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| Patent # | Description |
|---|---|
| US-4,671,886 |
Process for coloring granular product by admixing with pigment/diluent
premix Finely divided particulate pigments which form large visible agglomerates are admixed with a non-agglomerating granular diluent to break up the visible... |
| US-4,671,885 |
Process for the preparation of magnetized hexagonal ferrites, use of
these ferrites as base materials for... Magnetic hexagonal ferrites, in which ferrites the iron atom may be optionally substituted (substituted or unsubstituted barium hexaferrites, etc.), are prepared... |
| US-4,671,884 |
Antistatic composition A textile treatment composition comprises a water insoluble quaternary ammonium salt and a non-ionic surfactant containing at least one long-chain alkyl or fatty... |
| US-4,671,883 |
Fluid loss control additives for oil-based well-working fluids Fluid loss control additives for oil-based well-working fluids comprise a solubilized lignite derivative and an oil-swellable or oil-soluble polymer. The... |
| US-4,671,882 |
Phosphoric acid/lime hazardous waste detoxification treatment process A process for producing a non-hazardous sludge from an aqueous solution which contains heavy metals comprising the steps of: (a) adding phosphoric acid or an... |
| US-4,671,881 |
Sewage treatment process Coal pulverized by a mill or crusher is used as a floating agent which is charged into a floating machine, together with wastewater, for example, from a... |
| US-4,671,880 |
Method for inhibiting aluminum-based deposition in water systems A method of controlling deposition and fouling in an aqueous mediums, such as in cooling water systems, wherein aluminum species are present in the system water.... |
| US-4,671,879 |
Process for reducing the nitrate content in water The present invention provides a process for reducing the nitrate content in water, wherein water containing nitrate is contacted with an anion exchanger... |
| US-4,671,878 |
Means for clearing the blocked reject end of a vortex purifier Apparatus for clearing the blocked reject end of a vortex purifier without interrupting the operation of the vortex purifier, the apparatus includes an opening... |
| US-4,671,877 |
Dewatering apparatus Dewatering apparatus having a screen with alternate perforate sections and inperforate accelerator sections, both on a slope. The input feed may be pulsed the... |
| US-4,671,876 |
Belt filter device with pivotal suction casing A belt filter device mounted on a frame carrying an endless conveyor belt has a casing arranged below an upper run of the belt, and application of subatmospheric... |
| US-4,671,875 |
Fluid separation module A fluid separation module made up of a cylindrical shell having an outlet end and an enlarged inlet end. A bundle of hollow fiber membranes positioned in the... |
| US-4,671,874 |
Continuous dewatering apparatus An apparatus and method for dewatering sludges and the like as part of landfill operations by electrokinetic techniques including placing anode and cathode... |
| US-4,671,873 |
Filter element with permanently applied sealing strips A filter element that includes a membrane which is to be detachably or non-detachably retained between fixed parts of a filter device, and which is provided on... |
| US-4,671,872 |
Aerator mast with azimuth lock and bottom stop A horizontal mixing aerator rides on a upright mast or beam for submersion in a body of liquid such as a sewage equalization basin, oxidation ditch or sludge... |
| US-4,671,871 |
Chromatographic sheet and/or a system of chromatographic sheets for
overpressured multilayer chromatography The present invention relates to a chromatographic sheet and/or a system of chromatographic sheets for overpressured multilayer chromatography. One or more... |
| US-4,671,870 |
Apparatus for overpressured thin-layer chromatographic technique The invention relates to an apparatus for overpressured thin-layer chromatographic technique, comprising at least one carrier plate arranged adjacent a closed... |
| US-4,671,869 |
Filter device A filter device suitable for use in cleaning dampening water used in an offset press. The filter device has a tank in which are defined three sections: a... |
| US-4,671,868 |
Method for recovering gold, platinum or silver from an ore containing
gold dust, platinum dust or silver dust A method of recovering gold from an ore containing micron gold or gold dust is disclosed. The gold is recovered by providing a silver coated surface, coating the... |
| US-4,671,867 |
Method and means for treating foundry sands and the like The subject matter of the invention mainly relates to the technical areas of foundry, manufacture of parts by casting metal in moulds. The process consists in that... |
| US-4,671,866 |
Hydrodemetallization of oils A process for removing metals from a hydrocarbon-containing feed stream comprises hydrotreatment in the presence of a solid catalyst composition comprising... |
| US-4,671,865 |
Two step heterocyclic nitrogen extraction from petroleum oils The instant invention discloses a method of removing heterocyclic basic nitrogen compounds from petroleum oils which comprises first enhancing the concentration... |
| US-4,671,864 |
Process for the manufacture of carbon fibers and feedstock therefor Disclosed herein is an improved pitch for making readily stabilizable, substantially nonmesophasic carbon fibers. The pitch has a softening point of about... |
| US-4,671,863 |
Reversible electrolytic system for softening and dealkalizing water System for softening and dealkalizing water by feeding said water to both chambers of an electrolytic cell which chambers are separated by a cation exchange... |
| US-4,671,862 |
Apparatus for mass electroplating of bulk goods An apparatus for the mass electroplating of bulk goods includes a plating tank for the acceptance of the electrolyte, a goods carrying dish being mounted in the... |
| US-4,671,861 |
