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| Patent # | Description |
|---|---|
| US-4,536,287 |
Piping for use in liquid collection and distribution Piping for use in liquid collection and distribution, e.g. in liquid-solid contact vessels, has an extruded pipe having on one side a pair of ... |
| US-4,536,286 |
Mobile waste water and sludge treatment for hazardous and non-hazardous
fluids A packaged, transportable waste treatment system for hazardous and non-hazardous wastes comprises a pair of mixing tanks having a flow inlet at the lower bottom... |
| US-4,536,285 |
Assembly comprising a vortex fluidic device for separating a mixture of
a liquid phase and a relatively heavy,... An assembly comprises a centrifugal separator (1) with a rotor provided with permanent openings, a circulation pump (2) and lines (6, 7) forming a circulation... |
| US-4,536,284 |
Classifier A classifier for separating particulate matter into relatively coarse and fine particles. The classifier includes a casing, at least one cylindrical screen... |
| US-4,536,283 |
Integrated process for deasphalting heavy oils using a gaseous
antisolvent The present invention relates to a process for the recovery of hydrocarbon oils from other heavier oils such as vacuum residua and, more particularly, to an... |
| US-4,536,282 |
Upgrading heavy crude oils to lighter products with a dispersed zeolite This invention provides a process for upgrading a variety of hydrocarbon oils including low-grade crudes and fractions thereof. In this process, a hydrocarbon... |
| US-4,536,281 |
Large pore catalysts for heavy hydrocarbon conversion Disclosed is a catalyst, a method for its preparation, and a process for its use in the production of high octane gasoline and/or other valuable liquid... |
| US-4,536,280 |
Visbreaking process An improved visbreaking process having a lower utilities (heating fuel) cost is disclosed. The feed stream is heated by indirect heat exchange against the... |
| US-4,536,279 |
Enhanced recovery of hydrocarbonaceous fluids from oil shale The present application relates to a method for enhancing the recovery of hydrocarbonaceous fluids from oil shale containing organic carbon material which... |
| US-4,536,278 |
Shale oil stabilization with a hydrogen donor quench A process is provided to produce and stabilize shale oil. In the process, raw oil shale is retorted with heat carrier material to liberate an effluent product... |
| US-4,536,277 |
Shale oil stabilization with a hydrogen donor quench and a hydrogen
transfer catalyst A process is provided to produce and stabilize shale oil. In the process, raw oil shale is retorted with heat carrier material to liberate an effluent product... |
| US-4,536,276 |
Hydrogen conservation in hydrogen recycle hydroconversion processes There is disclosed a system for measuring and controlling the concentration of hydrogen in hydrogen recycle processes used in oil refineries and petrochemical... |
| US-4,536,275 |
Integrated two-stage coal liquefaction process This invention relates to an improved two-stage process for the production of liquid carbonaceous fuels and solvents from carbonaceous solid fuels, especially coal. |
| US-4,536,274 |
pH and CO.sub.2 sensing device and method of making the same A transcutaneous blood carbon dioxide sensor together with a method for making such a sensor and for making electrodes used in the sensor. The sensor comprises a... |
| US-4,536,273 |
Diffusion barrier for aluminium electrolysis furnaces Diffusion barrier for electrolysis furnaces for the preparation of aluminium by electrolysis of alumina dissolved in a fluoride melt. The diffusion barrier... |
| US-4,536,272 |
Porous electrode The invention relates to a porous electrode at least containing a porous catalytic layer, which layer at least contains 3-30 parts by weight of mouldable... |
| US-4,536,271 |
Method of plasma treating a polymer film to change its properties A method of treating a polymer film to alter its physical properties, comprising exposing the film to an ionized plasma in a vacuum environment with the ionizing... |
| US-4,536,270 |
Apparatus and method for shielding magnetic heads during a sputtering
operation In the process for manufacturing the ferrite cores used in magnetic data transducer heads, a novel stacking of the bars from which the core pieces are cut allows... |
| US-4,536,269 |
Multichamber two-compartment electrodialytic water splitter and method
of using same for acidification of... An apparatus is disclosed for generating an acidified aqueous salt solution and an aqueous base in a multichamber two-compartment electrodialytic water splitter... |
| US-4,536,268 |
Process for the reduction of the viscosity of high solids pigment
slurries A process for the reduction of the viscosity of high solids pigment slurries is disclosed whereby the slurries are subjected to electrodialysis utilizing an... |
| US-4,536,267 |
Plastic lens of neopentyl glycol dimethacrylate copolymerized with
methoxy diethylene glycol methacrylate or... There are provided acrylic plastic lenses having a wide range of refractive indices as well as excellent physical and optical properties by polymerization of... |
| US-4,536,266 |
Process for the fluorination of a surface layer of formed bodies made of
plastics Method for the fluorination of a surface layer of articles molded from plastic, vulcanized rubber or other such macromolecular substances by the exposure of at... |
| US-4,536,265 |
Siloxane polyphotoinitiators of the substituted acetophenone type An organopolysiloxane photoinitiator having an average of at least two siloxane units, of which at least an average of one siloxane unit per organopolysiloxane... |
| US-4,536,264 |
Method for electrolytic treatment A method for continuously electrolytically processing a metal web in which the consumption rate of graphite electrodes is remarkably reduced. Auxiliary anodes... |
| US-4,536,263 |
Process for generating halogen using novel electrolysis cell An electrolysis cell comprising a housing containing a plurality of alternating anode units and cathode units and an ion permeable membrane sheet disposed... |
