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Patent # Description
US-4,123,501 Oxidation of metallic iron to black oxide pigments
A metallic iron-containing starting material such as iron filings, iron powder or a reduced ore such as ilmenite is oxidized with air in the presence of 5 to 40%...
US-4,123,500 Recovery of precious metals by oxidation in the aqueous phase of associated carbonaceous support material
This invention relates to the recovery of precious metals. More particularly, the invention relates to a process for the recovery of a catalytic metal from a...
US-4,123,499 Recovering metal values from marine manganese nodules
A method for selectively extracting metal values from manganese bearing ores such as marine nodules. The ore is initially leached to solubilize manganese and...
US-4,123,498 Process for separating fission product molybdenum from an irradiated target material
A process for the separation and collection of molybdenum-99 from an irradiated uranium-containing target material utilizes thermal chromatographic separation....
US-4,123,497 Purification of Technetium-99m pertechnetate solutions
The invention provides a method and apparatus for preparing aqueous solutions of technetium-99m pertechnetate. In a preferred embodiment, the eluate from a...
US-4,123,496 Process for the injection molding of pneumatic tires having symmetrical parts of similar physical characteristics
A process and apparatus are provided for injection molding a pneumatic tire having corresponding symmetrical parts such as the sidewalls of the tire which are...
US-4,123,495 Method for making molded articles of expanded cellular material
Complemental male and female mold sections are supported in spaced relation to define a cavity that has a shape corresponding to the shape of the article to be...
US-4,123,494 Method and apparatus for reinforcing a hot shaped shell
The present invention relates to a method and apparatus for reinforcing an object or article essentially comprising a hot-shaped shell, and more particularly to...
US-4,123,493 Method of making a shoe sole having a preformed insert
Method for making a sole for an article of footwear including an outer sole with a lightweight filler therein, an inner sole above the outer sole and a foxing...
US-4,123,492 Nylon 66 spinning process
Polyamide yarn is melt spun at high speed and drawn almost immediately (between 0.002 and 0.25 seconds) after solidification. Turbine driven feed roll replaces...
US-4,123,491 Process for manufacturing high strand count plastic net
The present invention is directed to the manufacture of plastic net formed by extruding a plurality of spaced strands of plastic into a net structure. In...
US-4,123,490 Production of a high tenacity, low denier poly(ethylene terephthalate) fibrillated tape yarn
A low denier, high tenacity poly(ethylene terephthalate) fibrillated tape yarn particularly suited for conversion into a sewing thread which exhibits excellent...
US-4,123,489 Method for converting waste paper products into useful forms
A method is provided for converting waste paper materials into more useful forms for uses such as plant mulches, lightweight concrete aggregates, fertilizers,...
US-4,123,488 Molded plastic article and method of making the same
A composite molded article composed of a backing layer of fiber-reinforced thermosetting resin and an outer layer of a thermoplastic resin which is mechanically...
US-4,123,487 Process for preparing a tubular article of thermoplastic resin
A method and apparatus are provided for extruding a tubular article in which a mandrel, over which the article is drawn, has a groove on the outer surface...
US-4,123,486 Method of making a compliant mandrel in a mandrel assembly for growing graft tubes
A mandrel of sponge rubber or gel has a tension element for withdrawing the mandrel from a graft tube grown from living tissue. In a first embodiment the tension...
US-4,123,485 Stage construction of an elevated box girder and roadway structure
An elongated elevated box girder and roadway structure is constructed in a number of individual elongated sections with the support structure and formwork being...
US-4,123,484 Process for the removal of fission-product inert gases in the reprocessing of nuclear fuel material
A process for the removal of fission-product inert gases from the waste gs of a reprocessing plant for nuclear fuel materials in which the nuclear fuel is...
US-4,123,483 Manufacturing method of an optical waveguide
A method of manufacturing an O-ring type optical waveguide wherein a layer of fused silica is formed on the smooth cylindrical surface of an elongated member of...
US-4,123,482 Mechanical aerator
A mechanical aerator comprising a boss, and at least one blade which extends radially from the boss and comprises a planar body portion and a deflector, the...
US-4,123,481 Device for carburetion of liquid fuels
A device for carburetion of liquid fuels including an ultrasonic oscillator and at least one fuel supply nozzle which supplies fuel into engagement with the...
US-4,123,480 Throttle control mechanism for a carburetor
A control mechanism for a carburetor having a throttle valve and a choke valve each of which valves has an idling position, a cold-starting position and a...
US-4,123,479 Carburetor controlled by a sliding movement
A carburetor of the type admitting simultaneous control of both air and fuel supply. The air supply is regulated by means of a linearly movable aperture means,...
US-4,123,478 Preparation of O, O-dimethyl-O-(2,2-dichlorovinyl)-thionophosphoric acid ester
A process for the preparation of O,O-dimethyl-O-(2,2-dichlorovinyl)-thionophosphoric acid ester of the formula ##STR1## comprising reacting ...
US-4,123,477 Polyvinylidene chloride resin compositions
Greatly improved heat and light resistance is imparted to polyvinylidene chloride resins by incorporating therein a specific chlorinated ethylene-vinyl ester...
US-4,123,476 Reinforced plastic material and a process for the production thereof
A reinforced composite plastic material has a matrix of thermoplastic material in which is dispersed at least 5% by weight of a polyethylene having a very high...
