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Patent # Description
US-4,840,712 Process for improving wear on conductor rolls in electroplating of steel surfaces
The invention relates to an improvement in a process for electrodepositing a protective coating of zinc or a zinc alloy on steel or other metal substrates in...
US-4,840,711 Process for the fusion of one element into a second element
A process for the fusion of second conductive element into the matrix of a first conductive element is provided in which the second element as a dissociable...
US-4,840,710 Method of stripping electrolytically deposited copper from a cathode
Electrolytically deposited copper is stripped from a cathode by first flexing the cathode to cause at least part of the copper deposit to separate from the...
US-4,840,709 Single-stage electrochemical image-forming process for reproduction layers
This invention relates to a single-stage process for imaging an electrically conductive substrate by the action of electric current, wherein the substrate is...
US-4,840,708 Process for the precise determination of the surface area of an electrically conducting shaped body
The process for the precise determination of the surface area of an electrically conducting shaped body is performed by immersing said body as one electrode in...
US-4,840,707 Separation of 3-methyl-2-butanone from formic acid by extractive distillation
3-Methyl-2-butanone cannot be removed from 3-methyl-2-butanone and formic acid mixtures by distillation because of the presence of the maximum azeotrope between...
US-4,840,706 Method and apparatus for measuring water content
A modified infra-red scanning gauge used in measuring the moisture content of a paper-web during manufacture or when subject to a coating practice, has a...
US-4,840,705 Papermaking method
Disclosed are a papermaking method comprising the steps of sheet-formation of an aqueous papermaking stock which contains a cellulose fiber or the said fiber and...
US-4,840,704 Controlling characteristics of a pulp mat on a pulp washing surface
Pulp washing efficiency at any given dilution factor and production rate is maximized by controlling washing surface speed in response to determination of total...
US-4,840,703 Method for controlling an oxygen bleaching
A method for controlling an oxygen-bleaching process of lignocellulosic pulp to a desired degree of delignification. The pulp is passed at a substantially constant...
US-4,840,702 Apparatus and method for plasma treating of circuit boards
An apparatus and method for improved plasma treating of circuit boards is disclosed wherein a plasma treating zone and a gas resupply zone are established in a...
US-4,840,701 Etching apparatus and method
An etching apparatus for the selective etching of e.g. single crystal silicon is described. The apparatus includes a tank for receiving a quantity of liquid...
US-4,840,700 Current streamline method for coil construction
Etching methods are employed on a thin conducting sheet so as to fabricate complicated magnetic coil patterns which are necessary to produce magnetic fields of...
US-4,840,699 Gallium arsenide crystal growth
A process that, without doping of PBN crucibles, produces semi-insulating GaAs having low, or essentially no, dislocation density; and in which the crystal may...
US-4,840,698 Apparatus for laminating a film under pressure and heat
Apparatus for laminating a film onto a carrier. A carrier, such as, for example, a printed circuit board, a multi-layer lamination, a metal plate or a carrier...
US-4,840,697 Apparatus for handling sheet material
In the feeding of sheet material to a machine such as a tire building former a sheet is first placed on a table and one edge of the sheet is aligned with a first...
US-4,840,696 Label dispenser and a franking machine equipped with said dispenser
The label dispenser comprises a cutter (11) for cutting a label from a continuous tape (1), with first and second means (10, 12) disposed on either side of said...
US-4,840,695 Method for unwinding elastic tape
A method for unwinding an elastic strip material from a package that has a propensity to stick to itself. The method includes heating the surface of the package...
US-4,840,694 Methods and apparatus for handling double-sided adhesive tabs
Double-sided adhesive tabs are removed from a carrier tape by passing the carrier tape around a convex nose to peel the carrier tape away from each tab. A tab...
US-4,840,693 Organopolysiloxane hot-melt adhesive
A hot-melt adhesive which has as its principal component an organopolysiloxane which converts to an isotropic liquid at temperatures of at least 40.degree. C....
US-4,840,692 Method for producing an absorption body, notably for use in cases of urinary incontinence in women
A method for producing an absorption body, notably for use in cases of female incontinence which include forming a core by dry depositing a layer of hot meltable...
US-4,840,691 Process for producing formed and labelled three dimensional plastic articles
In a process for producing labelled and/or printed plastic formed articles, for example plastic trays, from a plastic film sheet, several formed articles being...
US-4,840,690 Method of constructing a blood flow conduit
A method of constructing a blood flow conduit provided with external inflatable balloons and having rigid end portions for facilitating insertion into blood...
US-4,840,689 Ornament production
A method and apparatus is disclosed for producing gift wrap ornaments of the type having a plurality of radiating conical points. The ornament is produced by...
US-4,840,688 Method for the production of fibrous plaster boards
A method for the production of fibrous plaster boards for which a suspension is prepared from wet-digested fiber material and calcium sulfate dihydrate, the...
US-4,840,687 Explosive compositions
An explosive composition is disclosed which comprises a discontinuous oxidizer phase comprising at least one oxygen-supplying component, a continuous organic...