| US-4,536,262 |
Preparation of poly(heteroaromatics), and films obtained by this method Poly(heteroaromatics) are prepared by electrochemical polymerization, in particular anodic oxidation, of a monomeric heteroaromatic compound in an aqueous... |
| US-4,536,261 |
Alkaline bath for the electrodeposition of bright zinc A zinc electroplating bath comprising as a brightener additive a reaction product of an heterocyclic pentagonal or hexagonal compound with a cyclic carbonate;... |
| US-4,536,260 |
Thin film cadmium selenide electrodeposited from selenosulphite solution A process for electrodepositing a thin layer of cadmium selenide on a suitable substrate is disclosed. The substrate is immersed in an electrolyte bath with pH... |
| US-4,536,259 |
Cathode having high durability and low hydrogen overvoltage and process
for the production thereof A cathode having high durability and low hydrogen overvoltage comprising an electrode substrate and an alloy layer formed thereon, characterized in that said... |
| US-4,536,258 |
Distilling apparatus operating on the thermocompressor principle Distillation apparatus is disclosed which operates according to the so-called thermocompressor principle and which incorporates tubular means disposed within the... |
| US-4,536,257 |
Desalination system In the preferred embodiment, a partition divides an upper chamber into an evaporating chamber and a condensing chamber with a fan in the partition transferring... |
| US-4,536,256 |
Solvent recovery apparatus A solvent recovery apparatus including a housing having an open top tank therewithin for receiving a flexible bag. A bag holder member is removably mounted... |
| US-4,536,255 |
Extended nip press An extended nip press having a press nip formed between a first press roll and a looped traveling belt wrapping a portion of the roll with the belt having a... |
| US-4,536,254 |
Ammonium and amine salts of di-perfluoroalkyl group containing acids and
compositions and use thereof Ammonium and amine salts of acids having the formula ##STR1## wherein R.sub.f is a perfluoroalkyl group; R.sub.1 is alkylene or substituted alkylene; X is... |
| US-4,536,253 |
Process for controlling the properties of white liquor In the causticization part of the sulphate process the conductivity of the green liquor and the white liquor is measured, and the specific gravity of the green... |
| US-4,536,252 |
Laser-induced production of nitrosyl fluoride for etching of
semiconductor surfaces Nitrosyl fluoride is prepared by laser-induced method wherein the nitrosyl luoride is produced in situ or in close proximity to where it is used to etch... |
| US-4,536,251 |
Method for eliminating laser-induced substrate fissures associated with
crystallized silicon areas A method for eliminating laser induced substrate fissures associated with laser annealed crystallization of patterned silicon areas, for increasing the yield of... |
| US-4,536,250 |
Method of making liquid jet recording head A method of making a liquid jet recording head having a liquid discharge section including orifice means for discharging the liquid to form flying droplets... |
| US-4,536,249 |
Integrated circuit processing methods An integrated circuit processing method comprises the formation on a substrate of a metallized conductor pattern. A layer of insulating material is formed over... |
| US-4,536,248 |
Strapping apparatus An improved apparatus is disclosed in which a tensioned plastic strap loop is placed about an article. The invention includes a laterally adjustable forward... |
| US-4,536,247 |
Method and apparatus for foil-capping bottles There is described an apparatus and a method for the foil-capping of bottles with a patch of metal foil having a point and an adhesive back, comprising (a)... |
| US-4,536,246 |
Flexible duct forming apparatus A flexible duct forming apparatus and method in which flexible strip material is wrapped on a rotating mandrel in a helical path, with the edges of the flexible... |
| US-4,536,245 |
Low formaldehyde emission urea-formaldehyde resins containing a melamine
additive A melamine-urea-formaldehyde resin characterized by a low rate of formaldehyde emission when cured. Made by a process where the initial reaction mixture has an... |
| US-4,536,244 |
Methods and apparatus for locking the facing edges of carpet backings
directly together at the seam during a... A carpet seaming iron of the kind used for making face seams with hot melt adhesive tapes forms a raised center bead in the molten adhesive produced behind the... |
| US-4,536,243 |
Method and apparatus for making a metal can A method of, and apparatus for, manufacturing a metal can (1) with an annular seam (5) which is capable of withstanding high internal pressures and resisting... |
| US-4,536,242 |
Method and apparatus for retreading vehicle tires A method and apparatus for retreading vehicle tires. A carcass is provided with a prevulcanized tread and an unvulcanized tie-gum layer between the carcass and... |
| US-4,536,241 |
Method of making a titanium dioxide oxygen sensor element with fast
transient response This specification discloses a method of making a titanium dioxide element (20) which can be used as an oxygen sensing element. The method involves the selection... |
| US-4,536,240 |
Method of forming thin optical membranes Edge-supported and fully supported membranes having substantially uniform thickness, and substantially parallel surfaces, and having the capacity to transmit at... |
| US-4,536,239 |
Multi-layer circuit board inspection system An inspection system for use in the fabrication of circuit boards of multiple, precisely registered layers. Each layer that is to be precisely registered within... |
| US-4,536,238 |
Method and apparatus for aligning a chuck for holding an information
containing disc stylus A chuck is shown for holding a stylus during manufacturing of the stylus. The invention includes a method of aligning the chuck and apparatus therefor. The chuck... |
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