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| Patent # | Description |
|---|---|
| US-4,003,843 |
Vulcanization systems for rubber mixtures with light fillers A vulcanization system for natural and/or synthetic rubber containing light fillers comprising certain silanes, thiazoles, guanidines, and thiurams. By using... |
| US-4,003,842 |
Corrosion and scale inhibitors for industrial recirculating cooling
water systems Disclosed is a chemical composition and a process for inhibiting corrosion and scaling on metal surfaces in industrial cooling water systems. The process... |
| US-4,003,841 |
Coated stabilized bleach activators, process and washing compositions A coated stabilized bleaching assistant suitable for use in pulverulent washing and bleaching compositions comprising drop-shaped to globular-shaped particles... |
| US-4,003,840 |
Microwave absorber Microwave absorber comprising a mixture of ferrite powder having particle size of less than 1.65 mm and an organic high molecular weight compound. |
| US-4,003,839 |
Non-foaming lubrication oil A lubrication oil having improved resistance to foaming and a method for preventing foaming of lubrication oils comprising the adding of dehydrating agents to... |
| US-4,003,838 |
Water loss reduction agents Starch derivatives have been found to be effective water loss control additives in clay-free wellbore fluids. Generally the starch derivatives are starch ethers,... |
| US-4,003,837 |
Self-cleaning strainer The invention is directed towards a straining means in a cooling system which has a cooling medium inlet, a cooling medium outlet, a screen located between the... |
| US-4,003,836 |
Device for filtering a moving fluid A wash filter for tapping and filtering a portion of fluid in a moving stream has a plug mounted coaxially in a conduit receiving the stream. The plug includes a... |
| US-4,003,835 |
Fittings Fittings are provided for use as replacements in a carburetor that has stripped the threads in the casting. The fittings include a self-adjusting filter screen,... |
| US-4,003,834 |
Density gradient fractionation by piston displacement A method and apparatus for the fractionation of centrifuged density gradients have been developed. The apparatus consists of a gradient holder composed of a... |
| US-4,003,833 |
Detoxification of aqueous waste streams containing cyanide A method is provided for treating aqueous streams containing minor amounts of cyanide i.e., up to about 1000 ppm, to reduce cyanide content to less than 1 ppm by... |
| US-4,003,832 |
Method of applying ozone and sonic energy to sterilize and oxidize waste
water A tertiary waste water treatment system wherein the waste water is subjected to physical chemical processes. The waste water is treated with a coagulating agent,... |
| US-4,003,831 |
Vibration screen The herein-disclosed vibrating screen pertains to equipment used in the mining industry for a preliminary size-grading of lump material (mineral product). The... |
| US-4,003,830 |
Non-ferromagnetic materials separator A materials separator for segregating nonferromagnetic conductors from commingled nonferromagnetic materials, the separator including guide means for directing... |
| US-4,003,829 |
Method of removing contaminant from a hydrocarbonaceous fluid Method of removing a contaminant, such as arsenic or selenium, from a synthetic hydrocarbonaceous fluid comprising providing a guard bed having a plurality of... |
| US-4,003,828 |
Catalyst and process for removing sulfur and metal contaminants from
hydrocarbon feedstocks Sulfur and metal contaminants, such as nickel, vanadium and iron, are removed from hydrocarbon feedstocks, by contacting the feedstocks at an elevated... |
| US-4,003,827 |
Mercaptan conversion process for a petroleum distillate charge stock A process is disclosed for the conversion of a petroleum distillate charge stock containing mercaptan, olefinic and dienic compounds comprising the treatment of... |
| US-4,003,826 |
Hydrocarbon conversion with an acidic multimetallic catalytic composite Hydrocarbons are converted by contacting them at hydrocarbon conversion conditions with an acidic multimetallic catalytic composite comprising a combination of... |
| US-4,003,825 |
Synthetic amorphous silicas of predetermined pore distribution, method
of producing same and process of using same Novel amorphous siliceous materials having shape-selective sorption properties are prepared by a novel process of (1) hydrolyzing an organosilicon compound of... |
| US-4,003,824 |
Desulfurization and hydroconversion of residua with sodium hydride and
hydrogen Sulfur-containing petroleum oil feedstocks which include heavy constituents undergo both desulfurization and hydroconversion by contacting such feedstocks with... |
| US-4,003,823 |
Combined desulfurization and hydroconversion with alkali metal hydroxides Processes for the simultaneous desulfurization and hydroconversion of heavy carbonaceous feeds, including various sulfur-containing heavy petroleum oils, are... |
| US-4,003,822 |
Main column separation of FCC product effluent Separation of the catalyst-containing product effluent from a fluid catalytic cracking unit is effected in the main column by a technique which involves removing... |
| US-4,003,821 |
Process for production of hydrocarbon liquid from oil shale A process for producing hydrocarbon liquids in preference to gases from oil shale. The shale is introduced at the top of a reaction chamber which includes an... |
| US-4,003,820 |
Short residence time hydropyrolysis of carbonaceous material A process for treating carbonaceous material with hydrogen including adding the carbonaceous material into a first reaction zone of a reactor having at least two... |
| US-4,003,819 |
Filtration of solids suspension enhanced by applied DC potential A method of filtering solid particles contained in a suspension thereof wherein a rotatable filter assembly is rotated through the suspension to cause a filter... |
| US-4,003,818 |
Method of obtaining a micro-porous membrane and novel product thus
