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Patent # Description
US-4,003,993 Piglet enteritis treatment
The therapeutic composition of the invention comprises an extract obtained from the contents of at least a portion of that section of the digestive system of a...
US-4,003,992 Hydrolytic process for the preparation of amino acids
A highly efficient process for preparing a nutritionally acceptable mixture of amino acids from erythrocytes comprises the steps of denaturization, hydrolysis...
US-4,003,991 Ophthalmic formulation
An ophthalmic "ointment" comprising water, a solid water-soluble polymer of controlled molecular weight, and a medicament or therapeutic agent such as ...
US-4,003,990 Anti-inflammatory polymers, pharmaceutical compositions containing the same and process for producing said polymers
A polymer has on its macromolecular chains in the form of a lateral branching an anti-inflammator residue having a carboxylic acid function chemically linked to...
US-4,003,989 Pharmaceutical preparation
A pharmaceutical preparation, for oral ingestion after dissolution in a suitable palatable liquid, comprising in combination acetylsalicylic acid, a solubilizing...
US-4,003,988 Direct agglutination test for pregnancy
Direct agglutination reagent for pregnancy testing which comprises the use of suspensions of polystyrene latex particles sensitized with a globulin fraction of...
US-4,003,987 Waste stream treatment
The effluent streams from utility stack gases containing nitric oxides and sulfur dioxide are entrained with sulfuric acid and carbon monoxide from refinery...
US-4,003,986 Process for producing sulfur from sulfur dioxide or ammonium sulfites
A method is disclosed for treating flue gas and the like for sulfur dioxide removal and sulfur recovery. The flue gas, containing a minor but polluting amount of...
US-4,003,985 Production of sodium sulfite
Anhydrous sodium sulfite is made by a process involving introducing substantially anhydrous sodium carbonate concurrently with sulfur dioxide-containing gas into...
US-4,003,984 Production of sulfuryl fluoride
Sulfuryl fluoride is produced by reacting a gaseous mixture of chlorine, sulfur dioxide and hydrogen fluoride, at a temperature between about 125.degree. and...
US-4,003,983 Process of preparing dicyan
Cyanogen is prepared by passing hydrogen cyanide together with hydrogen peroxide into a solution of copper(II) bromide, chloride, cyanide, nitrate, or sulfate...
US-4,003,982 Safe method for thermal decomposition of nitrogen trichloride
Nitrogen trichloride normally explodes when heated to 95.degree. C. However, when a dilute solution of NCl.sub.3 in an inert solvent is heated to a temperature...
US-4,003,981 Process of making superfine amorphous high structure silicic acid
Superfine amorphous, high structure silicic acid is made by subjecting the components in the precipitation reaction, that is, an acid or acidic substance and an...
US-4,003,980 Uranium dioxide preparation
An actinide dioxide, e.g. uranium dioxide, is prepared by reacting an actinide nitrate or hydrate or tetrahydrofuranate thereof, e.g. uranyl nitrate, a hydrate...
US-4,003,979 Method of cleaning air containing carbon monoxide
Polluted air containing carbon monoxide can be cleaned by passing at ambient temperature the polluted air, firstly through a filter for adsorbing materials...
US-4,003,978 Method for treating ammonia-containing gases
A method for treating ammonia-containing gases for removing ammonia therefrom, which comprises contacting the ammonia-containing gases with a metal oxide...
US-4,003,977 Removal of tetranitromethane from TNT plant waste gases
A method of removing tetranitromethane from waste gases (e.g., from trinitrotoluene plants) by scrubbing the waste gases with a mixture of 1 an alkali metal...
US-4,003,976 Converter for the purification of exhaust gases
A converter for the purification of exhaust gases from internal combustion engines and the like which comprises a first converting layer of a catalyst of a...
US-4,003,975 Solvent extraction of copper values using dihydroxy azoarenes
Copper values are extracted from aqueous solution by dihydroxy azoarenes dissolved in a water immiscible organic solvent.
US-4,003,974 Continuous spin-drawing process for preparing polyethylene terephthalate yarns
A process is provided in which a continuous filament polyethylene terephthalate yarn having an HRV in the range of 24 to 28 is heated to a temperature in the...
US-4,003,973 Process and apparatus for producing sheet film from tubular thermoplastic resin film
A sheet film is produced from a tubular thermoplastic resin film by cooling a molten tubular film of crystalline thermoplastic resin, for example, polypropylene,...
US-4,003,972 Method of extruding tubing for fastener bags
A method for making tubular plastic material having shaped interlocking profiles thereon for use in reclosable bags by cross-cutting and sealing the material to...
US-4,003,971 Production of particles for incorporation in dentifrices
Dentifrice speckles of substantially uniform shape and size are made by agitating the material of such speckles (binder plus dentifrice component) in a liquid...
US-4,003,970 Combined wet and dry heat transfer system and method for cooling towers
An adjustably operable heat transfer system for cooling tower installations, the heat transfer units consisting of a section of only "wet" operating evaporative...
US-4,003,969 Carburetor system for internal combustion engine
A carburetor system for a gasoline engine wherein the carburetor functions are accomplished through evaporation in a chamber external to the carburetor with...
US-4,003,968 Charge forming method and apparatus
The disclosure embraces a charge forming apparatus or carburetor and method of operation thereof wherein the charge forming apparatus is of modular construction...
