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Patent # Description
US-4,123,301 Method for quench hardening steel casings
Steel casings are heated to above the transformation temperature and then quench hardened to achieve a fully martensitic structure. Thick-walled casings are...
US-4,123,300 Integrated circuit process utilizing lift-off techniques
A method for making high density integrated circuits which utilizes lift-off techniques provides a structure having a single layer of insulating material for...
US-4,123,299 Method of producing silicon-iron sheet materal, and product
The magnetic properties of silicon-iron are improved by adding tin, and by both adding tin and lowering the sulfur content the weld brittleness is reduced in...
US-4,123,298 Post decarburization anneal for cube-on-edge oriented silicon steel
A high temperature continuous strip anneal is added to the routings for both high permeability cube-on-edge oriented silicon steel having a permeability at 796...
US-4,123,297 Forming curved thin magnets from rare earth-transition metal powders
In a preferred embodiment, thin curved rare earth-transition metal (RE-TM) compacts with good green strength are made by a stepwise process in the molding...
US-4,123,296 High strength steel rod of large gauge
A large gauge high strength steel rod having a diameter of not less than 9 mm, is produced from high carbon steel containing, by weight percent, from 0.65 to...
US-4,123,295 Mercury chalcogenide contact for semiconductor devices
An improved contact material for use in the fabrication of semiconductor devices is provided. This material comprises one of the mercury chalcogenides. The...
US-4,123,294 Method of separating ferritic steel or ductile iron from certain nonferrous metals
A method is disclosed for treating scrap metal chips and turnings containing a valuable metal layer of silver, gold, or copper and a ductile layer of ferritic...
US-4,123,293 Method of providing semiconductor pellet with heat sink
A method of providing a silicon semiconductor pellet with a heat sink and a semiconductor device with such a heat sink. The heat sink to which the pellet is...
US-4,123,292 Method of treating steel strip and sheet surfaces for metallic coating
A method of preparing the surfaces of steel strip and sheet stock for fluxless hot dip metallic coating, comprising the steps of passing the stock through a...
US-4,123,291 Method of treating steel strip and sheet surfaces, in sulfur-bearing atmosphere, for metallic coating
A method of preparing the surfaces of steel strip and sheet stock for fluxless hot dip coating with molten metal by passing the stock through a first heating...
US-4,123,290 Chromium-containing coating of enhanced corrosion resistance
A chromium-containing coating composition, also containing pulverulent metal, will provide a coating of excellent corrosion resistance when the composition...
US-4,123,289 Automatic pick-up and release mechanism and agitator device
An automatic pick-up and release mechanism including a curved surface having an axis of curvature; a rotatable shaft having an axis parallel with and eccentric...
US-4,123,288 Calcination
The invention relates to a method of thermal calcination of minerals wherein mineral matter is calcined in a calcination system comprising an optional...
US-4,123,287 Glass fibres for reinforcement of cement products
Glass fibres for use as reinforcement in cement products are coated with a composition containing a material to protect them against the alkaline environment,...
US-4,123,286 Silicon carbide powder compositions
A powder containing substantial amounts of alpha phase silicon carbide suitable for use in subsequent sintering operations to obtain a high-density,...
US-4,123,285 Foamed ceramic element
A foamed ceramic product and method for making same is disclosed. The foamed ceramic is characterized by a high compressive strength, high insulating properties...
US-4,123,284 Porous ceramic bodies
Light weight porous ceramic bodies characterized by uniform porosity are prepared by forming an aqueous slurry of a mixture of pyrophyllite and clay having a...
US-4,123,283 Setting electrical latent images in migration imaging elements
A migration layer comprising migration material and softenable material, said migration layer having a set electrical latent image. The process of setting the...
US-4,123,282 Photothermographic toners
A combination of phthalazine and certain aromatic acids or anhydrides thereof serves as a toner during heat development of exposed dry silver image forming sheet...
US-4,123,281 Photographic silver halide color material containing fast-acting hardener and 2-pyrazolin-5-one coupler precursors
Color photographic material containing a fast-acting hardener, which acts by activating carboxyl groups, wherein said material contains a 2-pyrazolin-5-one...
US-4,123,280 Silver halide vapor deposition method
There are disclosed a method and an apparatus for the production of photographic materials by vacuum deposition of silver halides on a continuously moving...
US-4,123,279 Light-sensitive o-quinonediazide containing planographic printing plate
A method for increasing the ink-receptivity of a light-sensitive planographic printing plate comprising a support having thereon a light-sensitive layer...
US-4,123,278 Polyester film coated with adhesive polymer composition
The adherence of hydrophilic layers to dimensionally stable polyester films is improved by means of an adhesive layer by a process comprising applying the...
US-4,123,277 Copolymer subbing material for photographic elements
A photographic element which comprises a resin film or resin coated paper support having superimposed thereon a layer of a composition comprising a copolymer...
US-4,123,276 Photosensitive composition
A photosensitive composition is prepared comprising (a) a copolymer having an acid value of 10 to 100 and containing structural units represented by the...
US-4,123,275 Color diffusion transfer photographic materials with vinyl copolymer neutralization rate controlling layer
In a color diffusion transfer photographic material comprising a photosensitive element including at least one light-sensitive silver halide emulsion layer...
