Searching:
Search by keyword, patent number, inventor, assignee, city or state:
| Patent # | Description |
|---|---|
| US-4,419,220 |
Catalytic dewaxing process Hydrocarbon feedstocks such as distillate fuel oils and gas oils are dewaxed by isomerizing the waxy components over a zeolite beta catalyst. The process may be... |
| US-4,419,219 |
Adsorption of basic asphaltenes on solid acid catalysts Basic asphaltenes are selectively removed from asphaltene-containing hydrocarbon feeds by contacting the feed with a solid acid, such as a solid acid cracking... |
| US-4,419,218 |
Catalytic conversion of shale oil Zeolite catalysts having a low constraint index maximize conversion of hydrotreated shale oil primarily to the preferred 400-600.degree. F. boiling range... |
| US-4,419,217 |
Process for improving the yield of shale oil Spent shale is treated with a mixture of methanol and water at moderate temperatures whereupon the treating mixture is removed and the treated spent shale is... |
| US-4,419,216 |
Process of recovering oil from oil-containing materials In a process of recovering oil from oil-containing minerals on a traveling grate, hot gases are passed through the bed in a retorting zone, oil is separated from... |
| US-4,419,215 |
Method of pre-heating particles of a hydrocarbon-bearing substrate and
an apparatus therefor Hydrocarbon-bearing substrate particles are pre-heated by heating the same with a solid heat-bearing medium by indirect counter-current flow using a series of... |
| US-4,419,214 |
Process for the recovery of shale oil, heavy oil, kerogen or tar from
their natural sources A method of recovering hydrocarbon substances such as oil and tar from naturally occurring mineral matter such as oil shale and young coal ranks, which comprises... |
| US-4,419,213 |
Oxygen sensing element formed as laminate of thin layers on substrate
provided with heater and lead wires An oxygen sensing element of the type having a solid electrolyte oxygen concentration cell formed as a laminate of thin layers on a ceramic substrate in which a... |
| US-4,419,212 |
Combination gas oxygen concentration and combustion light sensor To permit simultaneous evaluation of the light as a consequence of combustion in the combustion chamber of an internal combustion (IC) engine, and evaluation of... |
| US-4,419,211 |
Gas analysis sensor for measuring concentration of gas constituent In an instrument with a sensor for gas analysis which, based on the principle underlying its measurement, indicates the partial pressure of the gas constituent... |
| US-4,419,210 |
Polarographic electrode An improved 3-pole membrane electrode for polarographic measurements in which an auxiliary electrode is defined having an arc which is generated by rotation... |
| US-4,419,209 |
Solid polymeric electrolyte A strong, relatively inert filter cloth is impregnated with an ion exchange resin to provide, for an electrofiltration process, a reinforced solid polymeric... |
| US-4,419,208 |
Raney alloy coated cathode for chlor-alkali cells An improved cathode with a conductive metal core and a Raney-type catalytic surface predominantly derived from an adherent Beta (NiAl.sub.3) crystalline... |
| US-4,419,207 |
Electrolytic halogen generators The invention concerns a halogen generator submersible in water, the anode and cathode being separated by a salt bed, the chlorine generated at the anode being... |
| US-4,419,206 |
Electronic water treating device An electronic water treating device comprising a brass body from which projects a graphite anode and to which is secured a stainless steel canister which... |
| US-4,419,205 |
Apparatus for preparing meat food products having reduced shrinkage Meat food product having minimal shrinkage upon cooking is prepared by treating meat with an aqueous solution of an edible chloride salt present at at least... |
| US-4,419,204 |
Installation for the electro-deposition of metals, particularly aluminum An installation for electro-depositing metal, such as aluminum, on elongated goods such as tapes or wires characterized by a tubular cell, which is closed to the... |
| US-4,419,203 |
Apparatus and method for neutralizing ion beams Apparatus is described for neutralizing high intensity ion beams. A technique for neutralizing a positive ion beam from internally plasma produced electrons is... |
| US-4,419,202 |
Metal coatings In the practice of the sputter ion plating of refractory metals or refractory metal compounds on substrates to form smooth dense substantially porous-free... |
| US-4,419,201 |
Apparatus and method for plasma-assisted etching of wafers In a plasma-assisted etching apparatus and method designed to pattern aluminum or polysilicon, surfaces in the reaction chamber are coated with a layer of... |
| US-4,419,200 |
Electrical coalescense of liquid emulsions An improved process for electrically coalescing water-in-oil emulsions in an AC electrical field, wherein the improvement comprises using insulated electrodes... |
| US-4,419,199 |
Process for phosphatizing metals A process for the phosphatizing of metals, particularly iron, steel and zinc, in which the metal is contacted with acidic aqueous zinc phosphate solutions,... |
| US-4,419,198 |
Purification of methioine hydroxy analogue hydrolyzate by electrodialysis A process for separating anions, such as sulfates, chlorides and phosphates, and cations, such as ammonium and hydrogen ion, from methionine hydroxy analogue... |
| US-4,419,197 |
Process for cross-linking of non-polar polymers in high frequency
electric alternating fields The present invention provides a process for cross-linking non-polar polymers in a high-frequency electric alternating field with the use of a peroxide as... |
| US-4,419,196 |
Production of molded products based upon a two-component hydraulic
