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Patent # Description
US-4,839,023 Once-through coking with hydrotreating and fluid catalytic cracking
Disclosed is a process for converting heavy hydrocarbonaceous feedstock to more valuable products. The feedstock is introduced into a coking unit containing a...
US-4,839,022 Method and apparatus for treating oil-water-solids sludges and refinery waste streams
Heavy hydrocarbon containing sludges such as refinery waste streams, oil storage tank sludges and marine oil tanker ballast are treated by passing the sludges in...
US-4,839,021 Treatment of petroleum derived organic sludges and oil residues
A method of producing pyrolytic oils suitable for petroleum reprocessing is disclosed. According to the invention, petroleum derived organic sludges or oil...
US-4,839,020 Gas sensor
A gas sensor includes a multi-layered solid-state pH electrode and a reference electrode coated with a gas-sensitive layer (solid-state or gel-state) sensitive...
US-4,839,019 Oxygen sensor
A limited current type oxygen sensor comprises an oxygen ion conductive solid electrolyte, a detection element including a positive electrode and a negative...
US-4,839,018 Air/fuel ratio detector
An A/F detector having an output which is unambiguous over the entire operating region of the device, including both fuel-rich and fuel-lean regions. The...
US-4,839,017 Potential-causing membrane for immunosensor
The present invention relates to a potential-causing membrane for use in unosensors, which comprises an electrically-conductive film being prepared by...
US-4,839,016 Curved surface cassette/gel system
A curved-surface cassette/gel system is disclosed in which the walls of a cassette and the major surfaces of a slab-shaped electrophoresis gel in the cassette...
US-4,839,015 Hydrogen-evolution electrode and a method of producing the same
A hydrogen-evolution electrode comprising an electrically conductive substrate having thereon a coating comprising a chromium component, a titanium component and...
US-4,839,014 Cleaner assembly, humidifier, gas alarm and detoxification system
A single assembly of an air processing structure member for air cleaning and humidifying, and an electrochemical reactor which activates a gas alarm for human...
US-4,839,013 Electrode assembly for gas-forming electrolyzers
In an electrode assembly for gas-forming electrolyzers, particularly for monopolar membrane electrolyzers comprising vertical plate electrodes and opposite...
US-4,839,012 Antisurge outlet apparatus for use in electrolytic cells
The invention is a dampening device for use in a vertically disposed electrochemical cell unit of the type at least having: (a) a peripheral flange which defines...
US-4,839,011 Arc coating of refractory metal compounds
A process for arc coating alloy films on objects using a cathode or target having the two materials from which the alloy is to be formed. An alloy nitride...
US-4,839,010 Forming an antireflective coating for VLSI metallization
Method of forming an antireflective coating on a face of a semiconductor which includes forming a metal oxide layer on the face, heating the oxide layer to a...
US-4,839,009 NaCl: on color center laser
A powerful and stable color center laser is provided by additively colored NaCl:OH.sup.- crystals. The OH.sup.- impurity is the key dopant for creating color...
US-4,839,008 Homogeneous catalytic photochemical functionalization of alkanes by polyoxometalates
A method for functionalizing alkanes, which comprises: (a) combining one or a mixture of alkanes with a photochemically active polyoxometalate compound to obtain...
US-4,839,007 Method for purifying industrial waste water by direct oxidation of the organic pollutants
A method for purifying industrial waste water by direct oxidation of the organic pollutants in an electrochemical cell the anode of which contains, in its active...
US-4,839,006 Surface treatment process for carbon fibers
A process for surface treatment of carbon fiber of which modulus is not lower than 30 ton/mm.sup.2, in two steps, which comprises the steps of subjecting a...
US-4,839,005 Electrolytic-abrasive polishing method of aluminum surface
In a method of fabricating an aluminum surface for applying mirror-smooth fabrication to the surface of aluminum or aluminum alloy by combining an electrolytic...
US-4,839,004 Method and an apparatus for cold sterilization of surgical instruments, in particular dental surgery instruments
The method and apparatus are designed to permit of sterilizing surgical instruments by inducing electrolysis in a water solution having pH-value of between 5 and...
US-4,839,003 Process for producing alkali hydroxide, chlorine and hydrogen by the electrolysis of an aqueous alkali chloride...
Alkali hydroxide, chlorine and hydrogen are produced from an aqueous alkali chloride solution by membrane electrolysis. A high-NaCl solid salt, which contains...
US-4,839,002 Method and capacitive discharge apparatus for aluminum anodizing
An improved electrical power control apparatus and method for use in an aluminum anodizing system includes a pulsed DC power supply and an automatic switchable...
US-4,839,001 Orifice plate and method of fabrication
An orifice plate and method of fabrication are provided in which the plate is constructed of two electroformed layers of metal. Onto a conductive mandrel a first...
US-4,839,000 Buffer compensation in enzyme-modified ion sensitive devices
A system suitable for determining the concentration of an enzyme's substrate in a solution 21 containing a buffer comprises two ion-sensitive devices 22, 23,...
US-4,838,999 Method for the electrochemical analysis of electrolytic components in a sample liquid
The present invention provides a device for the electrochemical analysis of electrolytic components in a sample liquid (58), especially of a body fluid, with a...
