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Patent # Description
US-4,839,073 Polyolefinic succinimide polyamine alkyl acetoacetate and substituted acetate adducts as compatibilizer...
This invention is to compatibility aids containing polyolefinic succinimide polyamide alkyl acetoacetate or trialkyl acetic anhydride adducts of the general...
US-4,839,072 Polyolefinic succinimide polyamine alkyl acetoacetate adducts
This invention is to polyolefinic succinimide polyamine alkyl acetoacetate of the general formula: ##STR1## wherein Z.sup.1 and Z.sup.3 are the same or...
US-4,839,071 Polyolefinic succinimide polyamine alkyl acetoacetate adducts as dispersants in lubricating oil compositions
This invention is to a lubricating or fuel oil composition containing polyolefinic succinimide polyamine alkyl acetoacetate adducts of the general formula: ...
US-4,839,070 Polyolefinic succinimide polyamine alkyl acetoacetate adduct dispersants
This invention is to dispersants containing polyolefinic succinimide polyamine alkyl acetoacetate adducts of the general formula: ##STR1## wherein Z.sup.1...
US-4,839,069 Olefin polysulfide compositions their manufacture and use as additives for lubricants
Compositions of olefin polysulfides having an increased solubility in mineral oils and in synthetic oils, particularly of the hydrogenated polyalphaolefin...
US-4,839,068 Polysuccinate esters and lubricating compositions comprising same
Polyesters containing hydrocarbon substituted succinic groups, including capped polyesters, and having molecular weights between about 1000 and about 4000 are...
US-4,839,067 Process for lubricating and cleaning of bottle conveyor belts in the beverage industry
A process for the maintenance of chain-type bottle conveyor belts in beverage-filling plants, more particularly in breweries, wherein the chain-type bottle...
US-4,839,066 Fabric-softening detergent
Detergent composition containing conventional surfactants and builders, a fabric-softening silicate of the smectite type, and a synthetic incrustation-inhibiting...
US-4,839,065 Fire retardant concentrates and methods for preparation thereof
The present invention is directed to an aqueous concentrate adapted to be diluted with water and used in fire control. The concentrate exhibits a viscosity of...
US-4,839,064 Method and apparatus for cleaning cooling tower basins
A method and apparatus for cleaning cooling tower basins. The apparatus includes a cleaning tool carrying a nozzle for picking up sludge within the basin, and a...
US-4,839,063 Cleaning of a body of liquid
An automatic swimming pool cleaning apparatus has a surface supply hose connected to a floating unit and a further underwater hose that is connected at one end...
US-4,839,062 Method of harvesting and harvesting device for brine shrimp eggs
A method and device for harvesting brine shrimp eggs, wherein the method comprises the steps of positioning a concentrating funnel slightly below the layer of...
US-4,839,061 Method and apparatus for treatment of hazardous material spills
Spills of hazardous materials are treated at the site of the spill using an integrated spill responder system which enables personnel to remain at a safe...
US-4,839,060 Methylated starch compositions and their use as flocculating agents for mineral wastes, such as bauxite residues
Modified starch compositions and their use for flocculating mineral waste residues, particularly the red mud containing alumina liquors from bauxite residues,...
US-4,839,059 Clad magic ring wigglers
A linear array of clad truncated magic ring segments. Each segment has an entrance and exit hole in its respective cladding magnets. The individual segments are...
US-4,839,058 On-line plasma modification method
A pliable compressible, liquid impervious bag having at least one integral part with a bag hole extending entirely therethrough. The bag includes a structure...
US-4,839,057 Water treatment system
A method and apparatus for the removal or reduction of inorganic contaminants, hardness, radionuclides, organic contaminants, odor, turbidity, discoloration, and...
US-4,839,056 Recovery and concentration of aqueous acids and bases
A process for removing and recovering a dissolved substance, either acid or a base, from an aqueous feedstream. The feedstream is contacted with an aqueous...
US-4,839,055 Method for treating blood and apparatus therefor
A method for treating a blood which comprises: separating the blood withdrawn from a patient's body with a first membrane into a condensed blood fraction containing...
US-4,839,054 Process for removing water-soluble organics from produced water
We disclose a process for removing water-soluble organics from produced water. The process comprises: acidifying the produced water with acid; contacting the...
US-4,839,053 Biomass growth process with separate aeration and media compartments
A process and an apparatus is provided for growing biomass from a supply of nutrient in a manner which permits precise control of the biomass growth environment....
US-4,839,052 Biological treatment of water
The invention provides a process for the treatment of water containing dissolved calcium ions and dissolved sulphate ions. The water is passed at a pH of 5-8,5...
US-4,839,051 Method for treating water
A method and apparatus for treating contaminated water without addition of chemical agents. A treatment zone is provided, having water-impermeable bottom and...
US-4,839,050 Skimmer system
A skimmer system is provided for structures having a floor, two side walls and at least one open end, the structure being semi-submersibly positionable in a...
US-4,839,049 Ceramic composition
An improved thermal shock resistant and generally thermal resistant ceramic composition is disclosed. The ceramic composition is compounded of aluminum oxide as...
