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Patent # Description
US-4,059,551 Mortar compositions
Novel aqueous non-hydraulic mortar compositions are disclosed comprising a film-forming, water-dispersible, room temperature cross-linkable polymer and a...
US-4,059,550 Aqueous dispersions of polyhydroxy polyether resins and aminoplast resins
Coating compositions are prepared from aqueous dispersions of polyhydroxy polyether resins and aminoplast or phenolplast resins catalyzed with adducts of...
US-4,059,549 Moisture-hardenable sealing and coating compounds
A sealing and coating compound hardening in the presence of moisture and comprising a mixture of A. an addition product formed between an excess of a di- or...
US-4,059,548 Hexahydropyrimidine-1,3-diacetonitriles and processes for preparing the same
N,N'-Dicarboxymethyl-1,3-propanediamine (designated PDDA) is prepared by reacting 1,3-propanediamine with formaldehyde and HCN to form ...
US-4,059,547 Paint manufacture
A pigment dispersant suitable for use in making a series of paints, the dispersant being a copolymer of defined proportions of ethylenically unsaturated monomers...
US-4,059,546 Textile fiber blend comprising cellulosic fibers and ethylene 2,6-naphthalene dicarboxylate-halogenated...
A flame-retardant filament-forming copolyester of at least 75 mol % of ethylene-2,6-naphthalene dicarboxylate units and at least 3 mol % up to 25 mol % of...
US-4,059,545 Crosslinked styrene polymer foam having suppressed ignition properties
A monovinylidene aromatic polymer foam having reduced propensity to ignite is produced by (1) foaming a copolymer of monovinylidene aromatic monomer and an...
US-4,059,544 Active material compositions with porous protective sheath and method for preparing
A particulate composition composed of a core of active material and a protective sheath having communicating micro pores to permit access of reactants to the...
US-4,059,543 Clinoptilolite sorbent
Clinoptilolite is exchanged to the ammonium form and then treated with a dilute solution of a strong acid. An adsorbent for acid gases of improved capacity and...
US-4,059,542 Organo-phosphorous catalyst composition and process for making the same
Catalyst composition for the dimerization of acrylonitrile comprising an organo-phosphorus compound of formula ##STR1## bonded to a matrix of an inorganic...
US-4,059,541 Platinum colloid sol and method of forming same
This disclosure deals with novel very fine, particulated colloidal platinum of the 15-25 Angstrom size range of unusual catalytic activity and particularly...
US-4,059,540 Process for making colloidal sols of antimony pentoxide in polar organic solvents
A colloidal dispersion of hydrous antimony pentoxide particles is made by a process which comprises introducing particles of an oxidizable antimony oxide into a...
US-4,059,539 (U,Zr)N alloy having enhanced thermal stability
A nitrided alloy of uranium and zirconium is provided which consists of a single-phase UN structure containing a dissolved amount of Zr as ZrN, effective to...
US-4,059,538 Method for preparing granulated detergent formulations
Detergent formulations are granulated commercially by spray drying a slurry of the formulation. There is now proposed a method in which the components in powder...
US-4,059,537 Piezoelectric material
A piezoelectric material and a method of producing a piezoelectric material which has a low temperature coefficient of resonant frequency, a low hysteresis, a...
US-4,059,536 Improved process for preparing superbasic detergent additives
New superbasic detergent additives are manufactured in two steps. The first step comprises the reaction of a sulfonic acid with an excess of oxide or hydroxide...
US-4,059,535 Ashless detergent additives for fuels and lubricants
A long chain monocarboxylic acid is reacted with a multi-amine to produce an amide and the amide is then treated with sulfonic acid to produce a sulfonate to...
US-4,059,534 Hydrocarbon/silicon oil lubricating compositions for low temperature use
A low temperature lubricant oil composition having improved viscosity-temperature properties, lubricating properties and pour point is described. The composition...
US-4,059,533 Oxygen scavenging methods and additives
This invention relates to methods and additives for scavenging oxygen dissolved and entrained in liquids which are particularly suitable for removing dissolved...
US-4,059,532 Phosphorus-containing reaction products useful as flameproofing agents
Phosphorus-containing reaction products are provided which are formed from: A. an amidophosphate of the formula ##STR1## in which R.sub.1 and R.sub.2 each are...
US-4,059,531 Automatic sludge extraction and washing device for use in a water treatment settling apparatus
A settling apparatus includes a decanter having a sludge bed therein. A raw water inlet leads raw water to be treated into the decanter, such that the raw water...
US-4,059,530 Dialyzer cartridge of roll type particularly for extracorporal artificial kidneys
A dialyzer cartridge of roll type particularly suitable for artificial kidneys, comprising two layers of strip form facing each other and a dialyzing membrane...
US-4,059,529 Baffle for water or sewage settling tanks
A baffle for use in sewage or water settling tanks and the like which helps in establishing a substantially uniform flow of liquid down the tank across its...