US-4,838,998 Process for separating sulfuric acid and carboxylic acids
The amount of water required to effect efficient separation of a mixture of sulfuric acid and carboxylic acids by distillation, is reduced, by diluting the...
US-4,838,997 Deodorization process for triglyceride oil
Process for deodorizing triglyceride oil comprises passing dry steam through the oil, the oil being at a temperature between 160.degree. and 280.degree. C. and...
US-4,838,996 Hydrofoil blade for producing turbulence
A hydrofoil blade for use in a paper making machine wherein a plurality of variously angulated surfaces is provided for producing turbulence having controllable...
US-4,838,995 Process for bleaching cellulose pulp, a plant for preforming said process, and a screw press for use with said...
For bleaching cellulose pulp or a fraction thereof, e.g. reject pulp, the cellulose pulp or fraction, having a concentration of 0.5-10%, preferably 3-6%, is...
US-4,838,994 Method for structuring a copper and/or permalloy layer by means of dry etching
A copper and/or permalloy layer is structured by means of dry etching. A layer of tantalum is applied as a mask to a layer to be structured, and a photoresist...
US-4,838,993 Method of fabricating MOS field effect transistor
A novel MOS field effect transistor which operates at high speed and with low power consumption has impurity doped source and drain regions deposited at...
US-4,838,992 Method of etching aluminum alloys in semi-conductor wafers
A plasma etching technique for producing tapered side walls on the desired Aluminum conductor pattern is described. This involves forming a resist pattern on the...
US-4,838,991 Process for defining organic sidewall structures
A conformal organic layer is used to define spacers on the sidewalls of an organic mandrel. The organic layer (e.g., parylene) can be deposited at low...
US-4,838,990 Method for plasma etching tungsten
A process wherein a thin film metal (e.g. tungsten) is anisotropically etched under plasma bombardment conditions by using a feed gas mixture which includes a...
US-4,838,989 Laser-driven fusion etching process
The surfaces of solid ionic substrates are etched by a radiation-driven chemical reaction. The process involves exposing an ionic substrate coated with a layer...
US-4,838,988 Process for obtaining crystals of intermetallic compounds, in particular isolated monocrystals, by cooling...
The invention relates to a process for obtaining crystals of intermetallic compounds, in particular isolated monocrystals, by cooling alloys in the molten...
US-4,838,987 Method of etching a semiconductor body
A method of etching a semiconductor body having first (6) and second opposed surfaces and having a first semiconductor region (1) adjacent the first surface (6)...
US-4,838,986 Tool for applying body side molding strip
A tool for applying a molding strip on automobile and the like wherein the strip has a pressure sensitive adhesive or spring loaded clips thereon comprising a...
US-4,838,985 Apparatus for coating and laminating sheet materials
An apparatus for feeding, coating, varnishing, plasticizing, laminating and cutting sheet materials including those used in the manufacture of cartons and boxes...
US-4,838,984 Method for etching films of mercury-cadmium-telluride and zinc sulfid
A film of mercury-cadmium-telluride (HgCdTe) or zinc sulfide (ZnS) is anisotropically etched utilizing a remote plasma and an in situ plasma utilizing a gas...
US-4,838,983 Gas treatment apparatus and method
Substrates such as semiconductor wafers are treated with a gas by advancing the substrate along a path, preferably a circular path through the gas while...
US-4,838,982 Patch applicator vacuum cylinder for web material
An applicator for applying patches to a traveling web, such as in a bag forming machine, includes a vacuum cylinder with an outer perforated sleeve, an inner...
US-4,838,981 Device for sealing envelopes made of plastic
The device comprises two paddles (1), each one of the paddles being fixed to a bar (3), the ends of which are located within a cam path (8) formed on the surface...
US-4,838,980 Method and apparatus for introducing and joining diaphragms in slotted walls
A method and apparatus of introducing and joining diaphragms in slotted walls. The slotted inner connecting pipe of one diaphragm is introduced into the slotted...
US-4,838,979 Apparatus for processing substrate surface
An improved processing apparatus for a substrate surface, which provides uniform and smooth air flows A within the processing chamber 26, by which an even thin...
US-4,838,978 Dry etching apparatus
A dry etching apparatus which includes an anode located at an upper side and a cathode located at a lower side which face each other in a vacuum vessel. A...
US-4,838,977 Process and apparatus for making plastic carrying bags or sacks
To make plastic carrying bags or sacks, sections are cut or are severed by hot wire welding from a gusseted tubular film by a formation of transverse seam welds...
US-4,838,976 Method for manufacturing a steering wheel
A solvent tank is provided for enclosing an organic liquid solvent and an organic solvent vapor layer therein, an adhesive tank for enclosing an adhesive, a...
US-4,838,975 Arrangement for pressure adjustment in a veneer assemblying machine
An arrangement for pressure adjustment in a veneer assembling machine has at least two conveying units which include alternatingly raisable and lowerable heating...
US-4,838,974 Method of forming multilayer composite panels with specular surface
Thermoplastic panels are formed and laminated together simultaneously by using a roller to provide vertical pressure to two heated thermoplastic sheets, one a...
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