US-4,839,048 Container for pressurized fluid
The disclosure described a pressurized fluid container comprising a fluid vessel, a sheath arrangement which may be fitted around the fluid vessel, and a...
US-4,839,047 Intermittent-action apparatus for filtering liquid
An intermittent-action apparatus for filtering liquid has a sealed casing (1) in which a hollow cylinder (8) is mounted so as to define with the casing (1) an...
US-4,839,046 Bio-reactor chamber
A bio-reactor for cell culture which provides for the introduction of fresh medium without excessive turbulent action. The fresh medium enters the bio-reactor...
US-4,839,045 Thermoplastic filter plate for a filter press
The thermoplastic filter plate is designed for a filter press comprising a plurality of the filter plates clamped together edgewise forming a plurality of filter...
US-4,839,044 Magnet filter
The known magnet filter in which a permanent magnet piece is wrapped up by a magnetically permeable plate except for at least one magnetic pole surface, is...
US-4,839,043 Liquid-to-liquid oil absorption system
A system for removing dissolved and undissolved oil from contaminated water which recycles and reclaims absorbing fluid. An absorbing fluid (CCl.sub.2 ...
US-4,839,042 Immobilized reagent for the decontamination of halogenated organic compounds
An immobilized reagent for the decontamination of fluids is described, consisting of a solid, carrier on which there are absorbed (a) polyethylene glycols, (b)...
US-4,839,041 Magnetic oil strainer
A strainer is mounted in an oil passage within a valve body constituting the hydraulic control unit of an automatic transmission. The strainer includes a frame...
US-4,839,040 Filter apparatus for removing hydrocarbon contaminants from water, particularly for purifying oil contaminated...
Filter apparatus for purifying oil contaminated water, comprising a pressure resistant container (1) having a cylindrical outer shell (2) and pressure resistant...
US-4,839,039 Automatic flow-control device
An add-on device (10) for converting a conventional manual faucet to an automatic faucet includes a body (12) that includes an adapter (14) by which the add-on...
US-4,839,038 Fluid strainer and flow corrector for fluid measurement device
A fluid strainer and flow corrector for use with a fluid flow measurement device, such as a turbine-type flow meter, consists of a generally conical grid of ribs...
US-4,839,037 Tapered, spirally wound filter cartridge and method of making same
A spirally wound filter cartridge and a method of making the same in which the cartridge includes an elongated, centrally disposed tube or mandrel, and a sheet...
US-4,839,036 Vibratory screening machine
A vibratory screening machine comprises a frame, at least two screens with meshes of different size arranged in the frame one above the other, pushers hinged to...
US-4,839,035 Cylindrical screen separator with spirally arranged clearing and conveying blades
A separator for separating different sized components from a material and which is particularly useful for separating rocks, branches and other debris from soil...
US-4,839,034 Beneficiator for recovery of metal fractions from particulate gangue
Apparatus is provided to separate heavier metal particles from lighter particles gangue in a fluidic medium by gravity and fluid flow. A vertical container...
US-4,839,033 Apparatus for separating spherical from non-spherical particles
An apparatus for separating particles in accordance with the sphericity of the particles is disclosed. The apparatus includes a housing which is supplied with...
US-4,839,032 Separating constituents of a mixture of particles
The specification describes particle-charging, specie-separating and concentration-enhancing methods and apparatus which operate on a substantially continual...
US-4,839,031 Process for performing the separation of extruded materials which may or may not show imperfections
The invention relates to a process for the separation of granulate materials, in extruded form of different lengths and of the same or different diameter. It is...
US-4,839,030 Coal liquefaction process utilizing coal/CO.sub.2 slurry feedstream
A coal hydrogenation and liquefaction process in which particulate coal feed is pressurized to an intermediate pressure of at least 500 psig and slurried with...
US-4,839,029 Process for removing arsenic from a petroleum fraction
In the present invention, a petroleum fraction containing arsenic is brought into contact with an adsorbent comprising a substrate such as an active carbon,...
US-4,839,028 Hydrotreating with catalysts prepared from hydrogels
Hydrotreating with catalysts prepared by incorporating cobalt and an element selected from the group consisting of molybdenum, tungsten and mixtures thereof,...
US-4,839,027 Catalytic reforming process
Catalytic reformng of a naphtha feed to provide high octane aromatic components employs a low acidity refractory oxide-bound intermediate and/or large pore...
US-4,839,026 Catalytic cracking with reduced emissions of sulfur oxides
Sulfur oxides are removed at least partially from the gaseous regenerator effluent of a fluid catalytic cracking unit operated with feedstock containing sulfur...
US-4,839,025 Mild hydrocracking with a catalyst containing non-hydrolyzable halogen
A catalyst containing a non-hydrolyzable halogen component is employed to mildly hydrocrack a hydrocarbon oil.
US-4,839,024 Split-feed naphtha reforming process
A naphtha feedstock is reformed by splitting the feedstock into a first C.sub.6 or lower fraction and a C.sub.7 and higher fraction, and passing the C.sub.6 and...
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