional porous polysaccharide matrices able to induce mineralisation of a tissue in osseous site, as well as in non-osseous site, in the absence of stem cells or growth factors.
Agent for hypodermic injections and production method for syringes containing agent for hypodermic injections
Universite Paris Diderot - Paris 7
November 09, 2017 - N°20170319618

There is provided a method for producing an agent for hypodermic injection, wherein the agent includes a hydrogel containing sintered hydroxyapatite particles, and the production method includes a deaeration step for removing air contained in the agent.
Method for occluding dentin tubules and remineralizing teeth
University Of Dammam
November 09, 2017 - N°20170319455

A method for occluding dentin tubules and remineralizing teeth with a toothpaste. The toothpaste may be applied onto a mouth tray and the teeth are contacted with the toothpaste present in the mouth tray wherein the toothpaste includes theobromine and at least one of a bioactive glass and hydroxyapatite.
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Template-induced silicate-doped hydroxyapatite and the preparation method
Asia Biomaterials (wuhan) Co. Ltd.
October 12, 2017 - N°20170290855

A silicate-doped hydroxyapatite material has an ordered and directional growth structure. The silicon content in the silicate-doped hydroxyapatite material ranges from 0. 1 wt % to 1. 6 wt %, and silicon is doped in hydroxyapatite lattices in a form of silicate. A template-induced method for manufacturing the synthetic silicate-doped hydroxyapatite material above.
Polyelectrolyte dental adhesives for whitening teeth and teeth components
Safewhite, Inc.
October 05, 2017 - N°20170281513

This document relates to methods and materials involved in providing a tooth, tooth component, or inorganic dental material (e. G., a human tooth, a human tooth component, or an inorganic dental material within a human's mouth) with a white appearance. For example, a whitening adhesive containing a conjugate of at least a polyamine, a polyphosphate, and one or more whitening ...
Assembly of layered monetite-chitosan nanocomposite and its transition to organized hydroxyapatite
University Of Southern California
September 28, 2017 - N°20170273793

A multilayer structure that functions as a bone replacement material includes a plurality of organic matrix layers such that each organic matrix layer includes chitosan and a dicarboxylic acid. The multilayer structure also includes a plurality of calcium phosphate-containing layers wherein each calcium phosphate-containing layer is interposed between a pair of organic matrix layers. Characteristically, the chitosan is cross-linked by ...
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A method for producing a hap (hydroxyapatite)/boron-doped hap and developing composite tissue scaffolds
Universiti Malaya
August 31, 2017 - N°20170246346

The present invention relates to a method for producing biomimetic hydroxyapatite (hap) and boron-doped hap (b-hap) with the support of microwave and a method for coating tissue scaffolds with hap and/or b-hap.
Method for producing porous calcium deficient hydroxyapatite granules
Bioventus, Llc
July 13, 2017 - N°20170197833

The method is for producing porous calcium deficient hydroxyapatite granules and comprises the following steps: (a) subjecting granules of calcium sulfate anhydrous (csa), calcium sulfate dihydrate (csd) or calcium sulfate hemihydrate (csh) to an incubation in an alkaline aqueous solution having a ph-value of less than 10 and containing po43− ions; whereby the granules of calcium sulfate anhydrous (csa), calcium ...
Kit and method for detecting porous dental hydroxyapatite
Incisive Technologies Pty Ltd
July 13, 2017 - N°20170196777

The present invention relates to a kit and a probe for detecting porous dental hydroxyapatite that includes a protein capable of binding porous dental hydroxyapatite or a detector thereof. The invention also relates to a method for detecting a condition involving porous dental hydroxyapatite that includes detecting in or on a tooth or a sample of the tooth of a ...
Composition and methods for tethering bioactive peptides to metal oxide surfaces
The University Of Akron
July 06, 2017 - N°20170189531

In various aspects, embodiments of the present invention are directed to a series of multivalent dendrons containing a bioactive peptide domain and surface-binding catechol domains. In some embodiments, these multivalent dendrons were obtained through solid phase synthesis and have a strong binding affinity to metal oxide surfaces such as, tio2, zro2, ceo2, and fe3o4, sio2, as well as other ...
Nutrient extraction and recovery device for isolation and separation of target products from animal produced ...
University Of Maryland, Baltimore County
June 22, 2017 - N°20170174577

The present invention provides for nutrient extraction and recovery devices that use the donnan membrane principle (dmp) to cause spontaneous separation of dissolved ions along electrochemical potential gradients, wherein anions and cations such as h2po4−, hpo42−, po43−, mg2+, ca2+, nh4+, and k+ are moved from manure containing waste streams through cation and anion exchange membranes into ...
Polarized hydroxyapatite films and methods of making and using same
University Of Rochester
June 22, 2017 - N°20170173213

