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2469 results about "Inorganic compound" patented technology

An inorganic compound is typically a chemical compound that lacks C-H bonds, that is, a compound that is not an organic compound, but the distinction is not defined or even of particular interest. Inorganic compounds comprise most of the Earth's crust, although the compositions of the deep mantle remain active areas of investigation.

Organic devices, organic electroluminescent devices, organic solar cells, organic FET structures and production method of organic devices

An organic device has a hole current-electron current conversion layer which comprises a laminate of an electron transportation section and a hole transportation section. The electron transportation section includes a charge transfer complex formed upon an oxidation-reduction reaction between a reduced low work function metal and an electron-accepting organic compound, the reduced metal being produced upon an in-situ thermal reduction reaction caused upon contact, through lamination or mixing by co-deposition, of an organic metal complex compound or an inorganic compound containing at least one metal ion selected from ions of low work function metals having a work function of not more than 4.0 eV, and a thermally reducible metal capable of reducing a metal ion contained in the organic metal complex compound or the inorganic compound in vacuum to the corresponding metal state, and the electron transportation section having the electron-accepting organic compound in the state of radical anions. The hole transportation section includes an organic compound having an ionization potential of less than 5.7 eV and an electron-donating property and an inorganic or organic substance capable of forming a charge transfer complex upon its oxidation-reduction reaction with the organic compound, the organic compound and the inorganic or organic substance being contacted through lamination or mixing, and the electron-donating organic compound is in the state of radical cations.
Owner:MITSUBISHI HEAVY IND LTD +1

Barriers for polymer-coated implantable medical devices and methods for making the same

InactiveUS6953560B1Reduce and prevent and inflammationReduce and prevent proliferationStentsSurgeryHafniumPt element
An implantable medical device and methods for making the implantable medical device are disclosed. The implantable medical device includes a substrate. At least a portion of the substrate is coated with a first layer including a polymer containing a drug. A barrier overlies the first layer. The barrier significantly reduces the rate of release of the drug from the polymer, thereby sustaining release of the drug from the medical device for a longer time.The barrier may be a homogeneous layer overlying the first layer, or a number of discrete deposits over the first layer. Alternatively, the barrier may be intermixed with an outer portion of the first layer. The barrier material is biocompatible, and typically has a thickness ranging from about 50 angstroms to about 20,000 microns. Suitable materials for the barrier include, but are not limited to, inorganic compounds, such as inorganic silicides, oxides, nitrides, carbides, as well as pure metals such as aluminum, chromium, gold, hafnium, iridium, niobium, palladium, platinum, tantalum, titanium, tungsten, zirconium, and alloys of these metals. The barriers disclosed may be applied to the first layer by several techniques, depending on the material being applied. Exemplary deposition techniques include physical vapor deposition, alkoxide hydrolysis, and electroless plating.The implantable device may be a stent or a graft, among other possibilities.
Owner:ABBOTT CARDIOVASCULAR

Method for measuring substance and testing piece

A method of measuring an analyte, comprising a step of measuring a detectable substance by using a reaction system including a formation reaction of the detectable substance based on a chemical reaction of the analyte contained in a sample, wherein a layered inorganic compound is caused to exist in the reaction system including the formation reaction of the detectable substance, whereby high-sensitivity measurement is made possible, the detectable substance can be stabilized to improve accuracy of the measurement, a rate of a chemical reaction is increased to enable quick measurement, and high-sensitivity measurement is made possible even in a reaction system which forms an insoluble substance. Also, it can be provided an analytical testing piece for measuring an analyte, by measuring a detectable substance by using a reaction system including a formation reaction of the detectable substance based on a chemical reaction of the analyte contained in a sample, wherein the testing piece comprises at least one test portion having a detection portion for detecting the detectable substance and contains a layered inorganic compound at least in the test portion, whereby diffusion and elution of a dyestuff or the like is prevented, more sensitive and accurate simple analysis is made possible, and easy handling is possible.
Owner:ARKRAY INC

Microfluidic apparatus and method for synthesis of molecular imaging probes

The invention provides a method and apparatus for preparation of radiochemicals, such as PET molecular imaging probes, wherein the reaction step or steps that couple the radioactive isotope to an organic or inorganic compound to form a positron-emitting molecular imaging probe are performed in a microfluidic environment. The method for synthesizing a radiochemical in a microfluidic environment comprises: i) providing a micro reactor comprising a first inlet port, a second inlet port, an outlet port, and at least one microchannel in fluid communication with the first and second inlet ports and the outlet port; ii) introducing a reactive precursor into the first inlet port of the micro reactor, the reactive precursor adapted for reaction with a radioactive isotope to form a radiochemical; iii) introducing a solution comprising a radioactive isotope into the second inlet port of the micro reactor; iv) contacting the reactive precursor with the isotope-containing solution in the microchannel of the micro reactor; v) reacting the reactive precursor with the isotope-containing solution as the reactive precursor and isotope-containing solution flow through the microchannel of the micro reactor, the reacting step resulting in formation of a radiochemical; and vi) collecting the radiochemical from the outlet port of the micro reactor.
Owner:MOLECULAR TECH
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