34results about How to "Long-term resistance" patented technology

A method of making a tissue-derived implantable medical device that includes contacting the tissue with a composition comprising at least one oxidizing agent prior to implantation of the medical device.

The present invention relates to a catalyst for preparing hydrocarbons of carbon dioxide and more particularly, the Fe—Cu—K / γ—Al2O3 catalyst prepared by impregnation which enables producing hydrocarbons in high yield for more than 2000 hours due to its excellent activity and stability.

A dried fruit or vegetable has a water content in the range 4% to 7%, and has a water activity of 0.4. Substantially all of the cells of the dried product are undamaged. An air drying process is gentle and contains four phases, during which the temperature of the drying air is maintained at 60° C. In a first phase the relative humidity of the drying air is allowed to rise to between 50% and 55%, and is maintained substantially constant at this value during a second phase by maintaining exchange of the drying air with fresh air substantially constant. In a third phase of the process, the relative humidity of the drying medium is permitted to decrease relatively rapidly until the fourth phase commences, at which stage the relative humidity is permitted to asymptotically approach a predetermined relative humidity value. During the drying process, excessive temperature differences and relative humidity differences between the temperature and relative humidity, respectively of the drying medium and the product are avoided in order to minimize damage to the cellular structure of the product.

Biaxially oriented polyester films including polyester polymer, a carbodiimide hydrolysis stabilizer, and a UV absorber are described. The polyester films have a carboxyl end group concentration of 5-20 equivalents per ton, and a haze value of 2% or less. The films exhibit superior transparency and possess stable light transmission characteristics. Methods of making the films and articles produced from the films are also described.

Disclosed is a polyimide resin composition for forming an insulation layer in a solar cell, which has an optimal rheological characteristics for screen printing and the like, which has an improved wetting property with various coating substrates, by which continuous printing of 500 times or more can be attained, with which blisters, cissing and pinholes are not generated after printing and drying or during drying or curing, which can coat a predetermined area. A method of forming an insulation layer in a solar cell and a solar cell having the insulation layer formed by this method are also disclosed. The polyimide resin composition for forming an insulation layer in a solar cell contains a mixed solvent of a first organic solvent (A) and a second organic solvent (B); and a heat-resistant polyimide resin having at least one group selected from the group consisting of alkyl groups and perfluoroalkyl groups in recurring units, and having thixotropic property, the polyimide resin being dissolved in the mixed solvent.

An apparatus is disclosed for generation of electricity using sunlight focused onto multi junction photovoltaic cells having high conversion efficiency. The apparatus includes a large paraboloidal mirror of back-silvered glass, turned to the sun throughout the day, so as to provide an intense focus. Multiple photovoltaic cells are provided at the focus. The optics are configured to distribute sunlight without significant loss into separate regions matched to the photovoltaic cell size. A secondary optical system takes strongly focused sunlight near the focus of a single paraboloidal mirror and distributes it equally between the cells, and regions of equally concentrated sunlight are matched to cell size and are substantially co-planar, so that the cells may be grouped on flat circuit cards.

A resin composition which can enhance the heat resistance and the humidity resistance of a dye possessing the maximum absorption at wavelengths in the range of 380–780 nm is provided. It is obtained by polymerizing a monomer mixture containing 5–100 wt. % of a monomer represented by the formula: CH2═CR—COOX (wherein R denotes a hydrogen atom or a methyl group and X denotes a hydrocarbon group of 4–25 carbon atoms) and / or a fluorine atom-containing unsaturated monomer and containing a dye possessing the maximum absorption at wavelengths in the range of 380–780 nm in an acryl type resin having an acid value in the range of 0–30 mgKOH / g and a hydroxyl value in the range of 0–30 mgKOH / g.

The present application relates to an olefin-based ionomer resin composition, to an encapsulant, and to an optoelectronic device. The resin composition according to the present application may be used as an encapsulant for a variety of optoelectronic devices, and may exhibit superior adhesion to the substrates of the optoelectronic devices. In addition, according to the present application, an olefin-based ionomer resin composition, which can provide good workability and economic advantages in the manufacture of devices without negatively affecting components such as encapsulated optoelectronic elements or the wired electrodes of optoelectronic devices, may be provided.

Biaxially oriented polyester films including polyester polymer, a carbodiimide hydrolysis stabilizer, and a UV absorber are described. The polyester films have a carboxyl end group concentration of 5-20 equivalents per ton, and a haze value of 2% or less. The films exhibit superior transparency and possess stable light transmission characteristics. Methods of making the films and articles produced from the films are also described.

The present invention concerns a method of genetic modification of a TGB-3 wild type viral sequence for reducing or suppressing the possible deleterious effects of the agronomic properties of a transformed plant or plant cell by said TGB-3 viral sequence, comprising the following successive steps: submitting said sequence to point mutation(s) which allow the substitution of at least one amino-acid into a different amino-acid; selecting genetically modified TGB-3 wild type viral sequences having said point mutation(s) and which are not able to promote cell-to-cell movement of a mutant virus having a dysfunctional TGB-3 wild type viral sequence, when expressed in trans from a replicon; further selecting among said genetically modified TGB-3 viral sequences, the specifically genetically modified sequence which inhibits infection with a co-inoculated wild type virus when the mutant form was expressed from a replicon, and recovering said specifically genetically modified TGB-3 viral sequence. The invention further relates to genetically modified TGB-3 viral sequences suitable to induce gene silencing. In particular hairpin constructs based on such sequences proved highly efficient to induce a PTGS mechanism and degradation of the whole of RNA2 thereby. When plants are transformed accordingly the spread of the virus in the plant is significantly reduced or blocked.

