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Patent # Description
US-4,892,652 Curved diverter plate assembly for interchangeability of various models of traveling water screens
A traveling water screen of the dual flow type is provided with diverter plates having projections on the diverter plates that allow the dual flow water screen...
US-4,892,651 Filtering system for fish ponds
A filtering system for use with fish-containing ponds and bodies of water is disclosed. More particularly, the filtering system includes chambers for harboring...
US-4,892,650 Fruit grading machine
A fruit grader comprising a plurality of belts which diverge away from a loading station and which overlie parallel and closely spaced transverse belts, all the...
US-4,892,649 Calcium carbonate beneficiation
A process for purifying calcium carbonate ore by the removal of silicate impurities from the ore by reverse flotation. The process achieves high yields and low...
US-4,892,648 Process for beneficiation of coal and associated apparatus
A process for removing mineral matter from coal is disclosed. The process involves creating ultrafine coal by pulverizing the coal feed material and mixing it...
US-4,892,647 System for segregating trash
A system for segregating trash into discrete fractions including a separator assemblage consisting of a staggered multiple-tiered heated belt system or...
US-4,892,646 Method for treating dewaxing catalysts
A method for treating a porous crystalline catalyst optionally associated with a metal component such as a noble and/or base metal(s) is described. The method...
US-4,892,645 Dewaxing catalyst based on tin containing materials
Catalytic dewaxing of wax containing hydrocarbon feedstocks is undertaken in the presence of a catalyst composition comprising a dehydrogenation metal in...
US-4,892,644 Upgrading solvent extracts by double decantation and use of pseudo extract as hydrogen donor
A solvent extract obtained from a conventional hydrocarbon oil solvent extraction process, e.g., one employing furfural as the extraction solvent, is cooled to a...
US-4,892,643 Upgrading naphtha in a single riser fluidized catalytic cracking operation employing a catalyst mixture
The present invention discloses a catalytic cracking operation featuring a single riser in which a variety of hydrocarbon conversion reactions takes place, a...
US-4,892,642 Process for the production of mesophase
An improved process for producing an anisotropic pitch product suitable for carbon fiber manufacture. A carbonaceous feedstock substantially free of mesophase...
US-4,892,641 Process for the production of mesophase pitch
An improved process for producing an anisotropic pitch product suitable for carbon fiber manufacture. A carbonaceous feedstock substantially free of mesophase...
US-4,892,640 Sensor for the determination of electrolyte concentrations
An ion-selective electrode for determining an electrolyte concentration in an aqueous solution includes an ion-selective layer and a potential-sensitive...
US-4,892,639 Electrophoresis plate and method of making same
An improved electrophoresis plate and method of making same includes a plate having an inert substrate and an electrophoretic medium formed on the substrate. The...
US-4,892,638 Instrument for determination of the base sequence of DNA
An instrument for determination of the base sequence of deoxyribonucleic acid (DNA) which is designed to dectect DNA fragments in course of gel electrophoresis...
US-4,892,637 Plastic-bound gas diffusion electrode containing a manganese oxide catalyst and process for preparing same
A process which comprises thermally decomposing in an electrically heated vibrating helical conveyor, manganese carbonate (MnCO.sub.3 x H.sub.2 O) into a...
US-4,892,636 Modular electrolytic cell and processing apparatus
An easily transportable electrolytic cell and associated processing apparatus is modularly constructed and supported in modular support sections that are easily...
US-4,892,635 Pattern transfer process utilizing multilevel resist structure for fabricating integrated-circuit devices
Reactive ion etching of the planarizing layer of a multilevel resist structure utilized to make integrated-circuit devices is carried out employing a plasma...
US-4,892,634 Method of preparing thermo-magneto-optic recording elements
A method of making a thermo-magneto-optic element stable over wide temperature ranges wherein a barrier layer is applied to a polymeric substrate, the substrate...
US-4,892,633 Magnetron sputtering cathode
A superior method and magnetron sputtering cathode apparatus in which some of the flux lines forming the closed-loop magnetic tunnel are made to change their...
US-4,892,632 Combination seal member and membrane holder for an electrolytic cell
A combination electrolysis cell gasket member and membrane holding member suitable for use in an electrolytic cells of the filter press type including a solid...
US-4,892,631 Recovery of precious metals from complex ores
Precious metals are resolved and recovered from complex ores by a repetitious process of (1) heating in an electric arc furnace, a source containing complex ore...
US-4,892,630 Process for the passivating anodization of copper in a medium of molten fluorides, and use for the protection...
A process for producing a strong, adherent protective layer on copper parts, with a high rate of covering of the substrate, by passivating anodization,...
US-4,892,629 Electrochemical preparation of silver oxide electrodes having high thermal stability
The shelf life of electrochemically prepared AgO cathodes is improved by reasing the temperature of anodization step to about 70.degree. C. or higher. At these...
US-4,892,628 Electrodeposition of amorphous ternary nickel-chromium-phosphorus alloy
Amorphous ternary nickel-chromium-phosphorus alloys are electrodeposited from a bath comprising a nickel salt, a chromium salt, a phosphorus source such as...
