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Patent # Description
US-4,234,170 Movable charging emissions control hood for BOF
A movable emissions control hood is mounted for insertion between a fixed emissions processing hood and the open mouth of a converter vessel of a metallurgical...
US-4,233,813 Ocean thermal engine
An ocean thermal engine utilizing the thermocline and hydrostatic pressure of the ocean to change the buoyancy of a series of rigid containers having good...
US-4,233,790 Extrusions and building structures
A one piece extrusion for use in the manufacturing of structures including structures such as frames, wall partitions, display boards, signs, covers, filters,...
US-4,233,466 Homologation process for the production of ethanol from methanol
A process for producing ethanol from the reaction of methanol, hydrogen and carbon monoxide catalyzed by a phosphine-iodine promoted cobalt-ruthenium catalyst,...
US-4,233,130 Ink and coating compositions and method
Compositions of an acrylated epoxidized soybean oil, which is the reaction product of epoxidized soybean oil with acrylic acid or methacrylic acid, and a...
US-4,233,062 Atomization into a chamber held at reduced pressure
Gas content of atomized metal powder can be reduced by conducting the atomization process at subatmospheric pressure and maintaining evacuation during...
US-4,232,470 Fish hook
A fish hook with a reverse bend near the end of the shank which forms an almost closed loop. A second hook or auxiliary lure or streamer may be attached by...
US-4,232,035 Carbamate pesticidal compounds compositions and methods of use
Novel N-dithioalkyl and N-dithioaryl substituted cyclic carbamoyloximes exhibit exceptional pesticidal activity.
US-4,231,729 Powder rolling apparatus
Powder rolling apparatus, for the production of strip equal in width to the length of the roll faces, is provided with edge restraint devices in the form of...
US-4,230,824 Sucrose based polyether polyols
The invention provides a means for making a high functional (.gtoreq.6.5), low viscosity, low hydroxyl number sucrose-based polyether polyol. The process...
US-4,230,775 Polyvinyl butyral ink formulation
Ink formulation based on polyvinyl butyral and useful for printing polyvinyl butyral sheeting provides both improved blocking and improved glass adhesion through...
US-4,229,780 Fluorescent lamp for use in explosive atmospheres such as mines
Lamp having an elongated lighting assembly and a guard assembly therefor. The lighting assembly includes an elongated fluorescent bulb characterized by hot...
US-4,229,262 Process for separating alkoxyketone compounds from the corresponding 1-alkoxy-2-alkanol compound
A process for recovering alkoxyketone compounds from mixtures of the alkoxyketone compound and the corresponding 1-alkoxy-2-alkanol compound by extractive...
US-4,228,390 Battery charger
A control circuit for a three phase battery charging system which is enabled only when a battery is properly connected, when the source is properly connected and...
US-4,228,162 Dimethyl isosorbide in liquid formulation of aspirin
A stabilized aspirin composition has been found which is comprised of acetylsalicylic acid and dimethyl isosorbide.
US-4,228,094 Ethylene glycol extraction process
There is described a process of extracting ethylene glycol from admixture with tetraglyme containing rhodium values therein using glycerine as the extraction...
US-4,228,002 Enhanced anti-solvent sedimentation of solids from liquids using pressurized carbon dioxide gas
A method for increasing the sedimentation of mineral particles in feed liquids containing the same, particularly coal-derived liquids, by the use of an...
US-4,227,862 Solid state compressor control system
A solid state system for controlling a compressor or pump which is driven by a motor, the compressor being loaded or unloaded manually or automatically and...
US-4,227,660 Method and apparatus for extending conveyor belts
A carrier vehicle supports plural drums of belting material for deployment in the lengthening of conveyor belts in mines with the belting material being in a...
US-4,226,756 Mixtures of extenders and polyols or polymer/polyols useful in polyurethane production
The invention provides a polyol-chain extender mixture consisting of (1) a poly(oxypropylene-oxyethylene) polyol having a hydroxyl number of from about 20 to 60,...
US-4,226,476 Continuous miner with improved roof-to-floor anchoring canopy units for advancing and turning machine and...
A continuous mining machine comprising a central longitudinally extending conveyor assembly, a pair of cutting and conveying mechanisms mounted on the forward...
US-D257,228 End closure for a container
US-4,225,530 Rhodium catalyst regeneration by carbon monoxide treatment
This invention relates to the continuous production of alkane polyols by the reaction of hydrogen and CO in a homogeneous liquid phase mixture containing a...
US-4,225,513 Catalytic decarbonylation of esters
Lower alkanoate esters of alcohols are contacted in the vapor phase and at elevated temperatures with certain metal oxide catalysts to produce the aldehyde or...
US-4,224,992 Method for enhanced oil recovery
The present invention is directed to an improved method for enhanced recovery of oil from relatively "cold" reservoirs by carbon dioxide flooding. In oil...
