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989691 results about "Chemistry" patented technology
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Chemistry is the scientific discipline involved with elements and compounds composed of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during a reaction with other substances.
Natural-superlattice homologous single crystal thin film, method for preparation thereof, and device using said single crystal thin film
InactiveUS7061014B2Easy to controlSimple processTransistorPolycrystalline material growthSingle crystal substrateSingle crystal
Disclosed is a natural-superlattice homologous single-crystal thin film, which includes a complex oxide which is epitaxially grown on either one of a ZnO epitaxial thin film formed on a single-crystal substrate, the single-crystal substrate after disappearance of the ZnO epitaxial thin film and a ZnO single crystal. The complex oxide is expressed by the formula: M1M2O3 (ZnO)m, wherein M1 is at least one selected from the group consisting of Ga, Fe, Sc, In, Lu, Yb, Tm, Er, Ho and Y, M2 is at least one selected from the group consisting of Mn, Fe, Ga, In and Al, and m is a natural number of 1 or more. A natural-superlattice homologous single-crystal thin film formed by depositing the complex oxide and subjecting the obtained layered film to a thermal anneal treatment can be used in optimal devices, electronic devices and X-ray optical devices.
Owner:HOYA CORP +1
Process for atomic layer deposition
ActiveUS20080182358A1Suitable for processingAllowed to operateAdditive manufacturing apparatusSemiconductor/solid-state device manufacturingZincAtomic layer deposition
The present invention relates to a process of making a zinc-oxide-based thin film semiconductor, for use in a transistor, comprising thin film deposition onto a substrate comprising providing a plurality of gaseous materials comprising at least first, second, and third gaseous materials, wherein the first gaseous material is a zinc-containing volatile material and the second gaseous material is reactive therewith such that when one of the first or second gaseous materials are on the surface of the substrate the other of the first or second gaseous materials will react to deposit a layer of material on the substrate and wherein the third gaseous material is inert with respect to reacting with the first or second gaseous materials.
Owner:EASTMAN KODAK CO
Method of dry etching oxide semiconductor film
InactiveUS20080038929A1Improve processing accuracyIncrease etch rateDecorative surface effectsSemiconductor/solid-state device manufacturingSemiconductorDry etching
Provided is a dry etching method for an oxide semiconductor film containing at least In, Ga, and Zn, which includes etching an oxide semiconductor film in a gas atmosphere containing a halogen-based gas.
Owner:CANON KK
Dry etching method for oxide semiconductor film
InactiveUS20070287296A1Improve processing accuracyIncrease etch rateDecorative surface effectsSemiconductor/solid-state device manufacturingDry etchingSemiconductor
Provided is a dry etching method for an oxide semiconductor film made of In—Ga—Zn—O, in which an etching gas containing a hydrocarbon is used in a dry etching process for the oxide semiconductor film made of In—Ga—Zn—O formed on a substrate.
Owner:CANON KK
Glycosylation engineering of antibodies for improving antibody-dependent cellular cytotoxicity
InactiveUS6602684B1Increase healing valueEnhanced Fc-mediated cellular cytotoxicityNanotechFungiAntibody fragmentsADAMTS Proteins
The present invention relates to the field glycosylation engineering of proteins. More particular, the present invention is directed to the glycosylation engineering of proteins to provide proteins with improved therapeutic properties, e.g., antibodies, antibody fragments, or a fusion protein that includes a region equivalent to the Fc region of an immunoglobulin, with enhanced Fc-mediated cellular cytotoxicity.
Owner:ROCHE GLYCART AG
Cysteine engineered antibodies and conjugates
Owner:GENENTECH INC
Porous tissue scaffoldings for the repair of regeneration of tissue
InactiveUS6333029B1Promote growthPromote regenerationPeptide/protein ingredientsAntipyreticRepair tissueOpen cell
The present patent describes a three-dimensional inter-connected open cell porous foams that have a gradient in composition and / or microstructure through one or more directions. These foams can be made from a blend of absorbable and biocompatible polymers that are formed into foams having a compositional gradient transitioning from predominately one polymeric material to predominately a second polymeric material. These gradient foams are particularly well suited to tissue engineering applications and can be designed to mimic tissue transition or interface zones.
