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Patent # Description
US-4,497,698 Lanthanum nickelate perovskite-type oxide for the anodic oxygen evolution catalyst
An improved Perovskite-type oxide for electrocatalytic oxygen evolution from alkaline electrolyte comprising lanthanum nickelate is disclosed, together with an...
US-4,497,697 Electrolytic preparation of 3,6-dichloropicolinic acid
The rate of production of 3,6-dichloropicolinic acid by reduction of tetrachloropicolinic acid in basic aqueous solution in a given cell can be considerably...
US-4,497,696 Gold-plating electrolyte and process for preparing same
A gold-plating electrolyte which has the following composition, g/l: The electrolyte can also incorporate additives--ethylenediaminetetraacetocopper...
US-4,497,695 Plating current automatic switching method and apparatus
A method and apparatus for automatically changing a plating thickness in an electrical plating line in which unwanted over-plating is prevented. The plating line...
US-4,497,694 Method of manufacturing abrasive articles
Abrasive articles, such as finger nail files, are made by stamping a metal sheet to form a blank with a header strip having a plurality of spaced fingers...
US-4,497,693 Method for plating an article and the apparatus therefor
A method and apparatus for plating an article having a portion that needs no plating at a high speed including as main components a chuck for chucking the...
US-4,497,692 Laser-enhanced jet-plating and jet-etching: high-speed maskless patterning method
This metal deposition/material removal technique modifies free-standing or submerged jet plating with an electromagnetic energy beam such as an intense laser...
US-4,497,691 Stack cooler for dry quenching of coke
The stack cooler comprises a substantially vertical circular chamber with walls from refractory blocks or bricks. The chamber comprises an upper prechamber and...
US-4,497,690 Distillation
A still comprising, in one aspect, a housing, a heating coil located inside the housing, a condensing coil located inside the housing and above the heating coil...
US-4,497,689 Heat engineering apparatus for carrying out thermodynamical processes comprising a pair of mutually opposite...
Apparatus for carrying out thermodynamic processes in which a work medium undergoes mutually opposite phase transitions. The apparatus comprises casings...
US-4,497,688 Oil scavenging material
A material for scavenging oil slick and/or oleaginous fluids comprising paper-machine sludge combined in the presence of water with a hydraulic cement and dried.
US-4,497,687 Aqueous process for etching cooper and other metals
Nitrogen dioxide process for etching copper and other metals, using water as a catalyst/solvent. In one disclosed embodiment, a film of water is formed on the...
US-4,497,686 Fine-line die and method of making same
A method for fabricating a precision die having a line-and-space array by chemical milling the working face of an etchable workpiece to form a plurality of...
US-4,497,685 Small area high value resistor with greatly reduced parasitic capacitance
The invention provides a unique sub-micron dimensioned resistor and methods of making the same, wherein hundreds of such resistors may be fabricated on a single...
US-4,497,684 Lift-off process for depositing metal on a substrate
An improved method is set out for depositing a metal on a substrate to form a metal pattern. The method is particularly useful for the deposition of metal grids...
US-4,497,683 Process for producing dielectrically isolated silicon devices
Dielectrically isolated semiconductor devices are producible through a relatively convenient fabrication procedure. In this fabrication procedure, a substrate...
US-4,497,682 Hand-held electrically selectable labeler
There is disclosed a hand-held labeler having a print head with electrically selectable printing elements for printing and applying pressure sensitive labels....
US-4,497,681 Apparatus and method for applying heat shrinkable conical plastic labels on containers
Apparatus and methods of applying a preformed conical heat-shrinkable plastic label to a container is disclosed to provide a tamper resistant cover, the label...
US-4,497,679 Method of forming plastic envelopes
The invention includes apparatus for and process of forming a plurality of plastic mounting envelopes from continuous plastic sheet material through cutting the...
US-4,497,678 Method of making a laminate construction
Disclosed is an extruded laminate and a method for making the laminate. Protective and decorative molding and trim strips for automotive vehicles and the like...
US-4,497,677 Method for manufacturing ceramic substrate
A method for manufacturing a ceramic substrate, featured by pressing of the green sheet to reduce its dimensional change with time is provided. After this...
US-4,497,676 Gunpowder substituted composition and method
A gunpowder substitute which is capable of also being molded into a consumable cartridge or cartridge case comprising between 50% to 75% by weight of an...
US-4,497,675 Process for the manufacture of substrates from carbon-coated silicon dioxide fabric that can be used for...
The invention concerns a process for the manufacture of substrates from carbon-coated SiO.sub.2 fabric that can be used for large-surface silicon bodies, in...
US-4,497,674 Method and apparatus for continuously annealing steel sheet
Steel strip is continuously annealed while successively travelling through a heating, soaking, primary cooling, overaging and secondary cooling zone in an...
US-4,497,673 Method of manufacturing double-walled tube
A double-walled tube is produced by providing an inner core tube and an outer casing tube, wherein the outer diameter of the inner core tube is smaller than the...
