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Patent # Description
US-3,951,830 Basic metal salts of sulfur- and methylene-bridged polyphenol compositions, and epoxide-reacted derivatives...
Novel polyphenol compositions are prepared by successively reacting a phenol with formaldehyde or a reversible polymer thereof and sulfurizing the same with...
US-3,951,829 Two-cycle and rotary combustion engine lubricant
An improved two-cycle and rotary combustion engine lubricant comprising a 2-cycle engine oil, an additive comprising between about 54 wt. % and 74 wt. % of a...
US-3,951,828 Process of injecting a micellar dispersion into a subterranean reservoir
The injectivity of micellar dispersions containing wax within the hydrocarbon phase is improved by incorporating into this phase about 0.01-10 percent by weight...
US-3,951,827 Composition and method for removing insoluble scale deposits from surfaces
Compositions comprising aqueous solutions of chelating compounds and synergistic inorganic fluorides are effective agents for removing insoluble scale deposits...
US-3,951,826 All purpose liquid detergent
A single phase, all purpose heavy duty liquid detergent composition which contributes softening and antistatic properties to the laundry consisting essentially...
US-3,951,825 Textile treating composition and textile yarn treated therewith
Textile treating compositions which are particularly adaptable for use on partially oriented textile yarn. These textile treating compositions contain a blend of...
US-3,951,824 Dry drilling fluid composition
A dry powdered drilling fluid composition and method of use thereof prepared by mixing together under conditions of high shear a major portion of water and a...
US-3,951,823 Foam well cleanout using oligomeric sulfonates
Organic disulfonic acids are produced by heating a sulfonate monomer at a temperature above 110.degree.C. in the substantial absence of water. Olefin sulfonation...
US-3,951,822 Fire retardant composition for urethane polymers
A composition comprising a metal salt of a carboxylic acid in conjunction with a beta-haloethyl phosphate has been found useful as a flame retardant for urethane...
US-3,951,821 Disintegrating agent for tablets
Disintegration of tablets is improved by the incorporation therein of a plurality of small tubules. The tubules can be prepared by subdivision of hollow fibers...
US-3,951,820 Mixture of cinnamylphenols and normally spoilable substance
Substances which are subject to microbial spoilage are preserved by addition of a cinnamyl phenol, e.g., 2-cinnamyl-phenol, 4-cinnamyl-phenol, ...
US-3,951,819 Sludge removal system
A sludge removal system for use in the removal of settled sludge collected on the bottom surface of a circular clarifier. The system includes a plurality of...
US-3,951,818 Chevron clarifier
This clarifier comprises a plurality of separation elements stacked within a vessel in vertical columns so as to provide a plurality of single stage separation...
US-3,951,817 Sewage treatment tank and tube settler
A sewage treatment tank formed in upper and lower halves which engage each other along a parting line. The tank has an aeration chamber and an outlet chamber...
US-3,951,816 Clarification tank
A clarification tank having a plurality of pick-up trays and a central collection column which is connected to an externally located riser having a high volume...
US-3,951,815 Composite semipermeable membranes made from polyethylenimine
Composite semipermeable membranes are made by reacting a film-forming polymer with a cross-linking monomer to form a polymeric ultrathin film having...
US-3,951,814 Coalescing unit for gravity separator
A new separator that incorporates a new separator element is provided for removing a dispersed liquid phase from a continuous liquid phase. The new separator...
US-3,951,813 Fluid separator or mixer
A fluid separator or mixer having a rotatable spiral conduit with transverse interior abutments with openings therein providing fluid communication between the...
US-3,951,812 Water extractor
An improved device for soaking up water that is collected in the bottom of an oil tank, and removing the water therefrom; the device comprising a porous envelope...
US-3,951,811 Modular container
A modular container which includes a housing frame containing particulate material through which contaminated liquid is passed for purposes of purification. The...
US-3,951,810 Oil skimmer module with free floating weir trough
A skimmer for removal of a layer of oil or other floating pollutants from the surface of a body of water incorporating a sump box having a pump disposed therein...
US-3,951,809 Filter press
A web filter press for the removal of liquid from sludge having an upright converging filtering space into which sludge is received from above, a dandy roll at...
US-3,951,808 Filter presses
A filter press having at least one movable bar extending lengthwise of the press, means for imparting constant length reciprocating movements to the or each bar,...
US-3,951,807 Water conditioning apparatus
An apparatus for the treatment of water which includes an elongated magnet having a multiplicity of longitudinally spaced poles enclosed in an inner casing of...
US-3,951,806 Clarifier apparatus
Apparatus for feeding the raw influent water into a center post clarifier including an uptake zone defined around the center post forming an eductor tube having...