Owner:ETHICON ENDO SURGERY INC
Methods and systems for inserting a transcutaneous analyte sensor
The present invention relates generally to systems and methods for measuring an analyte in a host. More particularly, the present invention relates to systems and methods for transcutaneous measurement of glucose in a host.
Owner:DEXCOM INC
Biointerface membranes incorporating bioactive agents
InactiveUS20050031689A1Improve performancePowder deliveryAdditive manufacturing apparatusBiointerfaceActive agent
A biointerface membrane for an implantable device including a nonresorbable solid portion with a plurality of interconnected cavities therein adapted to support tissue ingrowth in vivo, and a bioactive agent incorporated into the biointerface membrane and adapted to modify the tissue response is provided. The bioactive agents can be chosen to induce vascularization and / or prevent barrier cell layer formation in vivo, and are advantageous when used with implantable devices wherein solutes are transported across the device-tissue interface.
Owner:DEXCOM
Organometallic compounds for use in electroluminescent devices
ActiveUS7534505B2Discharge tube luminescnet screensGroup 8/9/10/18 element organic compoundsOrganic light emitting deviceOrganic layer
An organic light emitting device having an anode, a cathode and an organic layer between the anode and the cathode is provided. The organic layer comprises a carbene-metal complex having the structure:
Owner:UNIVERSAL DISPLAY +1
Material for organic electroluminescent element and organic electroluminescent element employing the same
ActiveUS20090030202A1Improve efficiencyImprove heat resistanceOrganic chemistryDischarge tube luminescnet screensHeat resistanceHost material
A material for organic electroluminescence devices for use as a host material in combination with at least one phosphorescent metal complex, which comprises a compound having a specific heterocyclic structure, is described. Also described is an organic electroluminescence device having an anode, a cathode and an organic thin film layer having one or more layers. The organic thin film layer is interposed between the anode and cathode and has a light emitting layer containing a host material in combination with at least one phosphorescent metal complex. At least one layer of the organic thin film layer contains the material for organic electroluminescence devices. The material for organic electroluminescence devices provides an organic electroluminescence device which has a high emitting efficiency, causes little pixel defects, is excellent in heat resistance, and show a long lifetime.
Owner:IDEMITSU KOSAN CO LTD
Water-swellable copolymers and articles and coatings made therefrom
Owner:TYCO HEALTHCARE GRP LP
Binding polypeptides with optimized scaffolds
InactiveUS20070292936A1Improve folding stabilityImprove stabilitySugar derivativesMicroorganismsVariable domainChemistry
The invention provides variant heavy chain variable domains (VH) with increased folding stability. Libraries comprising a plurality of these polypeptides are also provided. In addition, compositions and methods of generating and using these polypeptides and libraries are provided.
Owner:GENENTECH INC
Method for preparing two-layer bicomposite collagen material for preventing post-operative adhesions
InactiveUS6596304B1Improve propertiesAvoid stickingPeptide/protein ingredientsSurgerySurgical operationPost operative
A bicomposite material based on collagen is prepared which has two closely bound layers and is biocompatible, non-toxic, hemostatic and biodegradable in less than a month, and can be used in surgery to achieve hemostasis and prevent post-surgical adhesion. To prepare the material, a solution of collagen or gelatin, which may contain glycerine and a hydrophilic additive such as polyethylene glycol or a polysaccharide, is poured onto an inert support to form a layer 30 .mu.m to less than 100 .mu.m thick. Then a polymeric porous fibrous layer is applied during gelling of the collagen or gelatin, and the resultant material is dried. The polymeric porous fibrous layer may be made of collagen or a polysaccharide, and have a density of not more than 75 mg / cm.sup.2, a pore size from 30 .mu.m to 300 .mu.m and a thickness of 0.2 cm to 1.5 cm.
