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Patent # Description
US-4,446,074 Preparation of rhodium complex compounds
Process for preparing hydridocarbonyltris(triorganophosphorus) rhodium compounds.
US-4,445,944 Heat treatments of low expansion alloys
Directed to an overaging heat treatment applied to age-hardenable nickel-cobalt-iron controlled expansion alloys so as to contribute high notch strength at...
US-4,445,943 Heat treatments of low expansion alloys
Directed to an overaging heat treatment applied to age-hardenable nickel-iron controlled expansion alloys so as to contribute high notch strength at temperatures...
US-4,445,621 Easy-open container wall
An improved easy-opening container wall and method of forming the same are disclosed. The easy-open container wall comprises a line of weakness in the container...
US-4,444,769 Antihypertensive diuretic combination composition and associated method
A novel combination pharmaceutical composition is described, together with a method for making the same, wherein the pharmaceutically active ingredients are...
US-4,444,587 Brazing alloy
An iron-based brazing alloy suitable for brazing iron-based alloys subject to high temperature environments. The resulting brazement contains little or no...
US-4,444,278 Rotatable drilling head
A drilling head for use in mining operations comprises a cylindrical drum having an open rear end and defining an interior cavity, an exterior spiral arranged to...
US-4,443,654 Flush floor fitting
Fitting comprises an attaching ring secured to a pair of adjacent underfloor ducts and spanning the pre-punched access holes in the ducts, the attaching ring...
US-4,443,249 Production of mechanically alloyed powder
An improved process is provided for producing mechanically alloyed powders of simple and complex alloy systems. In the improved process, the mechanically alloyed...
US-4,442,260 Preparation of salt solution useful for making nylon
A process is described for making highly concentrated solutions of nylon salt in which the diamine is added in two portions, one before and one after a step in...
US-4,441,761 Mining machine
A mining apparatus which is adapted to be connected to a sectioned powered auger conveyor assembly and driven by the central shaft of the auger is constructed...
US-4,440,305 Carriage for cable logging system
A skyline logging system wherein a skyline cable is supported at an intermediate location by an intermediate support assembly and a logging carriage is supported...
US-4,439,593 Polyurethane compositions with improved storage stability
The present invention is directed to a process for improving the storage stability of a composition containing (a) a blocked polyisocyanate component prepared by...
US-4,438,911 Quick set hydraulic vise structure
A quick set hydraulic work holding vise comprising an elongated stationary base plate member, a front stationary jaw fixed to the base plate member at a front...
US-4,436,666 Biocidal enol derivatives of 2-aryl-1,3-cycloalkanedione compounds
Enol derivatives of 2-aryl-1,3-cycloalkanedione compounds exhibit outstanding herbicidal and acarcidal activity.
US-4,436,375 Sight glass apparatus
A sight glass assembly comprising a housing structure having a circular opening therethrough, the opening having an enlarged section, a lens disposed across the...
US-4,436,267 Hose hanger
A hanger adapted to be fixedly attached to a mounting wall for supporting a length of hose in coiled formation of the type which comprises a one-piece body...
US-4,435,546 Polyesters compositions which crystallize rapidly
Polyalkylene terephthalates containing 0.5-30% by weight of monomeric aliphatic carboxylic acid esters have a higher crystallization speed and thus allow lower...
US-4,435,421 Biocidal sulfur-containing bis-imino carbamate compounds
Sulfur-containing bis-amino carbamate compounds exhibit outstanding acaricidal, nematocidal and insecticidal activity.
US-4,435,359 Apparatus and method for fabricating tubes from powder
An apparatus (10) and method for fabricating tubes (26) from powders (32). A retractable, rotating mandrel (18) is disposed within a powder hopper (12) and...
US-4,435,268 Oxygen sensing cell
An improved oxygen sensing cell, especially of the polarographic type, is intended for use primarily in a gaseous environment. The cell has a cathode located at...
US-4,434,301 Production of low color refined isophorone
Crude isophorone is refined by contacting it with aqueous caustic followed by washing and fractional distillation.
US-4,434,247 Continuous process for the manufacture of ethylene glycol
This invention relates to the manufacture of valuable alcohols containing 1 to 2 carbon atoms, especially glycol and ethanol from the reaction of hydrogen and...
US-4,433,656 Automotive oil filter precharging arrangement
A port proximate to an automotive oil filter, and a closure therefor, used to precharge a newly installed oil filter with oil. The port may be located either in...
US-4,431,650 Esters of benzofuranyl acids
This invention relates to novel esters of benzofuranyl acids, novel intermediates therefor, synthesis thereof, and the control of pests.
US-4,430,784 Manufacturing process for orifice nozzle devices for ink jet printing apparati
A single or multi-orifice metal nozzle structure suitable for use in an ink jet printing system. The metallic nozzle member has at least one orifice extending...
