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Patent # Description
US-4,904,319 Method of ultrasonic splicing tire tread strip edges
A method for splicing beveled edges of a relatively thick tire tread strip free of internal reinforcing cords by ultrasonic energy. A contact face of a sonic...
US-4,904,318 Method for manufacture of diaphragm and apparatus therefor
A method and apparatus for the manufacture of a diaphragm from a fabric-containing sheet (material). The fabric-containing sheet produced by an extrusion molding...
US-4,904,317 Erosion resistant Ag-SnO.sub.2 electrical contact material
An erosion resistant electrical contact material and a method of making the material is described. The material comprises from about 10 to about 20 volume...
US-4,904,316 Products with improved wear resistance/iron nitride layer
An epsilon iron nitride surface layer of high surface wear resistance is formed on a steel component by gas nitriding or nitrocarburizing and, according to the...
US-4,904,315 Method for improving magnesium oxide steel coatings using non-aqueous solvents
This invention is directed to non-aqueous magnesium oxide slurries and the use thereof to coat silicon steels prior to high temperature annealing.
US-4,904,314 Method of refining magnetic domains of barrier-coated electrical steels using metallic contaminants
A method is provided for domain refinement of final texture annealed grain-oriented silicon steels by applying to the base coating a barrier coating for sealing...
US-4,904,313 Method of producing stable magnetic domain refinement of electrical steels by metallic contaminants
A method is provided for refining the magnetic domain wall spacing of grain-oriented silicon steel sheet having an insulation base coating thereon by removing...
US-4,904,312 Method of electrolytically etching linear impressions in electrical steel
This invention relates to a method of enhancing linear impressions formed in the surface of grain oriented electrical steel strip, by electrolytically etching...
US-4,904,311 Metallic powder and a paste made from it, and a metallic powder manufacture device
A metallic powder which is formed by the extrusion, from multiple microscopic nozzle holes, of molten metal, which while falling and cooling changes shape from a...
US-4,904,310 Method of generating a metal vapor in a metal vapor laser
A method of irradiating a metal piece (5) with a laser beam for generating a metal vapor (11) required for a metal vapor laser to oscillate. The method makes it...
US-4,904,309 Chemical cleaning method of the interior of polymerization reactor
A chemical cleaning method for removing scales and other substances deposited on the interior of a polymerization reactor used in emulsion polymerization or...
US-4,904,308 Adjustable smoker's mouthpiece
A ventilated smoker's mouthpiece, e.g. for a cigarette, in which the degree of ventilation is readily adjustable. The mouthpiece includes a ventilating outer...
US-4,904,307 Method for making branched cyclodextrins and product produced thereby
Branched cyclodextrins are produced by the pyrolysis of crystalline cyclodextrins. The temperature range is 135.degree. C. to 220.degree. C. using equipment...
US-4,904,306 Separation and purification of gamma cyclodextrin
Gamma cyclodextrin is separated and purified by a process that first precipitates the gamma cyclodextrin from solution using a gamma cyclodextrin complexant...
US-4,904,305 Novel asphaltic composition
A novel asphaltic composition consisting of from about 2% to about 10% w/w of a hydrocracking residue which is the distillation residue obtained from a...
US-4,904,304 Chemical grout for ground injection and method for accretion
A chemical grout for ground injection which is prepared by incorporating from 0.1 to 4.5 parts by weight of sulfamic acid and from 0.2 to 10.0 parts by weight of...
US-4,904,303 Water-dilutable printing ink binder system and use thereof as printing ink
Water-dilutable printing ink binder system based on a binder in the form of a clear, dilute, ammoniacal or amine-containing solution, the binder being a product...
US-4,904,302 Roller in rotary compressor and method for producing the same
Disclosed is a roller for use in a rotary compressor, which roller comprising a sintered body consisting essentially of 0.5-2.0% by weight of C, 1.0-5.0% by...
US-4,904,301 5-Fluoromethyl-1,2,4-triazolo(1,5-A)-pyrimidines
N-(Substituted-phenyl)-5-fluoromethyl-1,2,4-triazolo[1,5-a]pyrimidine-2-sul fonamides are prepared from ...
US-4,904,300 Imidazole derivatives
Imidazole derivatives of formula I ##STR1## and the stereochemically isomeric forms thereof, and salts thereof, have useful herbicidal properties. The...
US-4,904,299 Herbicidal N-hydroxy-N'-sulfonylguanidines
Novel N-hydroxy-N'-sulfonylguanidine compounds are described which possess significant herbicidal and plant growth regulant activity for control of undesired...
US-4,904,298 1-Hydroxyethyl-azole compounds and agricultural compositions
New 1-hydroxyethyl-azole derivatives of the general formula ##STR1## in which R represents an alkyl radical, an optionally substituted cycloalkyl radical or...
US-4,904,297 Combating fungi with substituted 1-azolyl-butan-2-ones and -2-ols
Substituted 1-azolyl-but-2-ones and -2-ols of the formula ##STR1## in which B is --CO-- or --CH (OH)-- Az represents a 1,2,4-triazol-l-yl or -4-yl or...
US-4,904,296 Fungicidal and plant growth-regulating novel substituted 1-hydroxyalkyl-azolyl derivatives
Compounds which are substituted 1-hydroxyalkylazolyl derivatives of the general formula ##STR1## in which A represents a nitrogen atom or a CH group, B...