mineral resin Molded products based on a two-component mineral resin are produced, starting from a mixture of magnesium oxide, magnesium chloride, and water by triggering... |
| US-4,419,195 |
Electrolytic recovery of cobalt oxo catalysts According to one embodiment of the improved process of this invention, dicobalt octacarbonyl is produced in liquid medium by subjecting an aqueous solution of a... |
| US-4,419,194 |
Method and apparatus for continuously chromium-plating A method for removing the hydrogen in the continuous chromium-plating process of large bars or long-shaped pieces and the like; according to the invention, the... |
| US-4,419,193 |
Method for making hollow pendants A method for making hollow pendants of copper plate without any holes therein so that electrolyte does not flow into the hollow of the pendants during... |
| US-4,419,192 |
Method for galvanic deposition of copper In a method for galvanic deposition of smooth and ductile copper from acid copper baths, the metal content of the bath is kept constant by using inert anodes... |
| US-4,419,191 |
Electrochemical monitoring method A modified alkaline peroxide pre-bond process for the surface treatment of titanium is useful as a practical production process. In this modified process, an... |
| US-4,419,190 |
Method and apparatus to measure the operating temperature of solid
electrolyte-type gas sensors To provide for temperature measurement of a solid electrolyte polarographic gas composition sensor, an ac signal is superimposed from an ac voltage source (2) on... |
| US-4,419,189 |
Distillation of 1,4-butanediol Excess water and color-forming materials present in crude 1,4-butanediol are reduced by subjecting the crude 1,4-butanediol to distillation under conditions... |
| US-4,419,188 |
Thermally coupled extractive distillation process Thermally coupled extractive distillation; a feed stock (for example, a C4 or C5 cut from an ethylene plant) is distilled by thermally coupled extractive... |
| US-4,419,187 |
Apparatus and method for thermal membrane distillation Apparatus and method for improved thermal membrane distillation utilizes a composite membrane comprised of a microporous lyophobic layer having deposited thereon... |
| US-4,419,186 |
Process for making strong metallurgical coke The strength and density of a metallurgical coke produced in a slot coke oven are both increased by replacing at least a part of the normal loose charge in the... |
| US-4,419,185 |
Pyrolysis system with hot gas recirculation A process and system for continuously pyrolyzing organic feedstock produces a solid carbonaceous residue of controlled volatility, in a manner that is highly... |
| US-4,419,184 |
Method for control of chemicals during gas treatment of suspensions A method of treating medium consistency paper pulp or the like with a treament gas, such as oxygen, is provided to achieve uniform treatment results. The... |
| US-4,419,183 |
Etchant An etchant, especially for copper, comprising sulfuric acid and hydrogen peroxide and characterized by the inclusion of a small amount of tungsten in an amount... |
| US-4,419,182 |
Method of fabricating screen lens array plates A method of fabricating lens and aperture array plates in silicon using photo or electron beam lithographic patterning followed by indiffusion of boron and... |
| US-4,419,181 |
Method for etching metallic sheet The invention provides method for etching a metallic sheet. The method includes a first step of forming an anticorrosive pattern defining apertures on one... |
| US-4,419,179 |
Method of vapor phase growth A method of vapor phase growth of GaAs under kinetically limited growth conditions, by which an epitaxial layer of GaAs having an enhanced thickness uniformity... |
| US-4,419,178 |
Continuous ribbon epitaxy A process for growing an epitaxial ribbon of mono-crystalline material involves formation of an endless belt of monocrystalline composition. The belt is driven... |
| US-4,419,177 |
Process for electromagnetically casting or reforming strip materials A process for electromagnetically containing and forming molten material into a desired thin strip shape. At least two inductors are employed which are powered... |
| US-4,419,176 |
Apparatus comprising arrangement of vacuum cups to assemble one or more
bent glass sheets with a sheet of... This invention relates to an arrangement of vacuum cups in a bent glass sheet sandwich assembly apparatus and a method of using said arrangement that provides a... |
| US-4,419,175 |
Laminating device for lettered tape A device for laminating a piece of adhesive coated laminating tape onto a section of lettered tape comprising a housing having a first roller rotatably mounted... |
| US-4,419,174 |
Apparatus for manufacturing ostomy pouches Ostomy pouches are manufactured by partially contour welding two pouch walls one of which has a stoma aperture over an area extending from the top edge of the... |
| US-4,419,173 |
Method of producing corrugated cardboards and apparatus Disclosed is an improved method of producing corrugated cardboards, in which water suspension of raw starch is used as an adhesive. The raw starch is, after... |
| US-4,419,172 |
Adapter for automatic tape laying machine An improvement for a system employing a heated iron V-shaped soleplate adapter to lay hot-melt tape in a "V" joint between building wall panels includes coacting... |
| US-4,419,171 |
Portable labeling machine The machine intended for printing two lines of characters of different color (8, 9) on self-adhesive labels comprises two printheads mounted in a rocking housing... |
| US-4,419,170 |
Automated lay-up machine An automated lay-up machine for the fabrication of composite structures comprising an upper carriage (12) which carries a material handling system (14) and a... |
Copyright 2008−2012 Patents.com