US-4,497,672 Method for the preparation of a rare earth-cobalt based permanent magnet
The permanet magnet composed of a rare earth element, e.g. samarium, and cobalt together with iron, copper and some other additive elements and prepared...
US-4,497,671 Processed ferrous metal and process of production
Processed low carbon iron metal and process and apparatus for its production, using high water-vapordecarburization, are provided. The iron metal product is...
US-4,497,670 Rotor shaft and manufacturing method thereof
A rotor shaft for steam turbines has a journal portion to be supported by a bearing. The journal portion is provided with a sleeve for a bearing made of an alloy...
US-4,497,669 Process for making alloys having coarse, elongated grain structure
An alloy made by water atomizing the charge component into powder, extruding the powder, hot rolling the powder and heat treating the product. The alloy displays...
US-4,497,668 Phosphating process for zinc-plated metals
A process for phosphating zinc-plated metal articles, particularly electrolytically zinc-plated steel sheets, by treatment thereof for a short period with an...
US-4,497,667 Pretreatment compositions for metals
Solid and aqueous compositions containing a Jernstedt salt, a phosphate, a polyphosphate, a silicate, a carbonate, a hydroxide, a sequestrant, an anionic...
US-4,497,666 Process for the treatment of phosphatized metal surfaces with a composition comprising trivalent titanium
The invention relates to a composition and a process for the treatment, more precisely the "post-treatment" of phosphatized metal surfaces, particularly when the...
US-4,497,665 Method for manufacturing semiconductor device
In a method of fabricating a semiconductor device having a V-groove insulating isolation structure with polycrystalline silicon filled in the groove of which the...
US-4,497,664 Erosion of a solid surface with a cavitating liquid jet
A solid surface is eroded by directing a liquid axially through a converging passage in a nozzle toward the surface, then deflecting the liquid in a lateral...
US-4,497,663 Method of encapsulating a polluting liquid
A method for forming a three-dimensional network containing encapsulated organic material comprises reacting a functionalized polymer and a complementary...
US-4,497,662 Moulded product
A process of moulding a product (and a product thus formed) wherein particulate ligno-cellulose such as shredded paper, flour, Portland cement, a small amount of...
US-4,497,661 Formed briquettes, process for forming the same and process for utilizing the same in the manufacture of metals
Formed briquettes of high green strength, high shatter and good compressive strength in the cured state from a composition comprising a metal- and/or ...
US-4,497,660 Cemented carbide
In material applications in which besides a high wear resistance also excellent corrosion resistance, strength and toughness are required, conventional hard...
US-4,497,659 Production of metals with low selenium contents
Selenium is precipitated from solutions containing at least one metal selected from the group consisting of nickel, cobalt, copper, iron, zinc, manganese,...
US-4,497,658 Compact precious metal furnace and recovery method
A highly compact and efficient tilting crucible furnace and smelting method is disclosed for use in the direct smelting of a precious metal containing material....
US-4,497,657 Method for recovering platinum in a nitric acid plant
Improved recovery of platinum lost from the catalyst gauze in a nitric acid plant is obtained by using palladium containing recovery gauzes configured to enhance...
US-4,497,656 Steel making method
A method of producing steel from ferrous hot metal containing carbon includes the steps of delivering oxygen and a surrounding sheath of hydrocarbon shielding...
US-4,497,655 Process for production of high-purity metallic iron
A process for production of metallic iron by heating ammonium iron fluoride or iron fluoride in hydrogen stream.
US-4,497,654 Ferromagnetic metallic powders useful for magnetic recording and processes for producing said metallic powders
Ferromagnetic Fe-Ni alloy powders having the combination of a coercive force of 550-900 Oe (oersted) and a saturation flux density of 90-170 emu/g are provided...
US-4,497,653 Amidocarbonylsulfonic acid salts: herbicide antidotes
Herbicide antidote compounds and herbicidal compositions consisting of an active herbicide compound and an antidote therefor and the methods of use of the...
US-4,497,652 Diphenoxymethylpyridine herbicides
Disclosed are diphenoxymethyl pyridines, their preparation and their use as herbicides.
US-4,497,651 Dichloroquinoline derivatives for use as herbicides
Dichloroquinoline derivatives of the formula ##STR1## are prepared as described, and are used as herbicides.
US-4,497,650 Tetrahydrotriazines
Novel tetrahydrotriazine compounds which exhibit utility as terrestrial herbicides. Also included are herbicidal compositions containing these compounds and a...
US-4,497,649 5-O-Acyl-5-C-alkyl-3-O-arylmethyl or substituted arylmethyl-1,2-O-alkylidene-.alpha.D-gluco-pentofuranose and ...
5-O-acyl-5-C-alkyl-3-O-substituted arylmethyl-1,2-O-alkylidene-.alpha.-D-gluco- and .beta.-L-ido-pentofuranoses. The compounds exhibit herbicidal activity and ...
US-4,497,648 Oxime derivatives for protecting plant crops
The invention relates to novel oxime ethers of the formula ##STR1## R.sub.1 is hydrogen, methyl, methoxy, chlorine, cyano or trifluoromethyl, R.sub.2 is...
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