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Hydroxyapatite

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


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NEW Method of making injectable cements
Wayne State University
January 18, 2018 - N°20180015198

A discovery of the conversion of amorphous calcium polyphosphate (acpp) or/and other polyphosphate salts with various type of calcium phosphate to new calcium phosphate product (i. E. Dicalcium phosphate dihydrate (dcpd)) in a liquid environment. The discovery includes mixing a various type of calcium phosphate with an aqueous acpp or/and other polyphosphate salts gel, which is fast setting ...
Makeup cosmetic
Shiseido Company, Ltd.
January 11, 2018 - N°20180008527

Provided is a makeup cosmetic having bright fluorescent colouring whilst still having excellent transparency (being clear), and a cosmetic colouring material that is suitable for the cosmetic. The makeup cosmetic comprises (a) at least one kind of oil-soluble dye selected from the group consisting of red no. 218, red no. 223 and orange no. 201, (b) particles of a specific material selected from ...
Coating of dental prosthetic surfaces comprising a distinct layer of a synthetic hydroxyapatite
Kulzer Gmbh
January 11, 2018 - N°20180008381

Subject matter of the invention are prosthetic mouldings, which have, at least area by area, at least one layer of biomimetic apatite selected from fluorapatite, hydroxylapatite or their mixtures on their surface, wherein the surface of the mouldings has micromechanical anchoring positions at least in this area to improve mechanical connection of apatite to the surface. Another subject matter of ...
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Composition and method of manufacturing calcium magnesium sulfonate greases
Nch Corporation
November 23, 2017 - N°20170335221

An overbased calcium magnesium sulfonate grease composition and method of manufacture comprising both overbased calcium sulfonate and overbased magnesium sulfonate in a ratio range of 60:40 to 100:1. The grease is made according to any known method for making an overbased calcium sulfonate grease by using the overbased magnesium sulfonate in addition to the overbased calcium sulfonate. A portion of the magnesium ...
Agent for hypodermic injection
November 23, 2017 - N°20170333600

The agent for hypodermic injection includes a hydrogel containing sintered hydroxyapatite particles, wherein the sintered hydroxyapatite particle content is 1 to 60% by mass based on the total mass of the agent, and the average particle diameter of the sintered hydroxyapatite particles is 15 μm or less.
Dermal filler based on crosslinked hyaluronic acid and carboxymethyl cellulose lubricant
Merz Pharma Gmbh & Co. Kgaa
November 23, 2017 - N°20170333596

The present invention relates to injectable dermal filler compositions in the form of a gel, comprising hyaluronic acid (ha), carboxymethyl cellulose (cmc) and, optionally, microparticles such as calcium hydroxyapatite (cahap) microparticles. The injectable dermal filler compositions have improved rheological properties while at the same time have low extrusion forces. The present invention further relates to a method for preparing such ...
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Implantable composite containing carbonated hydroxyapatite
Warsaw Orthopedic, Inc.
November 23, 2017 - N°20170333190

Provided is an implantable composite which includes a plurality of resorbable ceramic particles with or without a biodegradable polymer. The resorbable ceramic particles can be granules including carbonated hydroxyapatite and tricalcium phosphate in a ratio of 5:95 to 70:30. Some resorbable ceramic particles are granules, which include carbonated hydroxyapatite and β tricalcium phosphate in a ratio of 5:95 to 70:30. The resorbable ceramic ...
Bone repair material of multivariant amino acid polymer-hydroxyapatite, supportive implants and the preparation method thereof
Sichuan National Nano Technology Co., Ltd.
November 16, 2017 - N°20170327643

The present invention relates to bone repair material of multivariant amino acid polymer-hydroxyapatite, supportive implants and preparation method. Said restorative material is made of multivariant amino acid polymers consisted with ε-aminocaproic acid and other α-amino acids, together with constituents modified hydroxyapatite, in which the constituent modified hydroxyapatite uses calcium salt as modified constituents that can be ...
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
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.
Textile material and process for obtaining the same
November 02, 2017 - N°20170314187

The present disclosure relates to modified textile material, wherein the modification is carried out by treating textile material with hydroxyapatite. Such modified textile materials show bacterio-repulsion by preventing bacteria from attaching to their surfaces, thereby preventing malodor formation. The present disclosure also relates to process for obtaining the modified textile material as well as use of hydroxyapatite as a bacterial ...
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.
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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 ...
Bioactive coated gutta-percha as root canal filling matter
Universiti Malaya
September 07, 2017 - N°20170252269

The present invention relates to the deposition of a micro-crystalline hydroxyapatite and tricalcium phosphate coating onto gutta-percha cones, to be used as dental composite for root canal filling. The method proposed for coating involves the surface pretreatment of gutta-percha cones with sodium hydroxide; immersion of gutta-percha cones in simulated body fluid, which contains calcium and phosphate ions; and replacing consumed ...
A method for producing a hap (hydroxyapatite)/boron-doped hap and developing composite tissue scaffolds
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.
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