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| Patent # | Description |
|---|---|
| US-4,341,620 |
Method and apparatus for processing oil shale in a rotary hearth Hydrocarbon containing oil shale is processed on the surface of a rabbled rotary hearth by mixing it with a heat exchange medium consisting of heated spent oil... |
| US-4,341,619 |
Supercritical tar sand extraction An integrated process for the recovery of carbonaceous material from tar sands by supercritical extraction involving countercurrent flow of the tar sand and the... |
| US-4,341,618 |
Process for the liquefaction of solid carbonaceous materials wherein
nitrogen is separated from hydrogen via... In a process for the liquefaction of solid carbonaceous materials wherein bottoms residues are upgraded with a process wherein air is employed, the improvement... |
| US-4,341,617 |
Liquid treater having electrical charge injection means The treater is provided with oppositely charged electrodes which cause liquid passing through the treater to be exposed to an electric field. At least one of the... |
| US-4,341,616 |
Dry etching device A dry etching device is provided in which on at least one portion of the path of etchant movement from the plasma production region to the etching workpiece a... |
| US-4,341,615 |
Diaphragm for electrolysis and process for the preparation thereof A wettable microporous diaphragm for electrolysis having a base of a fluorinated resin is disclosed. This diaphragm is prepared by depositing a copolymer of an... |
| US-4,341,614 |
Production of porous diaphragms A method of manufacturing a porous diaphragm of an organic polymeric mateial, e.g. of polytetrafluoroethylene, suitable for use as a diaphragm in an electrolytic... |
| US-4,341,613 |
Apparatus for electroforming An apparatus is disclosed for holding a matrix during electroforming. The apparatus is secured to the cathode of an electroforming apparatus and consists of a... |
| US-4,341,612 |
Electrolytic cell An electrolytic cell comprises two or more units wherein each unit comprises a gas and liquid permeable anode is closely brought into contact with one surface of... |
| US-4,341,611 |
Alumina reduction cell An improved alumina reduction cell is described in which the carbonaceous cathode includes refractory hard metal tiles forming the surface in contact with molten... |
| US-4,341,610 |
Energy efficient process for continuous production of thin semiconductor
films on metallic substrates An energy efficient process is disclosed for the continuous production of semiconductor matrices formed from electrodepositing doped silicon or germanium films... |
| US-4,341,609 |
Electrochemical conversion of biomass A process for converting plant biomass to its constituent parts of lignin, cellulose and hemicellulose and further derivatives comprises treating the biomass in... |
| US-4,341,608 |
Hydrogen production by biomass product depolarized water electrolysis A process for hydrogen production by water electrolysis and a process of depolarizing the anode of a water electrolysis cell by oxidizing a biomass product which... |
| US-4,341,607 |
Solar power system requiring no active control device A solar power system has a photovoltaic array having a locus of peak power points for various insolation levels, a voltage-dependent variable resistance load... |
| US-4,341,606 |
Method of operating electrolytic cells having massive dual porosity gas
electrodes A process for operating an electrolytic cell having a relatively-massive dual porosity gas electrode particularly well suited and adapted for utilization as a... |
| US-4,341,605 |
Process for cation permeable membrane with reinforcement fabric embedded
therein and product thereof A cation permeable membrane containing areas of thin wall construction comprises a cation exchange polymer matrix having a reinforcement fabric embedded... |
| US-4,341,604 |
Novel electrolysis process An electrolysis cell comprising a housing containing a plurality of alternating anode units and cathode units and an ion permeable membrane sheet disposed... |
| US-4,341,603 |
Process for manufacturing screens for centrifugals, particularly working
screens for continuously operating... Working screens for centrifugals, especially sugar centrifugals are made by electrodeposition of screen material on an electrically conducting matrix without... |
| US-4,341,602 |
Extraction of uranium using electrolytic oxidization and reduction in
bath compartments of a single cell The invention relates to a process for the recovery and the concentration of uranium (VI) contained in an organic phase. The organic phase is treated... |
| US-4,341,601 |
Water evaporation process An energy-efficient water evaporation process uses a falling film evaporator having a plurality of substantially vertical and equidistant heat exchange elements... |
| US-4,341,600 |
Polymerization inhibitor for vinyltoluene A process for distilling vinyltoluene comprising subjecting vinyltoluene to distillation conditions in the presence of a synergistic polymerization inhibiting... |
| US-4,341,599 |
Heating apparatus Apparatus usable to heat fluid comprises: (a) a steam vessel having an inlet for water and an outlet for steam, (b) heating means associated with the vessel to heat water... |
| US-4,341,598 |
Fluidized coal pyrolysis apparatus Method and apparatus for pyrolyzing agglomerative coals which comprises introducing a fluidized bed of hot char particles into a pyrolysis chamber or reactor,... |
| US-4,341,597 |
Fibrous material having good dimensional and heat stability Fibrous material is provided comprising cellulose fibers and mineral wool fibers in a weight ratio within the range from about 3:7 to about 10:1, impregnated... |
| US-4,341,596 |
Method of preparing reinforced asbestos diaphragms for chlorine-caustic
