Patent application number | Description | Published |
20090220919 | Dental Bleaching Gel Composition Containing Vegetative Enzymes - This invention is related to a kind of teeth bleaching formulation containing the vegetative enzymes extracted from plant tubers with extensively applications in cosmetic dentistry. The enzymes are susceptible to promote the decomposition (dissociation) of peroxide compounds, thus the intermediate hydroxyl free radicals are generated to turn the unpleasant stained tooth into light or colorless appearance effectively. The composition of a whitening gel may comprising 2˜50 wt % of hydrogen peroxide, 0.003˜3 wt % vegetative enzyme extract, and transferring to alkalinity approximately pH 8˜13 to achieve the high efficiency dental bleaching usage. | 09-03-2009 |
20100139524 | Novel amorphous metal salt for facilitating the handling property of portland cements and dental applications thereof - A novel amorphous divalent metal ion salt for enhancing the manageability of a Portland cement and its application in dental field are disclosed. Typical formula (I), (II), or (III) of this amorphous metal ion salt are shown as following: | 06-10-2010 |
20100143271 | Method for preparing amorphous calcium phosphate and oral care composition containing amorphous calcium phosphate prepared by the same - A method for preparing amorphous calcium phosphate (ACP) and oral care composition containing ACP prepared by the same are disclosed, wherein the method comprises the following steps: (a) cleaning and pulverizing the oyster shells; (b) sintering the oyster shells to obtain a calcium-containing powder; (c) dissolving the calcium-containing powder in water to obtain a calcium-containing solution; and (d) mixing the calcium-containing solution with a other phosphate-containing solution, to produce amorphous calcium phosphate. | 06-10-2010 |
20110150791 | CALCIUM PHOSPHATE COMPLEX FOR ORAL CARE APPLICATIONS, ITS PREPARATION METHOD, AND COMPOSITIONS CONTAINING THE SAME - The invention is directed to a calcium phosphate complex and the composition containing the same for oral care applications, in which the calcium phosphate complex is formed by chelating the γ-polyglutamic acid (γ-PGA) with amorphous calcium phosphate (ACP). This complex can prevent crystallization of ACP and maintain its high solubility. The calcium phosphate complex has superior mucoadhesion properties, allowing it to remain in the mouth longer and offering effective buffering, by which dental caries can be alleviated and prevented. | 06-23-2011 |
20110229547 | PROCESS FOR PRODUCING INORGANIC INTERCONNECTED 3D OPEN CELL BONE SUBSTITUTES - The present invention relates to a process of using a heat responsive mixture to produce inorganic interconnected 3D open-cell bone substitutes which can be applied in the orthopedic or dental field for treatment of bone damage. The invention provides a simple and easily-controlled process of preparing porous inorganic bone substitute materials. | 09-22-2011 |
20110264235 | ELECTROSTATIC-ASSISTED FIBER SPINNING METHOD AND PRODUCTION OF HIGHLY ALIGNED AND PACKED HOLLOW FIBER ASSEMBLY AND MEMBRANE - The invention provides a highly aligned and closely packed hollow fiber assembly, wherein the assemblies of fibrous membrane has a width-to-fiber diameter ratio (W/d) larger than 10 and the orientation of the fibers is no larger than +/−10°. Also provided is an electrospinning process for the preparation of the fiber assembly of the invention and its applications. | 10-27-2011 |
20110288273 | HIGH YIELD DIALYSIS-FREE PROCESS FOR PRODUCING ORGANOSOLUBLE REGENERATED SILK FIBROIN - The invention relates to a simple and high yield process for producing a regenerated silk fibroin which does not need dialysis. Particularly, a process of the invention is characterized in that the silk fibroin is precipitated by applying a shear stress and/or changing the solvent power of the fibroin solution. The process of the invention simplifies the process of producing silk fibroin and greatly shortens the process time to 1 to 2 hours, whereas the conventional dialysis process is complex and needs around 2 to 3 days. In addition to reducing the time needed, the process of the invention can increase productivity of silk fibroin by at least 8%. | 11-24-2011 |
