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Patent # Description
US-4,033,909 Stable phenolic resoles
Phenolic resoles are provided which are free of ionic species capable of being removed by the free acid form of a cation exchange resin and the free base form of...
US-4,033,662 Electrical connector
Electrical cable connector comprising receptacle and plug having polarity marking which is integrally disposed in the coactive elements comprising receptacle and...
US-4,032,494 Liquid siloxanes as additives for curable polyester moulding compositions containing vinyl acetate polymer and...
Liquid siloxanes are employed as additives in polyester composites containing vinyl acetate polymers.
US-4,031,997 Mobile telescopical articulated cascade conveyor system for mining and automatic self-tramming wheel-mounted...
A mobile conveyor system having a series of articulately interconnected mobile conveyor units arranged in cascade relationship for conveying mined material from...
US-4,031,742 Leak detector using mass concentration gauge
A device is disclosed for rapidly testing items for leaks. The device incorporates a mass concentration gauge. One such gauge has a sensor which has an...
US-4,031,067 Polytriazines and a process for their production
Mixtures of aliphatic, cycloaliphatic or aromatic polyfunctional N-cyanosulfon amides and aromatic polyfunctional cyanic acid ester are converted at 30.degree....
US-4,030,542 Drill string make-up and break-out mechanism
The drill pipe has a longitudinal section of smaller diameter and a pair of circumferentially separated grooves provided in an annular shoulder adjacent the...
US-D244,794 Explosion proof fluorescent lamp for mines or the like
US-4,029,868 Tetrafluoroethylene terpolymers
Terpolymers of tetrafluoroethylene, hexafluoropropylene and either perfluoro(propyl vinyl ether) or perfluoro(ethyl vinyl ether) are described which are prepared...
US-4,029,688 Carbamic pesticidal compositions
Novel N-haloalkanesulfenylcarbamoyloxime compositions have been found to have exceptional miticidal and insecticidal activity.
US-4,029,109 Fluid-cooled smoking device
A fluid-cooled smoking device includes a plurality of concentrically disposed tubular members which, depending upon the predetermined length of some of such...
US-D244,678 Combined bell and stand therefor
US-4,026,699 Matrix-stiffened heat and corrosion resistant alloy
Matrix-stiffened nickel-iron-chromium-columbium solid-solution alloy with excellent metallurgical stability has heat-resistant and corrosion resistant...
US-4,026,556 Game apparatus employing balls and frame
An elongated member has a plurality of like partitions extending downwardly from it. These partitions are paced at regular intervals, and form channels through...
US-4,026,356 Method for in situ gasification of a subterranean coal bed
The method of the present invention relates to providing controlled directional bores in subterranean earth formations, especially coal beds for facilitating in...
US-4,026,116 Mine roof supporting
A roof pin-or-bolt setting machine which applies sonic energy to drive bolts which may be of non-circular section or helical into the roof of a coal mine. The...
US-D244,561 Explosion proof fluorescent lamp for mines or the like
US-4,025,832 Electronic slip detector circuit
Apparatus for detecting excessive slippage of a conveyor belt, as used, for example, in the coal mining industry includes electronic switching devices. A ring...
US-4,025,557 Process for the production of polyamines
A process for condensing aromatic amines with formaldehyde in the presence of water is disclosed whereby an inhomogeneous mixture of a reaction product...
US-4,025,489 Utilization of bisphenol-A from the alkaline phase generated in the production of polycarbonates
This invention relates to polycarbonates and more particularly to recovering unreacted bisphenol-A from the alkaline phase generated in the production of...
US-4,025,477 Acrylated epoxidized soybean oil urethane derivatives
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-4,025,456 Polysiloxane-polyoxyalkylene block copolymers
Polyoxyalkylene polyether admixtures and polysiloxane-polyoxyalkylene block copolymers, a solventless process for producing said copolymers using said ...