US-4,840,686 Bainitic core grinding rod
A carbon or alloy steel heat treated grinding rod having improved wear resistance and breaking resistance for use in a rotating grinding mill. The surface of the...
US-4,840,685 Aluminum alloy for the substrate of magnetic disk
An aluminum alloy for the substrate of magnetic disk is disclosed, wherein 2 to 6 wt % of Mg and further either one or two of Cu within a range of 0.12 to 2.0 wt...
US-4,840,684 Isotropic permanent magnets and process for producing same
Isotropic permanent magnet formed of a sintered body having a mean crystal grain size of 1-160 microns and a major phase of tetragonal system comprising, in...
US-4,840,683 Al-Cu-Li-Mg alloys with very high specific mechanical strength
The invention relates to aluminum based alloys essentially containing Cu, Li and Mg, which have very high specific mechanical strength and can be used...
US-4,840,682 Low temperature underaging process for lithium bearing alloys
The combination of strength and fracture toughness properties of aluminum-lithium alloys are significantly enhanced by underaging the alloys at temperatures...
US-4,840,681 Contact lens cleaning device and method
A method of cleaning a contact lens comprising providing a flexible cleaning pad, providing support means for the cleaning pad having a central opening and outer...
US-4,840,680 Method for degreasing a cold rolled metallic band
A method of degreasing a cold rolled metallic band, through the chemical effect of an atmosphere of a determined composition, according to which the heating and...
US-4,840,679 Purification and separation of branched beta-cyclodextrins
A method for separating and purifying branched beta-cyclodextrins from aqueous solution. The process entails adding a beta-cyclodextrin complexant to a starting...
US-4,840,678 Pipe coil cooker
A sugar-cooking apparatus of the type having a standing pipe coil surrounded by a heating jacket. The coiled pipe is of flattened cross-section for improved heat...
US-4,840,677 Plateletlike two-phase pigment
A plateletlike two-phase pigment which has a core with a hematite structure of the composition where x is from 0.02 to 0.5, and an outer layer with a spinal structure...
US-4,840,676 Insoluble pigments and preparation thereof
A water-insoluble pigment comprising a complex of an anion exchange material with a layered crystal structure and a water-soluble dye is disclosed. The anion...
US-4,840,675 Mold release composition
A process for imparting releasing property to a mold which comprises applying to the mold a composition comprising: (A) (1) a fluorine-containing urethane compound...
US-4,840,674 Ink compositions
An improved ink composition comprised of a major amount of water; an organic solvent selected from the group consisting of tetramethylene sulfone;...
US-4,840,673 Anisotropic cellulose articles, fibers, and films and method of producing same
Lyotropic mesophase (liquid crystalline) solutions of cellulose are formed in an ammonia/ammonium thiocyanate solvent. The nature of the solution can be...
US-4,840,672 Lightweight insulating boards and process for manufacturing same
Lightweight insulating boards in accordance with the present invention comprise Portland cement, fibers and fillers including: (a) 50-75% by weight of cement, (b)...
US-4,840,671 Process for chemical stabilization of heavy metal bearing dusts and sludges as EAF dust
This invention is directed to a process for the chemical stabilization of heavy metal bearing dusts and sludges. A preferred use for such process is the...
US-4,840,670 Water soluble coloring compositions containing sparkle components
Water soluble coloring compositions are provided that contain a stable and uniform suspension of color and sparkle or glitter components. The process for...
US-4,840,669 Water soluble coloring compositions containing sparkle components
Water soluble coloring compositions are provided that contain a stable and uniform suspension of color and sparkle or glitter components. The process for...
US-4,840,668 Corrosion-inhibiting pigments, their production and use
The invention relates to corrosion-inhibiting pigments containing metallic oxides, phosphates and/or molybdates, wherein the metals are zinc, aluminum, iron,...
US-4,840,667 Metal-chelating diphenolamine oligomers for corrosion inhibition of metal substrates
This invention relates to an water-soluble or water-dispersible diphenolamine oligomeric metal-chelating compound, method for making same, aqueous composition...
US-4,840,666 Lacquer, and process for producing anti-corrosion coatings
A lacquer system which essentially comprises a silicic acid heteropolyconsate, a flake-shaped or lamellar filler, a solvent and, if appropriate, a conventional...
US-4,840,665 Wear-resistant sintered iron-based alloy and process for producing the same
A wear-resistant sintered iron-based alloy and a process for producing the alloy are described, wherein the alloy comprises a first phase having a martensite...
US-4,840,664 Herbicidal pyridine derivatives
Herbicidal pyridine compounds of formula (II): ##STR1## wherein Z is CF.sub.3 CF.sub.2 H, CF.sub.2 Cl or hydrogen; Y is hydrogen, Cl, or CF.sub.3, provided...
US-4,840,663 Synergistic composition and method for selective weed control in rice
Compositions that contain, in admixture with one another, as active ingredient, on the one hand ...
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