Owner:IMEDEX BIOMATERIAUX CHAPONOST
Transcutaneous analyte sensor
The present invention relates generally to systems and methods for measuring an analyte in a host. More particularly, the present invention relates to systems and methods for transcutaneous measurement of glucose in a host.
Owner:DEXCOM
Aromatic amine derivatives and organic electroluminescent device using same
InactiveUS20080106190A1Less liableImproved in yield in producingOrganic chemistryDischarge tube luminescnet screensHole transport layerOrganic electroluminescence
The present invention provides a novel aromatic amine derivative having a specific structure and an organic electroluminescence device in which an organic thin film layer comprising a single layer or plural layers including at least a light emitting layer is interposed between a cathode and an anode, wherein at least one layer in the above organic thin film layer, particularly a hole transporting layer contains the aromatic amine derivative described above in the form of a single component or a mixed component. Use of the aromatic amine derivative described above materialize an organic electroluminescence device which reduces a driving voltage and makes molecules less liable to be crystallized and which enhances a yield in producing the organic EL device and has a long lifetime.
Owner:IDEMITSU KOSAN CO LTD
Calibration techniques for a continuous analyte sensor
ActiveUS20050143635A1Improve convenienceEasy CalibrationAdditive manufacturing apparatusCatheterAnalyteGlucose sensors
Disclosed herein are systems and methods for calibrating a continuous analyte sensor, such as a continuous glucose sensor. One such system utilizes one or more electrodes to measure an additional analyte. Such measurements may provide a baseline or sensitivity measurement for use in calibrating the sensor. Furthermore, baseline and / or sensitivity measurements may be used to trigger events such as digital filtering of data or suspending display of data.
Owner:DEXCOM
Analyte sensor method of making the same
A sensor and method of making the same for implantation in a body that includes a substrate with notches cut in the substrate to form a necked down region in the substrate; and at least one sensor electrode formed from one or more conductive layers. Preferably, the thickness of the substrate ranges from approximately 25μ to 350μ, but the thickness of the substrate can range from 5μ to 750μ. The sensor may be incorporated in to a sensor assembly includes a slotted needle having a slot. The notches creating the necked down region allow the substrate to slide into the slotted needle, which that has the slot narrow enough to permit passage of the necked down region. However, a non-necked down region of the substrate is prevented from pulling out of the slotted needle through the slot. The slot of the slotted needle may also permit the necked down region of the substrate to slide down the slot.
Owner:MEDTRONIC MIMIMED INC
Complexes with tridentate ligands
ActiveUS20050260449A1Electroluminescent light sourcesSolid-state devicesOrganic light emitting devicePhotochemistry
The present invention relates to organic light emitting devices (OLEDs), and more specifically to phosphorescent organic materials used in such devices. More specifically, the present invention relates to emissive phosphorescent material which comprise at least one tridentate ligand bound to a metal center, wherein at least one of the bonds to the tridentate ligand is a carbon-metal bond.
Owner:UNIVERSAL DISPLAY +1
Transcutaneous analyte sensor
The present invention relates generally to systems and methods for measuring an analyte in a host. More particularly, the present invention relates to systems and methods for transcutaneous measurement of glucose in a host.
Owner:DEXCOM
System and methods for processing analyte sensor data
Systems and methods for processing sensor analyte data, including initiating calibration, updating calibration, evaluating clinical acceptability of reference and sensor analyte data, and evaluating the quality of sensor calibration. During initial calibration, the analyte sensor data is evaluated over a period of time to determine stability of the sensor. The sensor may be calibrated using a calibration set of one or more matched sensor and reference analyte data pairs. The calibration may be updated after evaluating the calibration set for best calibration based on inclusion criteria with newly received reference analyte data. Fail-safe mechanisms are provided based on clinical acceptability of reference and analyte data and quality of sensor calibration. Algorithms provide for optimized prospective and retrospective analysis of estimated blood analyte data from an analyte sensor.