A method of forming a gas turbine part includes forming a bonding underlayer on a superalloy metal substrate, the underlayer including an intermetallic compound of aluminum, nickel, and platinum, and forming a ceramic outer layer on the alumina film formed on the bonding underlayer. The bonding underlayer essentially comprises an Ni—Pt—Al ternary system constituted by an aluminum-enriched α-NiPt type structure, in particular an Ni—Pt—Al ternary system having a composition NizPtyAlx in which z, y, and x are such that 0.05≦z≦0.40, 0.30≦y≦0.60, and 0.15≦x≦0.40.

A coating for permanent hydrophilization of surfaces and its use are provided. The coating is made of nano-scale particles having hydrophilic side chains, which can be sintered. The coating may be made of 10 to 90% inorganic structures, 5 to 70% hydrophilic side chains, and 0 to 50% organic side chains having functional groups.

Provided are a polymer electrolyte membrane for fuel cells, and a membrane electrode assembly and a fuel cell including the same. More specifically, provided is a polymer electrolyte membrane for fuel cells including a hydrocarbon-based cation exchange resin having hydrogen ion conductivity and fibrous nanoparticles having a hydrophilic group. By using the fibrous nanoparticles having a hydrophilic group in conjunction with the hydrocarbon-based cation exchange resin having hydrogen ion conductivity, it is possible to obtain a polymer electrolyte membrane for fuel cells that exhibits improved gas barrier properties and long-term resistance, without causing deterioration in performance of fuel cells, and a fuel cell including the polymer electrolyte membrane.

The present application relates to an olefin-based ionomer resin composition, to an encapsulant, and to an optoelectronic device. The resin composition according to the present application may be used as an encapsulant for a variety of optoelectronic devices, and may exhibit superior adhesion to the substrates of the optoelectronic devices. In addition, according to the present application, an olefin-based ionomer resin composition, which can provide good workability and economic advantages in the manufacture of devices without negatively affecting components such as encapsulated optoelectronic elements or the wired electrodes of optoelectronic devices, may be provided.

A transparent heat-absorbent multi-layer structure comprising, (A) a first layer, and (B) a second layer is described. The first layer (A) contains at least one organic infrared absorber (e.g., a phthalocyanine) and at least one ultraviolet absorber (e.g., a benzotriazole), and the second layer (B) contains at least one ultraviolet absorber and is substantially free of organic infrared absorbers. The first layer (A) is the only layer in the multi-layer structure that contains an organic infrared absorber. Also described is a method of preparing the multi-layer structure. Molded articles that may comprise the multi-layer structure of the present invention include glazings, such as automotive glazings.

A method of treating a surface (13) of an aluminium component and an aluminium component of this kind are described. In the method described, a PTFE coating (16) is applied to the surface (13) of the aluminium component. The method described is used for example for treating the surface (13) of a decorative trim (10) on a motor vehicle.

A vinyl chloride resin composition for powder molding includes: 100 parts by mass of (a) vinyl chloride resin particles; 0.5 parts by mass to 7 parts by mass of (b) perchloric acid-treated hydrotalcite; and 0.05 parts by mass to 5 parts by mass of (c) metal salt of fatty acid.

Provided are a polymer electrolyte membrane for fuel cells, and a membrane electrode assembly and a fuel cell including the same. More specifically, provided is a polymer electrolyte membrane for fuel cells including a hydrocarbon-based cation exchange resin having hydrogen ion conductivity and fibrous nanoparticles having a hydrophilic group. By using the fibrous nanoparticles having a hydrophilic group in conjunction with the hydrocarbon-based cation exchange resin having hydrogen ion conductivity, it is possible to obtain a polymer electrolyte membrane for fuel cells that exhibits improved gas barrier properties and long-term resistance, without causing deterioration in performance of fuel cells, and a fuel cell including the polymer electrolyte membrane.

A cartridge flow rate adjusting assembly of a hydraulic valve may include a rod having a first end and a second end, a shutter integrally formed with the first end of the rod and to slidingly positioned against a passage opening of the valve for adjusting flow. The assembly may also include an elastic element to hold the rod with the shutter in a monostable position with the opening of the valve. A plunger element may be integrally formed with the rod and interposed between the shutter and second end. The assembly may further include a conduit formed in the rod. The opening of the valve may be in fluid communication with a portion of the chamber disposed between the plunger and second end so that a pressure in the portion of the chamber is equal to a pressure in the passage opening.

Provided herein are implantable devices, such as vascular grafts and access port for hemodialysis, that include a microporous sheath layer having a corrugated outer surface, and use therefore for reducing the risk of infection or stenosis.

Provided herein are implantable devices, such as vascular grafts and access port for hemodialysis, that include a microporous sheath layer having a corrugated outer surface, and use therefore for reducing the risk of infection or stenosis.

Provided herein are implantable devices, such as vascular grafts and access port for hemodialysis, that include a microporous sheath layer having a corrugated outer surface, and use therefore for reducing the risk of infection or stenosis.

A vinyl chloride resin composition for powder molding includes: 100 parts by mass of (a) vinyl chloride resin particles; 0.5 parts by mass to 7 parts by mass of (b) perchloric acid-treated hydrotalcite; and 0.05 parts by mass to 5 parts by mass of (c) metal salt of fatty acid.

The invention provides a motor. The motor comprises a motor body, a rubber cover and an electromagnetic damper. The motor body comprises a machine shell and a motor shaft extending out of one end of the machine shell. The rubber cover is installed at one end of the machine shell. The electromagnetic damper is arranged in the rubber cover and is connected with the motor shaft. The electromagnetic damper can rotate along with the motor shaft when powered off, resistance opposite to the rotating direction of the motor shaft can be applied to the motor shaft when powered on, resistance can be provided through the electromagnetic damper to increase positioning torque, the service life is long, and the resistance can be kept for a long time.