US-4,430,341 Water soluble pesticidal quaternary ammonium salt compounds
Water soluble quaternary ammonium salt compounds exhibit outstanding insecticidal and miticidal activity coupled with reduced mammalian toxicity and acceptable...
US-4,429,477 Portable ditcher and excavating elements therefor
The disclosure is primarily directed to the reduction of excavating tooth and chain drag which makes possible the manual transport and manual propulsion of a...
US-4,429,165 Hydroformylation process
Process for selective production of acetaldehyde and dimethyl acetal by the reaction of methanol with carbon monoxide in contact with a catalyst containing...
US-4,429,161 Process for preparing organic tertiary polyphosphine monooxides
Process for producing organic tertiary polyphosphine monooxides which comprises reacting an organic tertiary polyphosphine with an organic monofunctional...
US-4,429,057 Process for recovering volatile precious metals
A homogeneous catalytic process wherein a gaseous or vaporized reactant stream is continuously introduced into a liquid phase mixture containing (a) a volatile...
US-4,428,922 Process for manufacturing hydrogen peroxide
In the anthraquinone process for manufacturing hydrogen peroxide an improvement is obtained in the productivity of a fixed-bed catalytic hydrogenator operating...
US-4,428,641 Cable coupler/wiring adaptor
A device used in overhead power distribution systems to serve solely as a cable coupler, i.e. join or splice a pair of flexible connecting cables having a...
US-4,428,337 Variable cylinder operation of internal combustion engine
An insert plate is provided for mounting between the base mounting flange of a carburetor including a pair of air and fuel passages extending therethrough and an...
US-4,427,543 Automatic tape filter
A tape filter device for the removal of solids from liquid media having a weir assembly, which enables solids to be carried out by the water flow, into which a...
US-4,426,642 Mine alert device
A device for alerting miners of an unsafe condition existing in mine shafts includes a surface-engaging member, a chamber-defining member having a compressible...
US-4,426,514 Copolycarbonate from thiodiphenol having high melt flow rates
The invention is directed to copolycarbonates of thiodiphenol characterized by high melt flow rate and good mechanical properties, particularly suitable for...
US-4,426,493 Graft polyblend flow improvers for PVC
Graft polyblends prepared by polymerizing acrylate ester monomers or mixtures of acrylate ester monomers and vinyl aromatic monomers in the presence of a rubbery...
US-4,426,485 Polymers with hydrophobe bunches
A water-soluble, thermoplastic, organic polymer is disclosed having segments of bunched monovalent hydrophobic groups. These polymers provide superior thickening...
US-4,426,385 Insecticidal bicyclooxyphenyl ureas
Novel bicyclooxyphenyl ureas, such as 1-(bicyclooxyphenyl)-benzoyl ureas, are provided which exhibit pesticidal activity. The compositions are conveniently...
US-4,425,456 Copolycarbonates based on bis(4-hydroxyphenyl)biphenyl disulfone
A copolycarbonate molding composition comprising the reaction product of an aromatic diphenol, a bis(4-hydroxyphenyl)biphenyl disulfone and a carbonate source is...
US-4,425,259 Endothermic removal of coke deposited on catalytic materials during carbo-metallic oil conversion
A process is disclosed for the conversion of high boiling oil feeds having a significant level of Conradson carbon components and metals to form lighter oil...
US-4,425,175 Method for continuously producing a flexible drywall joint filler
A method of continuously producing a flexible drywall joint filler having a central spline portion adapted for cooperation with a joint defined between a pair of...
US-4,424,172 5,5-Bis-(Bromomethyl)-2-hydroxy-2-oxo-1,3,2-dioxaphosphorinanes and process for preparing same
A process for preparing 5,5-bis(halomethyl)-2-hydroxy-2-oxo-1,3,2-dioxaphosphorinanes by hydrolysis of the corresponding phosphoryl chloride. The product is ...
US-4,423,186 Impact resistant polyamide moulding compositions
Impact-resistant polyamide moulding compositions consisting of from 35 to 99% by weight of polyamides and from 1 to 65% by weight of partly cross-linked polymer...
US-4,423,064 Biocidal esters of alkynoic acids
This invention relates to novel ester compounds derived from alkynoic acids and to their preparation. This invention is also directed to insecticidal and...
US-4,422,937 Static screen
A reversible static screen for classifying and dewatering flowing slurries, the screen being inclined and having a flow or screening surface formed by laterally...
US-4,422,870 Biocidal 2-aryl-1, 3-cyclohexanedione enol ester compounds
2-Aryl-1, 3-cyclohexanedione enol ester compounds exhibit outstanding miticidal,mite ovicidal and herbicidal activity.
US-4,422,812 Rotatable shell cutter
A rotatable shell cutter has a cylindrical member which advances to cut into a pipe. A plurality of cutting elements are arranged in a circle at one end of the...
US-4,422,706 Electrical connector plug with receptacle assembly
An electrical plug and receptacle assembly in which the number of different parts is minimized, is characterized by the use of an identical insulator in both the...
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