Owner:DEXCOM
Cyclodextrin polymers for carrying and releasing drugs
This invention discloses methods for preparing compositions of cyclodextrin polymers for carrying drugs and other active agents. Methods are also disclosed for preparing cyclodextrin polymer carriers that release drugs under controlled conditions. The invention also discloses methods for preparing compositions of cyclodextrin polymer carriers that are coupled to biorecognition molecules for targeting the delivery of drugs to their site of action. The advantages of the water soluble (or colloidal) cyclodextrin polymer carrier are: (1) Drugs can be used that are designed for efficacy without conjugation requirements. (2) It will allow the use of drugs designed solely for efficacy without regard for solubility. (3) Unmodified drugs can be delivered as macromolecules and released within the cell. (4) Drugs can be targeted by coupling the carrier to biorecognition molecules. (5) Synthesis methods are independent of the drug to facilitate multiple drug therapies.
Owner:KOSAK KENNETH M
Electrophoretic medium and process for the production thereof
Owner:E INK CORPORATION
Electrophoretic medium and display with improved image stability
An electrophoretic medium comprises a plurality of particles suspended in a suspending fluid, the particles being capable of moving through the fluid upon application of an electric field to the medium, the fluid having dissolved or dispersed therein a polymer having a number average molecular weight in excess of about 20,000, the polymer being essentially non-absorbing on the particles. The polymer improves the bistability of the display (i.e., the period for which a written image persist without the display being refreshed) but does not greatly increase the viscosity of the suspending fluid, thus keeping the switching time of the display within reasonable limits. The medium may be encapsulated, or may be in the form a polymer-dispersed electrophoretic medium.
Owner:E INK CORPORATION
Method and device for handling bone adhesives
A bone adhesive application device has a pliable structure with an application surface upon which a bone adhesive may be applied. The application surface has a surface energy substantially equal to or less than a surface energy of the bone adhesive to reduce adhesion between the bone adhesive and the bone adhesive application device. The bone adhesive application device may be included in a kit for repairing bone defects having a bone adhesive formed from a reactive biocompatible polyurethane material. The bone adhesive may be applied to a bone defect by positioning the pliable structure over at least a portion of the bone defect, delivering the bone adhesive to the bone defect and removing the pliable structure from the bone adhesive.
Owner:ABYRX
Ethylene/alpha-olefins block interpolymers
Embodiments of the invention provide a class of ethylene / α-olefin block interpolymers. The ethylene / α-olefin interpolymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecular weight distribution, Mw / Mn, greater than about 1.3. Preferably, the block index is from about 0.2 to about 1. In addition or alternatively, the block ethylene / α-olefin interpolymer is characterized by having at least one fraction obtained by Temperature Rising Elution Fractionation (“TREF”), wherein the fraction has a block index greater than about 0.3 and up to about 1.0 and the ethylene / α-olefin interpolymer has a molecular weight distribution, Mw / Mn, greater than about 1.3.
Owner:DOW GLOBAL TECH LLC
Transcutaneous analyte sensor
The present invention relates generally to systems and methods for measuring an analyte in a host. More particularly, the present invention relates to systems and methods for transcutaneous measurement of glucose in a host.
Owner:DEXCOM
Analyte measuring device
InactiveUS20050033132A1Additive manufacturing apparatusMicrobiological testing/measurementAnalyteCell layer
An implantable analyte-measuring device including a membrane adapted to promote vascularization and / or interfere with barrier cell layer formation. The membrane includes any combination of materials, architecture, and bioactive agents that facilitate analyte transport to provide long-term in vivo performance of the implantable analyte-measuring device.
Owner:DEXCOM
Transcutaneous analyte sensor
The present invention relates generally to systems and methods for measuring an analyte in a host. More particularly, the present invention relates to systems and methods for transcutaneous measurement of glucose in a host.
Owner:DEXCOM
Methods and apparatus for analyzing polynucleotide sequences
The present invention provides an apparatus for analyzing the sequences of polynucleotides. The apparatus comprises (a) flow cell which has at least one microfabricated multilayer elastomeric synthesis channel; and (b) an inlet port and an outlet port. The inlet port and outlet ports are in fluid communication with the flow cell for flowing fluids into and through the flow cell.
Owner:CALIFORNIA INST OF TECH
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