US-4,904,295 Selective weed control in cereal grain crops
A method of selectively controlling weeds such as wild oats and foxtail in certain cereal grain crops, such as wheat and barley, is described which comprises...
US-4,904,294 Belt assisted press bending
A heat softened glass sheet is conveyed directly from a heating furnace onto an advancing conveyor belt which is supported on a scissor table. The glass sheet is...
US-4,904,293 Production of high silica glass microspheres
Production of microspheres having a very high silica content produced from a starting glass whose silica content is less than 80% by weight, with the remainder...
US-4,904,292 Spherulizing furnace and process of manufacturing vitreous beads
A spherulizing furnace for manufacturing vitreous beads includes feed means for delivering particulate feedstock, a spherulizing zone in which the feedstock...
US-4,904,291 Process for the manufacture of open porous sintered bodies being prepronderantly composed of glass ceramics
A process for manufacturing open porous sintered bodies with large open pore volume and defined pore diameters and which at least predominantly consist of...
US-4,904,290 Cobalt based alloys with critical carbon content for making and using in glass fiber production
Cobalt based alloys which include chromium, nickel, tungsten, tantalum, zirconium, carbon and boron are provided which are suitable for forming spinners to be...
US-4,904,289 Deodorizing apparatus
A deodorizing apparatus includes a case having an air inlet and an air outlet, an ozone generator of the discharge type disposed in an air flow channel between...
US-4,904,288 Filter element for circulating air systems
A reusable air filter assembly for use in forced air heating and cooling systems includes an inlet stage filter medium consisting of a single layer of fabric...
US-4,904,287 Compact ceramic tube filter array high-temperature gas filtration
Disclosed is a hot gas filter system employing ceramic tube filters, or candles, in which the ratio of filter surface to system cross-section can exceed 50. The...
US-4,904,286 Cyclone separator having water-steam cooled walls
A cyclone separator in which an outer cylinder is formed by a plurality of vertically-extending, spaced, parallel tubes and extends around an inner pipe in a...
US-4,904,285 Deaerator for particulates
A deaerator for particulates capable of increasing the bulk density of the particles to reduce the volume of the particulates. In the deaerator, a perforated...
US-4,904,284 Centrifugal type gas-liquid separator
An improved centrifugal type gas-liquid separator is composed of a rotatable hollow disc-shaped gas-liquid separation chamber having a separated liquid outlet on...
US-4,904,283 Enhanced fabric filtration through controlled electrostatically augmented dust deposition
A simple electrostatically enhanced fabric filtration system for removing fine particulate matter or dust entrained in a gas flow, has a single, elongate,...
US-4,904,282 Filter apparatus and method of operating same
An apparatus for filtering air containing textile impurities, comprises an air-permeable, fixed collecting device preferably of accordion shape, for separating...
US-4,904,281 Method and apparatus for separation of solids from a gaseous stream
A method for separating particulate solids from a gaseous stream laden with the solids includes discharging the gaseous stream with a swirling movement...
US-4,904,280 Conditioning block for sharpening stones
A product and process for reconditioning abrasive stones used to sharpen metal tools such as woodworking tools. The product is a slab made up of abrasive grain...
US-4,904,279 Hydrocarbon fuel composition containing carbonate additive
Hydrocarbon fuels heavier than gasoline, especially diesel fuel compositions, contain carbonate additives, preferably non-aromatic, metals-free carbonates, to...
US-4,904,278 Modified succinimides
Disclosed are additives which are useful as dispersants in lubricating oils, gasolines, marine crankcase oils and hydraulic oils. In particular, disclosed are...
US-4,904,277 Rehydrating inhibitors for preparation of high-solids concentration low rank coal slurries
A method for preparing a high-solids concentration low rank coal slurry by dehydrating the coal, treating the dehydrated coal with a rehydrating inhibitor such...
US-4,904,276 Nitroaminophenols, the process for preparation thereof and their use in dyeing keratinous fibres, and new...
New nitroaminophenols, the process for preparation thereof and their use in dyeing keratinous fibres, and new intermediate nitroaminobenzenes and their use in...
US-4,904,275 Hair dyeing composition based on oxidation dyes and bio-heteropolysaccharides
The invention relates to a dyeing composition for keratinous fibres, and especially for human hair, containing at least one oxidation dye precursor and at least...
US-4,904,274 Coloring hair with aminoalkyl-or aminohydroxyalkyl-catechols
A process for coloring hair in which a functional metal ion and aminoalkyl or aminohydroxyalkyl catechols are used in combination or applied sequentially to dye...
US-4,904,273 Foam treatment
The invention teaches the treatment of a porous substrate such as a textile material by treating the substrate with a foam, the substrate prior to treatment...
US-4,904,272 Crosslinked polyurethane medical prosthesis
A fibrous polyurethane medical prosthesis wherein the polyurethane has been at least partially crosslinked with a haloalkylisocyanate.
US-4,904,271 Finned phalangeal device
A finned phalangeal device includes a plurality of spacially disposed, phalanges. On each phalange, a longitudinal flexible fin element is attached on the back...
US-4,904,270 Hip joint for prosthetic leg
A hip joint for a prosthetic leg has first and second members pivoted together by a pin through the first member. The pin includes an outer spool-like spindle...
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