US-4,892,627 Method of nickel-tungsten-silicon carbide composite plating
Disclosed is a method of nickel-tungsten-silicon carbide composite plating which comprises the steps of: preparing a plating bath having the following...
US-4,892,626 Method for plating one side of a woven fabric sheet
In a method for plating one side of a woven fabric sheet, a backing layer is applied to one side of the sheet. The sheet and backing layer are wetted in an...
US-4,892,625 Method for producing high purity chemicals
A distillable liquid containing non-volatile impurities is freed of those impurities by boiling the liquid to form vapors of the liquid, passing the vapors...
US-4,892,624 Workup of distillation residues from the purification of caprolactam
Distillation residues from the purification of caprolactam are worked up by heating in the presence of sodium hydroxide or potassium hydroxide and in the...
US-4,892,623 Two-speed stepper actuator
A two-speed stepper actuator unit for use in paper machine headbox slice lip control has a spindle 16 driven by a power nut 24. A lever clamp 32 has legs 34 and...
US-4,892,622 Method for resisting formation of undulations in a fiber/water mixture during forming of a paper web in a...
A method of and arrangement for resisting formation of undulations in a fiber/water mixture supplied onto a forming wire at an open planar wire section of a...
US-4,892,621 Method and device for measuring permeability/penetrability of fabric in a paper machine
The present invention concerns a method in a paper machine for the measurement of air penetrability or permeability of fabrics penetrable by air, in particular...
US-4,892,620 Diurethane latex and processes
A sizing agent for paper consisting essentially of a latex consisting essentially of at least one diurethane dispersed in an aqueous medium, said diurethane...
US-4,892,619 Method of production of fiber containing pulp with different raw materials
In continuous pulping processes for cellulosic fiberous material pulp, a changeover from deciduous wood raw material to coniferous wood raw material without...
US-4,892,618 Method for the manufacture of products containing wood chips by insolubilizing the lignin
A method for the manufacture of products containing compressed and adhesive-bonded wood chippings, preferably of different sizes. Before the chippings are...
US-4,892,617 Processes involving lithographic materials
Extremely useful compositions for delineation of materials utilized in device applications have been found. These compositions include a polymer having segments...
US-4,892,616 Process for stripping color filter arrays from substrates
A process for stripping a color filter array coating from a substrate of a solid-state color image sensing device to recover the substrate so that it ...
US-4,892,615 Method for decontamination of a chamber used in vacuum processes for deposition, etching and/or growth of high...
A decontamination system for processes for deposition, etching and/or growth of high purity films, particularly applicable to semiconductor technology. After...
US-4,892,614 Integrated circuit isolation process
A multiple recess isolation technology avoids stress induced defects while providing a substantially planar surface. A silicon substrate (10) is patterned and...
US-4,892,613 Process for etching light-shielding thin film
A light shielding thin film is provided on a light transmitting substrate, and the film is covered by a photoresist. The photoresist is exposed and developed to...
US-4,892,612 Polishing method
The process of polishing semiconductor materials such as silicon with a silica sol-amine combination is improved by selecting an alkanolamine as the amine. The...
US-4,892,611 Knife wheel assembly suitable for forming a butt splice
A knife wheel assembly suitable for forming a butt splice to join together a web from a new roll of material to a web which is from an expiring roll of material...
US-4,892,610 Auto reel loader
An auto reel loader includes a plate onto which a truck is moved and a used-up paper roll holder. The used-up paper roll holder takes a used-up paper roll off a...
US-4,892,609 Automatic material feeder in tire forming machine
An automatic feeder for feeding tire building materials in a tire building machine, which is installed on a base plate and mainly comprises two stock rolls...
US-4,892,608 Automatic transverse splicing device for uncured elastomeric sheet material
An automatic splicing device (7) for splicing the opposed transverse edges (4, 5) of strip elements (2, 3) of uncured elastomeric sheet material, particularly...
US-4,892,607 Chip mounting techniques for display apparatus
Driver circuit chip mounting techniques for use in the fabrication of monolithic flat panel displays are disclosed in accordance with the teachings of the...
US-4,892,606 Optical recording medium having space therein and method of manufacturing the same
An optical recording medium has a space therein and is prepared such that a pair of substrates are partially adhered by an adhesive obtained by dispersing...
US-4,892,605 Process for producing a furniture laminate sheet or web
A multi-layer laminate web for furniture formed of a polyolefin web containing a mixture or blend of specific proportions by weight of a propylene homopolymer or...
US-4,892,604 Method of making a sterilizable multi-layer container
A sterilizable, plastic medical container has a body section formed of thin, multi layer film. The film has a first layer formed of cross-linkable plastic free...
US-4,892,603 Irradiated multilayer film for primal meat packaging
A heat-shrinkable, multilayer film suitable for use in fabricating bags for packaging primal and sub-primal meat cuts and processed meats. The multilayer film...
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