US-4,224,763 Vase, horticultural display and method of preparing a horticultural display
Horticultural items are displayed in a vase which includes a base for supporting the lower ends of stems of the items at locations spaced from the vertical axis...
US-4,224,431 Heterocyclic nylon-1 type polymers
The instant invention is directed to novel heterocyclic nylon-1 linear polymers comprising regularly recurring structural units having the general formula: ...
US-4,224,369 Method for coating or printing using acrylated epoxidized soybean oil urethane compositions
The urethane derivatives of acrylated epoxidized soybean oil, which is the reaction product of epoxidized soybean oil with acrylic acid or methacrylic acid, are...
US-4,224,237 Catalytic process for polyhydric alcohols and derivatives
This invention relates to the manufacture of such valuable chemicals as polyhydric alcohols, their ether and ester derivatives, oligomers of such alcohols and...
US-4,224,235 Rhodium catalyst regeneration by thermal treatment
This invention relates to the continuous production of alkane polyols by the reaction of hydrogen and oxides of carbon in a homogeneous liquid phase mixture...
US-4,223,364 Pressure and temperature responsive protective devices
The dangers inherent in the failure of available sensors to protect against explosions of the tanks of oil filled transformers has been found to be due in part...
US-4,223,160 Reaction of oxirane compounds with carboxylic acids
Niobium and ruthenium salts are employed as catalyst in the reaction of oxirane compounds with carboxylic acids. The acrylate esters produced can be used in...
US-4,223,125 Polyester compositions which crystallize rapidly
This invention relates to polyalkylene terephthalates which crystallize rapidly, and process of making such compositions and a process of using such compositions...
US-4,223,124 Method for producing polyesters containing low amounts of ether by-products
A method for decreasing the amount of ether as a by-product in polyesters (for example terephthalic-based) by initially utilizing a deficient amount of a glycol...
US-4,223,119 High solids compositions containing ester diol alkoxylate and organic polyisocyanate
Compositions comprising an ester diol alkoxylate in conjunction with an organic polyisocyanate have been produced that are useful as coatings, inks and adhesives.
US-4,223,113 Polyester compositions which crystallize rapidly
Polyalkylene terephthalates containing 0.5-30% by weight of oligomeric carboxylic acid polyesters have a higher crystallization speed and thus allow lower mold...
US-4,221,951 Screen welding machine
A machine for welding screens formed of spaced longitudinal screen wires welded at a welding station to spaced transverse tie rods, the machine having at the...
US-4,221,537 Hot blast stove erection process
A process of erecting interior combustion and checker chambers in a hot blast stove by lining the checker chamber and building the chamber wall from a vertically...
US-4,221,521 Apparatus for loosening frozen coal in hopper cars
Frozen lumps of coal in conventional hopper cars are loosened by lowering an assembly of vertically oriented probe elements into the car while simultaneously...
US-4,221,363 Adjustable jack
An adjustable jack includes a tubular support member adapted to be positioned vertically on the floor of an entry in an underground mine. An adjusting screw is...
US-4,220,803 Catalytic dehydrogenation of ethanol for the production of acetaldehyde and acetic acid
A process for producing acetic acid and acetaldehyde from ethanol which comprises contacting a mixture of ethanol and oxygen with a supported copper oxide...
US-4,220,569 Acrylated epoxidized soybean oil urethane compositions and method
The urethane derivatives of acrylated epoxidized soybean oil, which is the reaction product of epoxidized soybean oil with acrylic acid or methacrylic acid, are...
US-4,218,881 Belt conveyor drive system
A system for mechanically or hydraulically driving or powering equipment in underground mines off an advance flight of a belt conveyor, in which an assembly of a...
US-4,218,323 Pellet free rotor for centrifugal pellet dryers
Lifter blades are mounted for rotation by a rotor assembly within a foraminous housing to centrifugally dry pellets impelled upwardly through the housing by the...
US-4,218,287 Method of avoiding agglomeration in fluidized bed processes
A fluidized stream of coal particles is introduced into the bottom of a vertical reaction zone in a fluidized bed process at a velocity of greater than about 200...
US-D256,309 Beverage tumbler
US-4,215,167 Ink and coating compositions and method
Method for coating or printing using as the coating or printing medium compositions of an acrylated epoxidized soybean oil, which is the reaction product of...
US-4,214,557 Pivoting wall type, four stroke, internal combustion, rotary engine
A four stroke, internal combustion, rotary engine which completes a four stroke cycle in one revolution is described. The engine consists of a wedge shaped...
US-4,214,055 High resilience flame-retardant polyurethane foams based on polymer/polyol compositions
Novel high resilience (HR) urethane foams are prepared from tolylene diisocyanate and novel polymer/polyol compositions made with acrylonitrile and vinylidene...
US-4,213,955 Computerized process and apparatus for use with a submerged arc electric furnace to produce metallurgical products
The invention relates to a computerized process and apparatus for automatically regulating the power, feed rate and electrode position of hollow or solid...
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