US-4,059,528 Cartridge filter
Compressible particulate sorbing or filtering media are contained in a filter cartridge comprising a split frame having peripherally disposed inwardly facing...
US-4,059,527 Pretreatment filter press dewatering system
An improved water removal in a filter press used in sludge treatment processes, typically in a sewage plant, is provided through the addition of a pretreatment...
US-4,059,526 Device for collecting light-weight substances floating on a liquid surface
In an apparatus for collecting light-weight substance floating on a liquid the light-weight substance is sprayed with the aid of a liquid jet into an accumulator...
US-4,059,525 Slide filters
A slide filter for filtering plastic stock and other materials having a slide plate movable within a housing, across the path of material flow. The housing...
US-4,059,524 Water purifying device without movable mechanical part in contact with the liquid to be treated
The present invention relates to a water purifying device for treating the waste and cess water from an individual or collective house. Such a water purifying...
US-4,059,523 Column for use in high speed liquid chromatography
A column used for high speed liquid chromatography which is characterized in (a) eminent separating ability suitable for microanalysis while having a small...
US-4,059,522 Apparatus for purifying water
Apparatus for purifying water comprising a fitting for installation in a water line to define a primary water flow path. A Venturi tube is mounted in the fitting...
US-4,059,521 Sewage purification system
A sewage purification system for purifying liquid sewage containing biologically degradable solid waste material. The sewage is subjected to successive treatment...
US-4,059,520 Apparatus for filtering and heating a liquid
A longitudinally extending housing contains an element for filtering a liquid and an element for heating the liquid. The housing is internally divided into a...
US-4,059,519 Pump basket strainer and assembly
An upright strainer basket for reception in a housing primary chamber having an upper fluid inlet port and a lower fluid outlet port. The basket has: A....
US-4,059,518 Filter with axially shiftable rotating backwash selector
A filter assembly including a housing with a plurality of individual filter units circumferentially arranged within the housing. The housing is compartmented to...
US-4,059,517 Liquid separation apparatus and method
Apparatus and a method for gravity separating lighter and heavier liquids are disclosed, the apparatus including a vessel with its interior divided by a...
US-4,059,516 Process for treating wool scouring wastes
An improved process for treating wool scouring wastes liquors in which the waste liquors are first cooled before acid and collodial bentonite are added; then the...
US-4,059,515 Process for clarification of oil-containing waste
The present disclosure is directed to a process of separating oil from oil-containing wastewater which comprises treating the wastewater with a water-soluble...
US-4,059,514 Method for purification of industrial waste water
A process is provided for treating industrial waste water wherein suspended material and cyanides which are ordinarily dissolved in the water are treated...
US-4,059,513 Treatment of water to remove certain ions therefrom
High sulfate content water is treated in a multistage process to remove sulfate and hardness. Sulfate concentration is reduced in the first stage of the process...
US-4,059,512 Process for removing endotoxin from biological fluids
A novel process for removing endotoxin from biological fluids such as parenteral fluids and for removing or reducing the level of endotoxin from the blood of...
US-4,059,511 Method for clarifying waste water containing finely divided oily materials
Waste water containing finely divided oily materials and solid materials suspended therein can be clarified by (1) forwarding the waste water successively...
US-4,059,510 Magnetic separators
A wet magnetic separator has a rotor formed on its periphery with a through annulus which is defined by two concentrically arranged non-magnetic walls and is...
US-4,059,509 Phosphate ore flotation
The washing step that usually follows the deoiling of phosphate rougher concentrate is eliminated by adding lime to said rougher concentrate following the deoiling.
US-4,059,508 Conveyor for granular material
A conveyor for granular material includes an elongated hollow channel covered by a suitable cover and having a hollow interior along which the granular material...
US-4,059,507 Classifying apparatus for particulate materials
In classifying apparatus of the type wherein upward whirling flow of fluid is used to separate coarse and fine particles of the particulate material, rotary...
US-4,059,506 Ore tailings treatment
Ore tailings at the terminus of a spiral concentrator are first split by a novel splitter box into value-rich and value-poor streams determined by the...
US-4,059,505 Separating hydrocarbons
Molecular sieve pressure swing separating process is modified by stopping the feed before the end of the adsorption stage and passing a mixture richer in...
US-4,059,504 Hydrotreating of pyrolysis gasoline
Pyrolysis gasoline is stabilized by hydrotreating in the presence of a catalyst of cobalt-tungsten sulfide supported on high surface area alumina. Dienes are...
US-4,059,503 Stripping ammonia from liquid effluent of a hydrodenitrification process
A nitrogen containing feedstock is hydrodenitrified by passing the feed through at least two hydrodenitrification zones, with ammonia produced in the...
US-4,059,502 Catalyst withdrawal
In an upflow, ebullated bed reactor using a heterogeneous catalyst, a transport liquid compatible with the catalyst and the reactor feedstock is used. During the...
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