20120129135 | NOVEL TYPE OF ANION-CONTAINING CALCIUM PHOSPHATE COMPOUND FOR DENTAL REMINERALIZATION - The invention provides an anion-containing calcium phosphate compound, composition and dental patch comprising the same and their use in remineralizing teeth. The anion-containing calcium phosphate compound has the following formula: | 05-24-2012 |
20120136441 | POLYLACTIC ACID/CALCIUM SULFATE SCAFFOLD - The invention relates to a method of preparing a composite or porous composite used as a biodegradable scaffold, the composite prepared therefrom and the use of the composite. In particular, the composite is a calcium sulfate-polylactic acid composite or porous composite and the composite can be especially used as an in situ pore forming scaffold. | 05-31-2012 |
20120189683 | COMPOSITE OF AMORPHOUS CALCIUM PHOSPHATE/CALCIUM SULFATE HEMIHYDRATE (CSH/ACP) FOR BONE IMPLANTATION AND PROCESS FOR PRODUCING THE SAME - The invention provides a composite of α-calcium sulfate (CS) hemihydrate/amorphous calcium phosphate (α-CSH/ACP), comprising α-CSH and ACP at a weight ratio of about 10:90 to about 90:10. Particularly, the composite of the invention has a resorption period of 3-6 months. The invention also provides a one-pot process for producing α-CSH/ACP composite of the invention. The one-pot process of the invention can produce α-CSH and ACP in a single process and easily obtain α-CSH/ACP composite. | 07-26-2012 |
20120301436 | POLYELECTROLYTE COMPLEX GELS AND SOFT TISSUE AUGMENTATION IMPLANTS COMPRISING THE SAME - The invention provides a polyelectrolyte complex gel comprising a chitosan and a γ-polyglutamic acid (γ-PGA) having a molecular weight from about 1 kDa to about 400 kDa or the salt thereof, wherein the chitosan and the γ-PGA are swollen with an aqueous solution. Also provided is a soft tissue augmentation implant, comprising a polyelectrolyte complex gel of the invention as a carrier or a filler and an optional additive. The polyelectrolyte complex gel and the soft tissue augmentation implant containing the same has long degradation time and better supportability so as to provide good maintenance for soft tissue. | 11-29-2012 |
20150342719 | ELECTROSTATIC-ASSISTED FIBER SPINNING METHOD AND PRODUCTION OF HIGHLY ALIGNED AND PACKED HOLLOW FIBER ASSEMBLY AND MEMBRANE - The invention provides a highly aligned and closely packed hollow fiber assembly, wherein the assemblies of fibrous membrane has a width-to-fiber diameter ratio (W/d) larger than 10 and the orientation of the fibers is no larger than +/−10°. Also provided is an electrospinning process for the preparation of the fiber assembly of the invention and its applications. | 12-03-2015 |
Patent application number | Description | Published |
20100086474 | Process for Preparing alpha Calcium Sulfate Hemihydrate - The invention provides a process for preparing α-calcium sulfate hemihydrate which comprises the following steps: adding aqueous solutions containing sulfate ions and calcium ions to calcium chloride solution with a range of concentration; reacting the mixture of a) at a range of temperature for an appropriate time; filtering and washing the reaction products of b) with a rising solvent to isolate the solid and liquid phases; and d) collecting and drying the solid phase to obtain α-calcium sulfate hemihydrate with high purity; wherein the relationship between the range of the concentration of calcium chloride (y) and the range of the reaction temperature (x) is shown as the following formula: | 04-08-2010 |
20110171600 | Bio-Implant Having a Screw Body with Nanoporous Spiral Groove and the Method of Making the Same - A bio-implant having a screw body selectively formed with nanoporous channels structure in a spiral groove and the method of making the same are disclosed. Nanoporous channels structure formed into the spiral groove of the bio-implant is carried out by the heat treatment in vacuum firstly and anodic treatment secondly. Thereafter, bioactive material is filled into the nanoporous and deposited on the implant surface by an electro-deposition process so as to increase the bioactivity and biocompatibility of the bio-implant. | 07-14-2011 |
20110195378 | Composite Bio-Ceramic Dental Implant and Fabricating Method Thereof - A composite bio-ceramic dental implant and fabricating method thereof are disclosed. The composite bio-ceramic is sintered at a temperature between 1000 and 1800° C. using the nearly inert bio-ceramic powder and the active bio-ceramic powder or the completely resorbable bio-ceramic powder. The bioactive bio-ceramic material is dispersed in the inert bio-ceramic material. Therefore, the composite bio-ceramic has enough mechanical strength and good bioactivity for dental implant. | 08-11-2011 |