Measurement and control of net caustic production during electrodialysis A method of and apparatus having utility in an electrodialysis and electrosynthesis process energized by direct eletrical current for the purification and... |
| US-4,671,860 |
Low energy dewatering of dispersed particle latexes by electrofiltration A process for the removal of water from dispersed particles such as vinyl resins uses electrofiltration to yield a high total solids content wetcake. A final... |
| US-4,671,859 |
Process for the electrochemical graining of aluminum for use as printing
plate supports The present invention relates to a process for the electrochemical graining of aluminum or aluminum alloys useful for printing plate supports, in which process... |
| US-4,671,858 |
Method for making anode foil for an aluminum electrolytic capacitor The present invention relates, in an aluminum electrolytic capacitor using aluminum foil as its electrode, to a method for producing safely an anode foil having... |
| US-4,671,857 |
Method for separating methacrylic acid from isobutyric acid The distillative separation of methacrylic acid from isobutyric acid is significantly improved by the introduction into the distillation system of a third... |
| US-4,671,856 |
Method for recyclying energy in counterflow heat exchange and
distillation This document describes an improved method and apparatus for recycling energy in counterflow heat exchange and distillation. The basis of the invention is... |
| US-4,671,855 |
Paper sizing and composition and method A paper sized with a 2-nitrobenzene sulfonate is disclosed. |
| US-4,671,854 |
Method for preparing a printed circuit board with solder plated circuit
and through-holes The invention provides a method for preparing a printed circuit board with solder plated circuit and through-holes, using a specifically prepared photoresist... |
| US-4,671,853 |
Image sensor manufacturing method In a method of manufacturing image sensors, an electrode layer of an opaque metal material is formed on a transparent ceramic substrate and is patterned into... |
| US-4,671,852 |
Method of forming suspended gate, chemically sensitive field-effect
transistor A method is disclosed for forming a chemically sensitive field-effect transistor having a suspended gate which enables the uniform and reproducible manufacture... |
| US-4,671,851 |
Method for removing protuberances at the surface of a semiconductor
wafer using a chem-mech polishing technique A chemical-mechanical (chem-mech) method for removing SiO.sub.2 protuberances at the surface of a silicon chip, such protuberances including "bird's heads". A... |
| US-4,671,850 |
Mask using polyimide to support a patterned x-ray opaque layer A process for manufacturing a mask for use in x-ray photolithography starts with the step of coating the first and second sides of a silicon wafer (100) with a... |
| US-4,671,849 |
Method for control of etch profile A method for precisely controlling the profile of an opening etched in a layer of material, for example, an insulating layer. In one embodiment, wherein a... |
| US-4,671,848 |
Method for laser-induced removal of a surface coating In order to remove a dielectric coating from a conducting material, a high energy radiation source, such as a laser source, is focused in a region having a... |
| US-4,671,847 |
Thermally-activated vapor etchant for InP Vapor from liquid ethylene dibromide (EDB) functions in a manner superior anhydrous HCl for in situ gas phase etching of InP substrates in Metalorganic Vapor... |
| US-4,671,846 |
Method of bonding crystalline silicon bodies A method of bonding two single-crystal silicon bodies comprises the steps of: (i) mirror-polishing the contact surfaces of the bodies to reduce the surface... |
| US-4,671,845 |
Method for producing high quality germanium-germanium nitride interfaces
for germanium semiconductors and... The present invention relates to the production of a stable insulator of a germanium and a device produced thereby. A germanium substrate is provided with a... |
| US-4,671,844 |
Labeling apparatus A labeling apparatus holds an article to which a label is to be stuck, on a holder and then moves the holder carrying the article from a home position via a... |
| US-4,671,843 |
Label transport vacuum drum A cylindrical vacuum drum for carrying a label held to its surface by vacuum past an adhesive applying roll to a position where the label will touch a container... |
| US-4,671,842 |
System for the manufacture of tubular structural parts of a
fiber-reinforced plastic A system for the automatic manufacture of pipe-shaped or tubular structural parts of a fiber-reinforced plastic. A device is provided with which fiber strands... |
| US-4,671,841 |
Method of making an acoustic panel with a triaxial open-weave face sheet A method of producing an open, triaxial woven, acoustic face sheet useful in acoustic energy absorbing panels for aircraft engines or the like. The composite... |
| US-4,671,840 |
Process for internally lining a duct, a lining installation using this
process and ducts provided with a lining... An internal lining for ducts (C) is provided by introducing into one end of the duct an assembly (E) which comprises a sleeve (5) and an inflatable system (2)... |
| US-4,671,839 |
Secure identification card manufacture A process for manufacturing secure identification cards incorporating fiber optic elements which allow the generation of a binary encoded electro-optical signal... |
| US-4,671,838 |
Preparation of bilayer laminate and preformed sheet for use therein Preformed, energy-absorbing, scratch resistant, optical, flexible, and self-healing polyurethane sheets, which are adhesive under the influence of heat and... |
| US-4,671,837 |
Process for forming composite molds to be used in the manufacture of
composite parts A method of and apparatus for forming composite parts comprising producing a composite mold surface having a high fiber volume and that is resistant to crazing,... |
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