Polarized hydroxyapatite films disposed on a substrate. The films have a residual polarization of at least 5 mc/cm2. Also provided are methods of making and using polarized hydroxyapatite. The films can be used as coatings of medical devices, such as, for example, medical implants.
Method for producing porous calcium deficient hydroxyapatite granules
Mathys Ag Bettlach
June 08, 2017 - N°20170158510

The method is for producing porous calcium deficient hydroxyapatite granules and comprises the following steps: (a) subjecting granules of calcium sulfate anhydrous (csa), calcium sulfate dihydrate (csd) or calcium sulfate hemihydrate (csh), the granules comprising interconnected pores with a minimum mean diameter of 3 microns, to a first incubation in an alkaline aqueous solution having a ph-value of less than 10 and ...
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Multiple imaging mode tissue marker
C. R. Bard, Inc.
May 11, 2017 - N°20170128154

An intracorporeal marker for marking a site within living tissue of a host having a body of porous hydroxyapatite whose physical properties permit the body to be distinguished from human soft tissue under visualization using ultrasonic and radiation imaging modalities.
Mineral-enzyme complex for strengthening and whitening tooth enamel, oral hygiene composition, and toothpaste
C. R. Bard, Inc.
May 04, 2017 - N°20170119647

The invention relates to the field of cosmetology, namely to mineral-enzyme complexes for tooth enamel strengthening and whitening, and also to compositions for oral hygiene comprising said complex, in particular, to toothpastes and other compositions. The described mineral-enzyme complex for tooth enamel strengthening and whitening is characterized by the fact that it contains calcium hydroxyapatite and tannase with the following ...
Uv-filters, method of producing the same and their use in compositions, in particular sunscreens
Universidade CatÓlica Portuguesa
May 04, 2017 - N°20170119636

The present disclosure relates to new uv-filters, method of producing the same and their use in compositions in particular, cosmetic/pharmaceutical or textile compositions, namely sunscreens cream or sunscreens textile article, in particular the present disclosure relates to hydroxyapatite based-compound comprising ca9feh(po4)7 and/or α-fe2o3 in hematite form for use in a method for protecting ...
Collagen matrix
Warsaw Orthopedic, Inc.
April 13, 2017 - N°20170100510

Methods for making a biodegradable collagen matrix having increased osteoinductivity and a biodegradable collagen matrix prepared by these methods are provided. In various embodiments, the methods include providing an acidic collagen slurry and mixing it with at least one water soluble and/or hydrophilic bioactive agent under conditions sufficient to cause the collagen slurry to self-assemble into macroscopic collagen fibers ...
Producing calcium phosphate compositions
Clean World Technologies Ltd.
March 30, 2017 - N°20170088424

The disclosure features compositions that include a material featuring three calcium phosphate phases that form one or more integral units of a solid, where a first one of the three phases includes one or more regions formed of hydroxyapatite, a second one of the three phases includes one or more regions formed of β-tricalcium phosphate, a third one ...
Plasma-enriched hydroxyapatite-based filler material and method of filling bone gaps with the same
Metrex Research, Llc
March 23, 2017 - N°20170080122

Plasma-enriched hydroxyapatite-based fillers and methods of filling bone gaps in oral surgery, orthopedic procedures, and cosmetic surgery are disclosed. The fillers contain a substance comprising an anticoagulant antidote, a substance comprising hydroxyapatite, and blood or plasma. The blood may be either autologous or allogeneic. The fillers have a dough-like consistency and can be manipulated easily by a surgeon.
Injectable sterile aqueous formulation based on crosslinked hyaluronic acid and hydroxyapatite for aesthetic use
Anteis S.a.
March 09, 2017 - N°20170065741

The object of the present invention is an injectable sterile aqueous formulation, ready-to-use, resorbable, used for aesthetic purposes as a particulate, cohesive, viscoelastic gel comprising i) crosslinked hyaluronic acid, or one of its salts, at a concentration of between 0. 1% and 4% (mass/volume); the crosslinking carried out providing the possibility of obtaining a gel based on crosslinked hyaluronic acid with a ...
Particulate hydroxyapatite compositions and methods for preparing the same
Honeywell International Inc.
March 02, 2017 - N°20170056304

A method for preparing a fast-drying particulate hydroxyapatite composition includes the steps of reacting a calcium salt aqueous solution with a phosphate salt aqueous solution to obtain a product solution including hydroxyapatite particles in aqueous suspension and a dissolved byproduct salt; purifying the product solution by removing at least a portion of the dissolved byproduct salt to form a purified ...
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