US-4,123,274 Heat developable imaging materials and process
A photothermographic material comprising in reactive association (a) photosensitive silver halide, (b) an image-forming combination comprising (i) a silver salt...
US-4,123,273 Stable free radical nitroxyl bleaching agents for photographic processes
Disclosed herein are aqueous and nonaqueous photographic bleaching solutions and photothermographic elements comprising stable free radical nitroxyl bleaching...
US-4,123,272 Double-negative positive-working photohardenable elements
A positive-working imaging element is described comprising a support coated first with a negative-working, solvent-developable, photohardenable stratum, then...
US-4,123,271 Alkali metal dichromate as memory resistance improver for zinc oxide photoconductors in electrostatic photography
A process for preparing a photosensitive material for electrostatic photography having an improved memory resistance, which comprises a photoconductive layer on...
US-4,123,270 Method of making electrophotographic imaging element
This invention relates to a method of making an electrophotographic imaging element, the resulting element, and the process of utilizing the element in...
US-4,123,269 Electrostatographic photosensitive device comprising hole injecting and hole transport layers
Disclosed is a layered photosensitive device for use in electrostatographic copying. The device comprises: (a) an electrically conductive substrate; (b) a layer of...
US-4,123,268 Boron chelates as acceptor type sensitizers for photoconductive polymers
A series of chelated diketones in which the chelated atom is boron can be used as acceptor type sensitizers for polymeric photoconductors of the donor type used...
US-4,123,267 Photoconductive element having a barrier layer of aluminum hydroxyoxide
A photoconductive element consisting essentially of an electrically conductive substrate, a barrier layer of aluminum hydroxyoxide crystallites on said substrate...
US-4,123,266 Sintered high performance metal powder alloy
Articles of high performance chromium-containing cobalt-base alloys sintered from powder contain boron in amounts between about 0.1 and 1.0%. The addition of...
US-4,123,265 Method of producing ferrous sintered alloy of improved wear resistance
A method of producing a ferrous alloy material having improved wear resistance comprising (1) mixing powders of a ferrous alloy, tungsten and optionally at least...
US-4,123,264 Production of ferrous bodies
The production of a ferrous body including reacting an iron compound in a gaseous state with a reducing gas, and depositing iron produced thereby on a former...
US-4,123,263 Platinum-rhodium alloys
Platinum-rhodium alloys containing small amounts of boron and zirconium have low creep rates and high resistance to glass corrosion making the alloys...
US-4,123,262 Dental gold alloy
A silverless gold alloy consists of about 50-58% gold, 0.5-10.5% indium, 0.5-8.5% tin or 1.0-3.0% gallium, and the balance palladium. This alloy has physical...
US-4,123,261 Titanium-stabilized deep drawing steel suitable for hot galvanizing
Titanium stabilized deep drawing steel containing from 0 to about 0.02 weight percent carbon, from 0 to about 0.04 weight percent manganese and from about 0.15...
US-4,123,260 Selective recovery of nickel and cobalt or copper and zinc from solution
A process for separately recovering nickel and cobalt from solution includes adjusting the pH of the solution to a value between about 3 and about 6, and then...
US-4,123,259 Method for supplying thermal energy to steel melts
A procedure is described for supplying thermal energy to a steel melt by burning a fuel in a melt containing at most 0.10% carbon, by means of oxygen. Both the...
US-4,123,258 Process for the production of steel with increased ductility and for the desulfurization of a steel melt
A process for the production of steel with increased ductility in which a sulfur-containing steel melt is deoxidized and, if desired, is supplied with alloying...
US-4,123,257 Method of treating a plating sludge
A method of treating a plating sludge is disclosed, wherein a plating sludge, whose water content is decreased to not higher than 10% by weight, is mixed with...
US-4,123,256 N-(4-substituted benzyloxy)phenyl)-N-methyl-N-methoxyurea
An N-[4-(substituted benzyloxy)phenyl]-N'-methyl-N'-methoxyurea of the formula: ##STR1## wherein X, which may be the same or different, is halogen, nitro,...
US-4,123,255 O-sulfonyl-alpha-cyano 2,6-dihalobenzaldoximes
O-alkylsulfonyl-, O-haloalkylsulfonyl- and O-dialkylaminosulfonyl-alpha-cyano-2,6-dihalobenzaldoximes are active pre-emergent herbicides.
US-4,123,254 Germicidal herbicide for agriculture and horticulture
A germicidal herbicide for agriculture and horticulture, which comprises at least one compound, as an active ingredient having the formula (I); wherein R represents...
US-4,123,253 Herbicidal compositions
The invention provides herbicidal compositions containing as active ingredients (1) a 1,2,4-triazin-5-(4H)-one derivative of the general formula ##STR1## ...
US-4,123,252 Methoxy substituted cycloalkanapyrazole herbicides
Herbicidal cyanoalkanapyrazoles of the formula: ##STR1## where N IS 3, 4, OR 5; Q is --O--CH.sub.3 or --S(O).sub.m --CH.sub.3 ; where m is 0, 1 or 2; and R.sub.1...
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