US-3,951,805 Algae harvester
From a water medium, a harvester recovers algae useful as animal feed. The harvester has a preferably endless, movable belt screen. A coating device puts a first...
US-3,951,804 Aerated sewerage disposal
Odor suppression in a septic tank sewage system involves reception of sewage in a septic tank wherein solids are allowed to settle; receiving liquids discharging...
US-3,951,803 Marine sewage disposal device
A marine sewage disposal device connectable to a toilet and flushed by water, in which the sewage is macerated to small particle size, subjected to heat and...
US-3,951,802 Water softener
A water softener has a salt container with an inlet duct which can be connected to a source of water to be softened, through a valve unit, and at least two...
US-3,951,801 Serum/plasma separator-strut stop type
A blood collection and separator assembly of the type suitable for use in centrifuging blood to separate the plasma or serum, the light phase, from the cellular...
US-3,951,800 Method of storing sludge recovered from the hot water extraction of bitumen from tar sands
An environmentally attractive method for storing sludge containing water, mineral matter, bitumen, and liquid hydrocarbon formed in a retention pond used to...
US-3,951,799 Filtration process
A method of phase separation using ferromagnetic materials. A mixture of phases is treated with particles or granules of ferromagnetic material so that one of...
US-3,951,798 Container filter combination
The disclosed apparatus is a dispensing device which includes a filter member, a cap member having seating means within same for temporarily retaining the filter...
US-3,951,797 Photooxidative destruction of organic wastes
A method for promoting the photooxidative destruction of organic waste pollutants by use of gelled metal alginate particles which have been stained with a dye...
US-3,951,796 Oil recirculating toilets
A method for preventing a flushing oil used in recirculating toilets from turning yellow and having an offensive odor when contacted with animal waste products...
US-3,951,795 Process and apparatus for treating fatty waste water
A system for cleanup of waste waters of the type characteristically produced in food-processing operations. Such waste waters typically contain significant...
US-3,951,794 Geothermal power method
Disclosed are a system and method for extracting heat from hot unrefined water for the purpose of using this heat to do useful work, and specifically for...
US-3,951,793 Method for controlling scale
Composition and method for the treatment of scale, particularly calcium and/or barium sulfate scale, using a treating composition consisting of about one part by...
US-3,951,792 Flocculation of suspended solids
Solids dispersed or suspended in aqueous systems are flocculated or precipitated by adding to said system a flocculating amount of a blend, either in dry form or...
US-3,951,791 Method for treating fouled water
An aqueous dispersion of a polymer having a cationic charge on the surface of the polymer particles is used for treatment of fouled water. Said aqueous...
US-3,951,790 Thiuram polysulfide heavy metal remover
A polymeric compound having thiuram mono- or poly-sulfide linkage shows noteworthy property for removing and collecting heavy metals from the environment....
US-3,951,789 Novel high diffusivity membranes
Novel membrane compositions are prepared from polymers comprising tertiary amine containing polyamideamine functional groups. The membranes are durable, highly...
US-3,951,788 Sludge control and decant system
A method and apparatus to automatically control the concentration of microorganisms in an activated sludge waste treatment system, consisting of establishing...
US-3,951,787 Method and apparatus for separating gold and other heavy materials from ore
Apparatus and method for separating heavy materials from ore, the apparatus having a hopper or sluice box open at its top and defining a discharge opening on one...
US-3,951,786 Oxidizing method in froth flotation of minerals
An improved method in concentration of oxide ores and minerals by froth flotation process which comprises subjecting a pulp of mineral slurry to the combined...
US-3,951,785 Classification by ferrofluid density separation
A method of separating non-magnetic particles of different densities by using a ferrofluid to produce levitation wherein compensation is made for the magnetic...
US-3,951,784 Fine powder classification by ferrofluid density separation
A method of separating small diameter non-magnetic particles of different densities by using a low magnetic saturation ferrofluid and a high magnetic gradient to...
US-3,951,783 Face seal for spherical surface
A resiliently supported face seal arrangement with arcuate seal rings that coact with spaced spherical ramps of a bearing mounting to maintain an effective seal...
US-3,951,782 Reforming with a group IIB-containing catalyst
A catalytic composition of matter comprising 0.01 to 5 weight percent of a platinum group component, 0.01 to 5 weight percent of a Group IIB component, 0.01 to 3...
US-3,951,781 Combination process for solvent deasphalting and catalytic upgrading of heavy petroleum stocks
A raffinate product of residual oil solvent extraction is upgraded in a fluid zeolite catalyst cracking operation in the presence of one or more low molecular...
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