cells A resin modified asbestos diaphragm is prepared by diluting a heat curable polyvinylidene fluoride homopolymer resin latex containing no more than about 5% resin... |
| US-4,341,595 |
Rotary vane type evaporator A rotary vane type evaporator has a cylindrical vessel and a rotor rotatable therein. The rotor has vane supports fixed to a rotor shaft and vanes each pivotally... |
| US-4,341,594 |
Method of restoring semiconductor device performance Contaminant metal residue on an organic passivation layer of a semiconductor device is removed by plasma etching thereof whereby the performance of the device is... |
| US-4,341,593 |
Plasma etching method for aluminum-based films A plasma etching method includes placing a workpiece including an aluminum-based film with an exposed portion on a cathode arranged in opposition to an anode. A... |
| US-4,341,592 |
Method for removing photoresist layer from substrate by ozone treatment Method and apparatus for removing a photoresist layer from a substrate surface of different material, such as a semiconductor slice, in the fabrication of an... |
| US-4,341,591 |
Method of fabricating a color-selection structure for a CRT Method comprises providing a blank laminate consisting essentially of a positive-acting photosolubilizable central layer, first and second etchable metal layers... |
| US-4,341,590 |
Single surface LPE crystal growth A method and apparatus for growing liquid phase epitaxial (LPE) crystals upon only one surface of a supporting substrate. The method requiring the insertion of a... |
| US-4,341,589 |
Method for producing large surface plate or disc-shaped Si crystals with
columnar structure Large surface silicon crystal layers with a columnar structure are produced by directing a plurality of spaced-apart cooling gas streams arranged relative to one... |
| US-4,341,588 |
Semiconductor processing Crystalline semiconductor material is produced in strip or sheet form by a gas process. The corresponding amorphous semiconductor is vapour deposited on to a... |
| US-4,341,587 |
Tape dispenser A hand-held tape dispenser has a main frame supporting a tape roll feeding tape outwardly along a pivotal guide shoe past a pivotal cutter edge on a blade... |
| US-4,341,586 |
Arrangement for wrapper feeding to big paper rolls An arrangement for selecting and feeding a wrapper from a storage unit to a big paper roll or the like. The storage unit comprises several wrapper rolls of... |
| US-4,341,585 |
Devices for imparting curl to tapes Devices for deforming tape backings and which thereby impart a curl to adhesive tapes are described. One type of device comprises means whereby a tape backing is... |
| US-4,341,584 |
Multiple disc stitcher A stitcher for a tire building machine having multiple discs disposed in concentric laminated relationship for relative movement in the radial and ... |
| US-4,341,583 |
Garment bag bottom sealing machine for the garment manufacturing and dry
cleaning industries A garment bag bottom sealing machine used in a dry cleaning operation or garment manufacturing industry includes a V-link belt which receives hangers fed thereto... |
| US-4,341,582 |
Load-lock vacuum chamber An apparatus for etching one wafer while simultaneously pretreating or stripping another wafer. A module comprises a wafer etching chamber disposed within a... |
| US-4,341,581 |
Method of making leatherlike materials (B) A system for the manufacture of leatherlike materials, particularly for shoe uppers, which avoids pollution, toxicity and fire hazards and makes it possible for... |
| US-4,341,580 |
Method of forming an elongated composite laminate tube Two cooperatively rotating annular wheels are temporarily deformed against each other radially to form a contact length and are partially located in a heated... |
| US-4,341,579 |
Wire reinforced corrugated board and method and apparatus for making same A reinforced laminate and the method and apparatus for the manufacture thereof which includes the embedding of reinforcing wire elements in plastic layers and... |
| US-4,341,578 |
Method of hose production A method of hose production and product wherein a thermoplastic core tube having an outer surface has applied thereto a metallic reinforcement equipped with... |
| US-4,341,577 |
Vehicle tire and method of manufacture A high performance bicycle tire comprises a casing of untreated woven fabric in the form of a toroid about an inner tube. Preferably the threads of the fabric... |
| US-4,341,576 |
Fabricating laminated safety glass without an autoclave This invention relates to the lamination of large glass sheets using plasticized interlayer material without the use of autoclaves. Excess liquid plasticizer is... |
| US-4,341,575 |
Means for joining flexible fastener strips to film Apparatus for securing extruded flexible fasteners to thin plastic film by adhesive, attaining high speed production and permitting diverse materials which might... |
| US-4,341,574 |
Ultrasonic bond energy monitor A monitor for optimizing the ultrasonic bonding of materials by analyzing the impedance of an ultrasonic transducer used to effect the bond. The electrical... |
| US-4,341,573 |
Compositions for pulsating flares Pyrotechnic compositions in which sulfur is utilized to regulate or control the ignition or detonation of potassium nitrate and aluminum in compositions which... |
| US-4,341,572 |
Method for producing Nb.sub.3 Sn superconductors In a method for producing a Nb.sub.3 Sn superconductor which comprises drawing a composite having a core of a Nb-Hf alloy containing 0.1 to 30 atomic % of Hf and... |
| US-4,341,571 |
Method of making planar devices by direct implantation into substrate
using photoresist mask An ion implantation process uses exclusively photoresist masks to cover a substrate except in the regions to be implanted with ions. The photoresist masks are... |
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