obtained A method of obtaining a micro-porous membrane is provided as well as the improved membrane. Said method is characterized in that a homogeneous paste is prepared... |
| US-4,003,817 |
Valve metal electrode with valve metal oxide semi-conductive coating
having a chlorine discharge in said coating Describes chlorine resistant metal electrodes, preferably of valve metals such as titanium and tantalum, having coatings of mixed metal oxides, preferably valve... |
| US-4,003,816 |
Sulfurless electrolytic concentration of aqueous sulfuric acid solutions An improved method for reducing the content of water in aqueous sulfuric acid solutions by electrolysis is provided wherein a sufficient amount of a chlorine... |
| US-4,003,815 |
Apparatus for measuring stray current electrolytic corrosion An electrolytic corrosion measuring apparatus comprising a first terminal to be connected to an electric conductor, such as a rail of electric railways, water... |
| US-4,003,814 |
Apparatus for the continuous measurement of the oxygen content of molten
copper or alloys thereof An apparatus for the continuous measurement of the oxygen content of molten copper and alloys thereof is disclosed. The apparatus comprises an austenitic... |
| US-4,003,813 |
Method of making a magnetic oxide film with high coercive force A magnetic oxide film manufacturing method is disclosed which involves the steps of sputtering a target made of iron and aluminum to form a film of non-magnetic... |
| US-4,003,812 |
Colloidal polysulfone electrodeposition compositions A conducting, non-aqueous, colloidal, polysulfone electrodeposition composition is made by mixing: (1) 1 part polysulfone polymer and 20-37 parts non-aqueous,... |
| US-4,003,811 |
Electrokinetic separation of solid particles from aqueous suspensions
thereof A process for the electrokinetic separation of finely divided clay particles from an aqueous suspension thereof, the suspension being contained in an... |
| US-4,003,810 |
Preventing discoloration in hydrolyzed ethylene-vinyl acetate copolymers A process for the hydrolysis of a solid interpolymer of an ethylenically unsaturated hydrocarbon and a vinyl ester of a 2-6 carbon atom aliphatic carboxylic acid... |
| US-4,003,809 |
Isotope separation process The instant invention relates to a process for separating a material into two or more parts in each of which the abundances of the isotopes of a given element... |
| US-4,003,808 |
Method and apparatus for regulating and controlling the anode current
and for avoiding short-circuits between... A method for regulating and controlling the anode current and for avoiding short-circuits between the adjustable anodes and the cathode of an electrolysis cell,... |
| US-4,003,807 |
Electrochemical fluorination of ketones within the pores of an anode Low molecular weight ketones are fluorinated by passing same into contact with an essentially anhydrous liquid hydrogen fluoride electrolyte within the pores of... |
| US-4,003,806 |
Silver plating bath A solution containing silver iodide, potassium iodide and a calcium salt is an improved silver electroplating bath. |
| US-4,003,805 |
System for electroplating a sequence of moving plate members A continuously operating system is provided to convey a sequence of steel plates in a generally vertical positioning to a plating station where a plurality of... |
| US-4,003,804 |
Method of electroplating of aluminum and plating baths therefor Two improved methods are described for the electrodeposition of aluminum or an alloy thereof onto an electrically conducting, preferably metallic, substrate... |
| US-4,003,803 |
Control system for preventing an excessive temperature rise in a battery
of coke ovens The control system includes a controller and a clocking circuit along with a computer for each one of the coke oven chambers. A first control signal is... |
| US-4,003,802 |
Coke guide machine for a battery of coke ovens A coke guide machine includes a shuttle car carried by rails on a coke bench for a battery of coke ovens. Movable along the shuttle car is a carriage having two... |
| US-4,003,801 |
Treatment of water vapor generated in concentrating an aqueous urea
solution Water vapor generated in concentrating an aqueous urea solution and containing a small amount of aqueous urea solution mist, ammonia and carbon dioxide is... |
| US-4,003,800 |
Styrene purification process The present invention relates to the use of quinone alkides as polymerization inhibitors in a styrene purification process. The inhibitors are prepared by... |
| US-4,003,799 |
Method for controlling heat input to the reboiler section of a
distillation column A method for regulating, or controlling heat input to the reboiler section of a fractionation column. Flow-measuring means, disposed in a substantially... |
| US-4,003,798 |
Vapor generating and recovering apparatus A vapor generating and recovering apparatus for separating one component from a second component of a liquid solution and recovering the first component... |
| US-4,003,797 |
Superatmospheric pressure shale retorting process In a continuous, solids upflow, gas downflow shale retorting process carried out at superatmospheric pressures, hydrostatic sealing means are provided at the... |
| US-4,003,796 |
Apparatus for mixing a liquid phase with a gaseous phase A vessel is adapted to accommodate a liquid phase containing a nutrient liquid and micro-organisms which are to be aerobically grown. A gaseous phase is admitted... |
| US-4,003,795 |
Process for the determination of at least one of the isoenzymes of
lactatendehydrogenase Process for the determination of at least one of the isoenzymes of lactatedehydrogenase by visually observing and recording the conversion of lactate and... |
| US-4,003,794 |
Process for producing cholesterol oxidase A process for producing a cholesterol oxidase comprising cultivating Schizophyllum commune (IFO 4928) in a culture medium and extracting the cholesterol oxidase... |
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