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Patent # Description
US-5,346,847 Method for fabricating a semiconductor memory device having storage node overlap with bit line
The invention relates to a semiconductor memory device in which a bit line ring which functions as a bit line is formed at the upper and lower stage of the bit...
US-5,346,846 Method of manufacturing a highly integrated semiconductor device
This is a method of manufacturing a DRAM cell of a highly integrated semiconductor device increased in the capacity of its capacitor as several cylinder-shaped...
US-5,346,845 Process for forming a trench capacitor memory cell
A trench capacitor memory cell having a semiconductor substrate, an active region having a transistor on a portion of the semiconductor substrate, a field region...
US-5,346,844 Method for fabricating semiconductor memory device
A semiconductor memory device and fabricating method thereof including one transistor consisting of a source, a drain and a gate electrode, a bit line in contact...
US-5,346,843 Method of manufacturing a semiconductor device having a memory cell and peripheral circuit including forming a...
According to this invention, a conductive film for forming a plate electrode of a capacitor constituting a memory cell is patterned in only a memory cell region...
US-5,346,842 Method of making alternate metal/source virtual ground flash EPROM cell array
The present invention provides structure for and a method of fabricating an alternate metal/source virtual ground flash EPROM cell array. The method provides a...
US-5,346,841 Method of manufacturing semiconductor device using ion implantation
In a method of manufacturing a semiconductor device, after forming a mask for blocking ion implantation in a predetermined position on the main surface of a...
US-5,346,840 Method of producing heterojunction bipolar transistor having narrow band gap base type
A heterojunction bipolar transistor includes a tungsten layer formed on a base layer. An insulating sidewall is formed on the base layer and along a vertical...
US-5,346,839 Sidewall doping technique for SOI transistors
A method of sidewall doping is described wherein the implantation of the dopant is done after the high temperature sidewall oxidation formation. Therefore, this...
US-5,346,838 Method for fabricating an insulated gate control thyristor
An insulated gate control thyristor including an n-type base region, an insulating layer, gates formed on the insulating layer, first and second windows formed...
US-5,346,837 Method of making avalanche photodiode
A method of making an avalanche photodiode includes depositing a light-absorbing semiconductor layer of a first conductivity type on a semiconductor substrate of...
US-5,346,836 Process for forming low resistance contacts between silicide areas and upper level polysilicon interconnects
A process for forming low resistance contacts between silicide areas and upper level polysilicon interconnect layers including a specific doping technique that...
US-5,346,835 Triple diffused lateral resurf insulated gate field effect transistor compatible with process and method
A triple-diffused lateral RESURF transistor (55,57) uses a threshold voltage adjust implant (52, 54) in conjunction with a thinner gate oxide (64) to yield a...
US-5,346,834 Method for manufacturing a semiconductor device and a semiconductor memory device
An improved method for manufacturing an insulated gate field effect transistor is provided. As a first step, a silicon oxide film is grown on a silicon...
US-5,346,833 Simplified method of making active matrix liquid crystal display
An inverted staggered (bottom gate) thin film transistor (TFT) for active matrix liquid crystal display is processed with three masks. The first mask is used to...
US-5,346,832 Homogeneous amperometric immunoassay
A method is described for measuring the amount of analyte present in a sample containing the analyte using a homogeneous amperometric immunoassay. The analyte is...
US-5,346,831 Cytorich process system
A process for producing a monolayer of cytological material on an optically-clear, cationically-charged substrate, includes the steps of separating the...
US-5,346,830 Gene expression system based on regulatory elements of bateriophage P2 and satellite phage P4
An E. coli heterologous gene expression system comprising a multicopy expression vector comprising an F promoter from bacteriophage P2; and at least one copy of...
US-5,346,829 Device and method for detecting presence and extent of micro-organisms in a liquid sample or on a solid surface
A device is provided for detecting the presence of a microorganism in a liquid sample or on a solid surface that includes a cover member which is open at least...
US-5,346,828 Stereoisomeric enrichment of 2-amino-3-hydroxy-3-phenylpropionic acids using d-threonine aldolase
Mixtures of enantiomeric D,L-threo 2-amino-3-hydroxy-3-phenylpropionic acids can be stereoisomerically enriched by contacting the mixture with a D-threonine...
US-5,346,826 Process for conducting biochemical reactions
A process for growing procaryotic or eukaryotic cellular material in a tubular membrane immersed in an aqueous medium. The tubular membrane is filled with at...
US-5,346,825 Method for improving the rate of cell fusion
The following invention relates to an apparatus and a method for improving the rate of cell fusion. Cells contained in chambers are prevented from adhering to...
US-5,346,824 DNA encoding variants of tissue plasminogen activators and expression vectors and hosts thereof
A fibrinolytically active amino acid sequence variant of a plasminogen activator is prepared that has one or more glycosylation sites in regions that are not...
US-5,346,823 Subtilisin modifications to enhance oxidative stability
There are provided methods for making a mutant Bacillus subtilisin having altered oxidative stability, the methods comprising obtaining DNA fragment consisting...