US-4,003,967 Electric heating and humidifying apparatus
A space heating apparatus comprising a main enclosure having a front and a rear wall, side walls and a top and bottom wall. An air inlet opening is provided in...
US-4,003,966 Selective phosphorylation process
A one step process for the preparation of phosphate esters of phenol comprising reacting phenol with a dimethyl disulfide and a trialkyl phosphite.
US-4,003,965 Phosphorus compounds
The present invention relates to new nitrogen-containing organophosphorus compounds having chloro- or bromoalkyloxy substituents bonded to phosphorus in ester...
US-4,003,964 Phenylene-bis(O,S-dialkylthiophosphates)
Thiolphosphoric acid esters of the formula ##STR1## wherein R.sub.1 represents methyl or ethyl, R.sub.2 represents propyl or butyl, R.sub.3 is a radical having...
US-4,003,963 Vinyl chloride polymer barrier packaging compositions
Blends of vinyl chloride polymers containing no carboxyl groups and about 10 to about 30 percent by weight of an ethylene/vinyl alcohol copolymer containing...
US-4,003,962 Method of preparing an easy processing polyvinyl halide by an in-process reaction
An easy processing polyvinyl halide polymer can be made by a process of reacting a vinyl ester and maleic anhydride with said vinyl halide polymer to produce a...
US-4,003,961 Linear copolymers of glycidol
Linear copolymers of glycidol, glycidyl esters of unsaturated fatty acids and, optionally, alkylene oxides, are made by the reaction of an unsaturated fatty acid...
US-4,003,960 Block copolymers
Block copolymer of the structure A-B, wherein: ##STR1## A is a polylactamic block of recurring units: t,0010 WHEREIN PM is a linear polymethylene chain...
US-4,003,959 Epoxy resin compositions containing cyclopentadiene copolymer
An epoxy resin composition comprising (I) 5 to 90% by weight of a cyclopentadiene resin, (II) 95 to 10% by weight of an epoxy resin and (III) an effective amount...
US-4,003,958 Process for producing myrcene
Myrcene is produced in a process comprising dimerizing isoprene in a solvent of a cyclic ether, N-alkylmorpholine or mixtures thereof, with 0.5 - 20 mole% of an...
US-4,003,957 Dehydrocyclization with an acidic multimetallic catalytic composite
Dehydrocyclizable hydrocarbons are converted to aromatics by contacting them at dehydrocyclization conditions with an acidic multi-metallic catalytic composite...
US-4,003,956 Hydroprocessing aromatics to cycloparaffins
A process for hydrotreating (hydroprocessing) hydrocarbons and mixtures of hydrocarbons utilizing a catalytic composite comprising a combination of a nickel...
US-4,003,955 Dehydrocyclization with an acidic multimetallic catalytic composite
Dehydrocyclizable hydrocarbons are converted to aromatics by contacting them at dehydrocyclization conditions with an acidic multi-metallic catalytic composite...
US-4,003,954 Hydroprocessing aromatics to make cycloparaffins
A process for hydrotreating (hydroprocessing) hydrocarbons and mixtures of hydrocarbons utilizing a catalytic composite comprising a porous carrier material...
US-4,003,953 Purification of TNT with magnesium sulfite-bisulfite mixtures
Crude TNT is purified by heating with an aqueous mixture of magnesium sulfite and magnesium bisulfite, whereby TNT is recovered in high yield and purity. The...
US-4,003,952 Direct hydration of olefins to alcohols
An improvement in the process for producing alcohols by the direct hydration of olefins in the presence of a catalyst, where the reactor effluent is scrubbed...
US-4,003,951 Octahydroazulenols
Novel compounds of formula ##STR1## wherein R.sup.1 represents a lower alkenyl group or R.sup.11, or taken together with R.sup.4 an oxo group; R.sup.11...
US-4,003,950 Diphenyl methane biodegradable insecticides
Biodegradable insecticides having the formula: ##STR1## where R.sub.1 is H or Cl, R.sub.2 is CH.sub.3 or Cl, X and X.sup.1 are the same or different and...
US-4,003,949 Steroid intermediates
A multi-step, stereospecific total synthesis of steroids is disclosed. The starting materials for this process are the relatively inexpensive and readily...
US-4,003,948 Process for preparing dimethyl 2,6-naphthalenedicarboxylate
A process for preparing dimethyl 2,6-naphthalenedicarboxylate, which comprises continuously esterifying 2,6-naphthalenedicarboxylic acid with methanol at a...
US-4,003,947 Coating composition and method of coating substrates therewith
A coating medium for application to a substrate to form a coating which is curable to a highly cross-linked polymeric state. A coating medium is prepared by...
US-4,003,946 4,5-Cis-didehydro-PGF.sub.1 analogs
This invention is a group of 4,5-didehydro PG.sub.1 (prostaglandin-type) analogs having variable chain length, branching and fluoro substitution in the...
US-4,003,945 Novel cyclopropanecarboxylates
Novel alkynylcyclopropanecarboxylic acid esters represented by the formula, ##STR1## wherein R.sub.1 represents hydrogen, halogen, lower alkyl having up to 5 ...
US-4,003,944 Preparation of 2,4-dicyano-3,5-dimethylaniline
The novel compound 2,4-dicyano-3,5-dimethylaniline is prepared by heating a cyclic compound having the formula ##STR1## and splitting off acetonitrile. The...
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