20130150227 | Composite Bio-Ceramic Dental Implant and Fabricating Method Thereof - A composite bio-ceramic dental implant and fabricating method thereof are disclosed. The composite bio-ceramic is sintered at a temperature between 1000 and 1800° C. using the nearly inert bio-ceramic powder and the active bio-ceramic powder or the completely resorbable bio-ceramic powder. The bioactive bio-ceramic material is dispersed in the inert bio-ceramic material. Therefore, the composite bio-ceramic has enough mechanical strength and good bioactivity for dental implant. | 06-13-2013 |
20140144880 | Method of Surface Treatment for Zirconia Dental Implants - A method of surface treatment for zirconium oxide implants and the etching formula for the same are disclosed. The processes are carried out at room temperature. The average surface roughness Ra and the standard deviation of the implant are measured showing significant improvement while comparing with the un-treated sample and the hydrofluoric acid treated samples. The average contact angle is provided showing an almost hydrophilic surface after etched by the formula according to the present invention. | 05-29-2014 |
Patent application number | Description | Published |
20080230885 | CHIP HERMETIC PACKAGE DEVICE AND METHOD FOR PRODUCING THE SAME - A chip hermetic package device includes a substrate, a chip, a hermetic lid, a hermetic material and a post. The height of the post is larger than the thickness of the hermetic material. A method for producing a chip hermetic package includes the steps of: mounting the chip on the substrate; disposing the post and the hermetic material between the substrate and the hermetic lid; disposing the hermetic lid on the substrate to form a chamber, the post supporting the hermetic lid on the substrate to form an air passage; and performing a sealing step in an atmosphere of inert gas. The present invention utilizes the post to form the air passage between the substrate and the hermetic lid. Therefore, only is the sealing step performed in the atmosphere of nitrogen, and present invention needs a reduced number of equipment. Therefore, the present invention has a low cost, simplifies the packaging process and improves efficiency. | 09-25-2008 |
20090140413 | SEMICONDUCTOR PACKAGE STRUCTURE, APPLICATIONS THEREOF AND MANUFACTURING METHOD OF THE SAME - A semiconductor package structure and the applications thereof and the manufacturing method are disclosed. The semiconductor package structure includes a carrier, a semiconductor device, a first package body, a lid and a second package body. The semiconductor device is electrically connected to the carrier via a first conductive element. The first package body is molded on the carrier to surround the semiconductor device. The lid is disposed on top of the first package body and has at least one protrusion. The second package body is molded on the carrier to encapsulate the protrusion, whereby the protrusion is embedded within the second package body thereby locking the lid in place against the first package body. | 06-04-2009 |
20100230788 | CHIP STRUCTURE, WAFER STRUCTURE AND PROCESS OF FAABRICATING CHIP - A chip structure includes a substrate and a stress buffer layer. The substrate has a first surface and a second surface opposite to the first surface. The stress buffer layer is disposed on the periphery of the substrate and located in at least one of the first surface and the second surface of the substrate. | 09-16-2010 |
20130161670 | LIGHT EMITTING DIODE PACKAGES AND METHODS OF MAKING - Light emitting, diode (LED) packages and processes with improved heat dissipation. In certain embodiments, only metal solder resides in the space between the leadframe and the circuit board, providing good heat conduction from the LED chip to the circuit board. In certain embodiments, sidewalls of the leadframe are tilted to provide improved light emission. | 06-27-2013 |
20130292803 | CHIP STRUCTURE AND WAFER STRUCTURE - A chip structure includes a substrate and a stress buffer layer. The substrate has a first surface and a second surface opposite to the first surface. The stress buffer layer is disposed on the periphery of the substrate and located in at least one of the first surface and the second surface of the substrate. | 11-07-2013 |