US-5,346,822 Alkaline proteases from Bacillus pumilus
Alkaline Bacillus proteases, their use and a method for producing these proteases are described. These are in particular Bacillus proteases from Bacillus pumilus...
US-5,346,821 Thermostable protease from Staphylothermus
This invention is within the field of thermostable proteases. More specifically, the present invention relates to a thermosetable protease from Staphylothermus...
US-5,346,820 Thermostable protease from Thermobacteroides
This invention is within the field of thermostable proteases. More specifically, the present invention relates to a thermostable protease from Thermobacteroides...
US-5,346,819 Glycerol dehydrogenase, process for its production and its use
Pyrroquinoline quinone-dependent glycerol dehydrogenase is provided which requires no surfactant for its solubilization and stabilization. The glycerol...
US-5,346,818 Method for the conjugative transfer of mobilizable vectors for E. coli to gram-positive bacteria and vectors...
The present invention relates to a method of effecting the conjugative transfer of a mobilizable vector from cells of an E. coli mobilizer strain to...
US-5,346,817 Method for producing a microbial polyester
An improved method for producing a microbial polyester comprising 3-hydroxybutyrate monomer units is disclosed, in which a strain belonging to the genus...
US-5,346,816 Enzymatic process for the enantioselective preparation of optically active cyanohydrins
Enantioselective process for the preparation of the S enantiomer of an optically active cyanohydrin by reacting an aldehyde or an asymmetric ketone with a...
US-5,346,815 Sodium ion binding proteins
The present invention relates to the cloning and expression of a sodium ion binding protein. In particular, the invention relates to cloning and expression of a...
US-5,346,814 Method of detecting cell response to cell-damaging energy
A method of assessing a cell's susceptibility to cell-damaging energy, such as ionizing radiation and heat, is disclosed. The method is based on measurable...
US-5,346,813 Method of screening for small cell lung carcinoma
In order to detect a small cell lung carcinoma, synaptophysin, its oligomers and/or its fragments are determined in body fluids.
US-5,346,812 Teratogen assay
A method of screening a test substance for potential teratogenicity without employing vertebrate animals. In a representative embodiment, Drosophila primary...
US-5,346,811 Method and products for human papillomavirus detection
The present invention provides a Human Papillomavirus (HPV) detection method, the results capable of being read on specimen slides through in situ hybridization...
US-5,346,810 Silver halide photographic material
Disclosed is a silver halide photographic material having a hydrophilic colloid layer which contains a dispersion of solid fine grains of an oxonole dye which...
US-5,346,809 Rapid-access method of forming a stabilized silver halide color image
A method of photographic color image formation is disclosed. The method gives a color photographic image having high preservability under a condition with a...
US-5,346,808 Positive image formation utilizing o-quinonediazide composition including selected phenolic derivatives of ...
A radiation-sensitive composition comprising an admixture in a solvent of: at least one alkali-soluble binder resin, at least one photoactive compound and an...
US-5,346,806 Acid-cleavable radiation-sensitive compounds, radiation-sensitive mixture containing these compounds, and...
Ligomeric sulfonic acid derivatives having repeating units of the formula I ##STR1## in which R.sup.1 is an alkyl, haloalkyl or aryl radical, R.sup.2 is a...
US-5,346,805 Photopolymerizable composition
A photopolymerizable composition comprises a polymerizable compound having at least one ethylenically unsaturated double bond and a photopolymerization...
US-5,346,804 Acid-cleavable radiation-sensitive compounds, positive working radiation-sensitive mixture containing theses...
A radiation-sensitive mixture which contains compounds of the formula I which generate under irradiation sulfonic acids and are cleavable by the latter ...
US-5,346,803 Photoresist composition comprising a copolymer having a di-t-butyl fumarate
A photoresist composition comprises a polymer of the following formula (1): ##STR1## wherein R.sup.1 is a substituted or unsubstituted aromatic group or ...
US-5,346,802 Process for laser-marking thermoplastic articles
Laser-marks (such as indicia, characters, symbols, patterns and the like) of exceptionally clear and thambiguous quality may be inscribed on the surface of an...
US-5,346,801 Method of forming images
An image forming process of an image forming material comprising a support and provided thereon, a photosensitive layer and a covering layer in that order...
US-5,346,800 Image-receiving element for diffusion transfer photographic film products
An image-receiving element for use in photographic diffusion transfer film units of the type wherein the image-receiving element, which includes an ...
US-5,346,799 Novolak resins and their use in radiation-sensitive compositions wherein the novolak resins are made by...
An alkali-soluble novolak binder resin made by the condensation reaction of a mixture of phenolic monomers with at least one aldehyde source, said phenolic...
US-5,346,798 Suspension polymerization method and toner for electrophotography obtained therewith
The present invention provides a suspension polymerization method which provides polymerized particles exhibiting excellent charging properties and a toner...
US-5,346,797 Toner processes
A process for the preparation of toner compositions comprising (i) preparing a pigment dispersion in a solvent, which dispersion is comprised of a pigment, an ionic...
US-5,346,796 Electrically stabilized liquid toners
A homogeneous liquid composition, for use in the preparation of liquid toners containing at least one charge director and in which the electrical properties of...
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