US-4,123,475 Antistatic polyphenylene ether compositions
Thermoplastic compositions comprising a polyphenylene ether resin alone or in admixture with a styrene resin are rendered resistant to the accumulation of...
US-4,123,474 Polyphenylene ether resin compositions containing a diphenylamine
Novel stabilized compositions of a polyphenylene ether and an alkenyl aromatic resin are disclosed which include a minor amount of a diphenylamine.
US-4,123,473 Transparent sheets and containers formed from polycarbonate-polyester blends and formation thereof
A sheet formed from a uniform blend of from about 80 to 97% by weight of polyethylene terephthalate having an intrinsic viscosity of above about 0.9 and a melt...
US-4,123,472 Oil resistant modified silicone composition
Oil resistant modified organopolysiloxane compositions are prepared by polymerizing an acrylic ester and an acrylic nitrile in the presence of an ...
US-4,123,471 Olefin production process
This invention describes a process for producing branched C.sub.7 -C.sub.9 -mono-olefins by polymerizing a mixture of propylene and butenes over phosphoric acid...
US-4,123,470 Biaryl production
Aromatic hydrocarbons are converted to biaryl compounds in a two-step process comprising hydroalkylation of the aromatic hydrocarbons to cycloalkyl aromatic...
US-4,123,469 Process for production of bicyclic compounds
Described is a process for producing bicyclic compounds having the generic structure: ##STR1## wherein R.sub.1 is one of the moieties: ##STR2## ...
US-4,123,468 Titanium tetrachloride as heterogeneous catalyst for isomerization of alkylaromatic hydrocarbon
A process for the conversion of aromatic hydrocarbons is disclosed which is especially useful for reaction of an alkylating agent, preferably propylene, with an...
US-4,123,467 Oxychlorination of ethylene
Oxychlorination of ethylene is carried out using a three-reactor system containing beds of a catalyst comprising a spherical, high-surface area activated alumina...
US-4,123,466 Process for nitrating aromatic hydrocarbons
An improved process for the nitration of aromatic hydrocarbons is described. The aromatic hydrocarbon (benzene, toluene of particular interest) is reacted with...
US-4,123,465 Chiral tertiary phosphines
A method for the homogeneous catalytic enantioselective hydrogenation of alkyl and alkenyl substituted acrylic acids wherein these acids are selectively...
US-4,123,464 Process for the preparation of aldehydes
A multi-step process for the preparation of alpha,beta-unsaturated aliphatic aldehydes such as citral by first reacting an allylic alcohol with a butadienyl...
US-4,123,463 2-Decarboxy-2-alkylketone prostaglandins
The present invention provides novel prostaglandin analogs wherein the C-2 carboxyl is replaced by alkylcarbonyl, i.e., a C-2 ketone. These novel ...
US-4,123,462 Amination process using nickel-rhenium catalysts
The present invention concerns a new nickel-rhenium catalyst and method of preparing said catalyst. The invention also relates to the catalytic amination of...
US-4,123,461 Benzene-tricarboxylic acid-(1,3,5)-tri-N-chloramide and process for the preparation thereof
Phloroglucinol is prepared by chlorinating benzenetricarboxylic acid-(1,3,5)-triamide in an aqueous, inorganic acid medium to form benzene-tricarboxylic...
US-4,123,460 Process for the production of monohaloacetylhalides
A process for the production of a monohaloacetylhalide characterized in that a ketene is reacted with a halogen in the presence of a diester of phosphonic acid...
US-4,123,459 Preparation of aconitic acid
Novel methods for preparing polycarboxylic compounds which are useful as metal sequestrants and food acidulants are disclosed. These compounds are aconitic and a...
US-4,123,458 Preparation of cis and trans aconitic acids and their salts
Novel polyfunctional compounds and a novel process for their preparation are disclosed. These compounds may be converted into the acid or salt forms of cis and...
US-4,123,457 2-Methyl-5-fluoro-indanol-3-acetic acid
Invention relates to improved processes for preparing 5-fluoro-2-methyl-1-(p-methylsulfinylbenzylidene)-indenyl-3-acetic acid, to intermediates thereof, and to...
US-4,123,456 Novel 11-hydroxy-9-keto-5,6-cis-13,14-cis-prostadienoic acid derivatives
This disclosure describes certain 11-hydroxy and 11-deoxy-9-keto(or hydroxy)-prostanoic acid derivatives useful as bronchodilators, hypotensive agents,...
US-4,123,455 Phenenyltris(carbonylimino) multi-anionic substituted triphenyl acids and salts
Phenenyltris(carbonylimino) multi-anionic substituted triphenyl acids and salts useful as complement inhibitors.
US-4,123,454 Thermoplastic copolyesters
Linear thermoplastic polyesters obtained from aromatic dicarboxylic acids and diols are modified with dimeric acids. As a result of the lowering in the melt...
US-4,123,453 Process for the manufacture of acrylonitrile and methacrylonitrile
High yields of unsaturated nitriles are obtained by the oxidation of olefin-ammonia mixtures in the presence of a catalyst comprising the oxides of bismuth,...
US-4,123,452 Styryl dyestuffs
The invention is directed to dyestuffs of the formula ##STR1## wherein THE PHENYL NUCLEI A, B, D and E can each be substituted m is 2 or 3 and n is 1-3. The...
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