US-4,025,317 High pressure rotary piston coal feeder for coal gasification applications
The subject development is directed to an apparatus for feeding pulverized coal into a coal gasifier operating at relatively high pressures and elevated...
US-4,024,742 Method of lubricating a cold reduction mill
A method for efficiently operating a steel rolling mill employing oil-in-water emulsions as lubricants which includes controlling the stability of the emulsion...
US-4,024,335 Homogeneous hydroxy-alkylation of cellulose
A solvent mixture consisting of dimethyl sulfoxide and formaldehyde is used for the hydroxy-alkylation of cellulose.
US-4,024,025 Gas cleaning device for controlling air pollution from the charging ports of a by-product coke oven and for...
This invention relates principally to a method and device for controlling particulate-ladened smoke and gas emissions from the charging ports of a by-product...
US-4,023,526 Apparatus for application of foam to a substrate
Foam applicator heads for the application of a functional chemical treating composition in the form of a froth or foam to a substrate, such as a textile or...
US-4,023,277 Combined measuring tape and compass
A device for use as a measuring tape and as a compass. A hollow housing generally rectangular in shape has a vertical front surface with a lower opening therein...
US-D244,372 Fish bait dispenser
US-4,021,476 Vinyl acetate polymerization inhibitors
The polymerization of vinyl acetate during distillation can be inhibited by 4-(2,6-dimethylheptyl) phenol and other liquid p-alkyl phenols.
US-4,020,688 Ultrasonic inspection apparatus for vertical members
An ultrasonic inspection apparatus for use in inspecting drill pipe or like tubular members being tripped into and out of a well borehole comprises a planarly...
US-4,019,650 Tandem column vender apparatus
A vending machine having a compartment dimensioned to hold two pairs of columns of cylindrical articles with the columns of each pair arranged with their...
US-4,019,647 Electrical wiring box with attached mounting elements
An electrical wiring box having a pair of mounting elements attached thereto for use in mounting the wiring box within an opening in a supporting structure such...
US-4,019,590 Method of roof drilling
An assembly for drilling a hole in a roof to a greater depth than the height of the chamber therebelow includes a starter-driver bar having a first end adapted...
US-4,018,738 Poly(butyleneterephthalate) composition with novaculite
Mineral filled poly(butyleneterephthalate)s are comprised of a poly(butyleneterephthalate) resin and 10 to 50 percent by weight of a novaculite mineral filler...
US-4,018,663 Coal liquefaction process
An improved coal liquefaction process is provided which enables conversion of a coal-oil slurry to a synthetic crude refinable to produce larger yields of...
US-4,017,551 Liquid phase chlorination of aromatic hydrocarbons using manganese chloride catalyst
A process for the liquid phase nuclear chlorination of benzenes which uses a novel manganese chloride catalyst in an iron-free reaction environment. The...
US-4,017,457 Flame retardant polycarbonate compositions
Polycarbonate articles are provided with enhanced flame retardant characteristics by the addition of ferrocene and derivatives thereof to polycarbonate resins.
US-4,017,367 Ironing container stock manufacturing method
Continuous-strip process for improving ironing operations in the manufacture of drawn and ironed container bodies having a bottom wall and unitary sidewall....
US-4,016,345 Process for polymerizing tetrafluoroethylene in aqueous dispersion
Polytetrafluoroethylene resin, coagulated after aqueous dispersion polymerization, having a fibrillatable character that is observable under high magnification...
US-4,016,059 Method for curing ink and coating compositions of acrylated epoxidized soybean oil amine compounds
Compositions of amine derivatives of acrylated epoxidized soybean oil, which are the reaction products of an organic amine with the reaction product of...
US-4,015,817 Stop means for valves
A stop member adapted to be mounted on the body of a valve has abutment stops to define the open and closed position of the valve and a portion which acts as a...
US-4,015,625 Hydraulic materials handling system
An overhead support apparatus for a slurry hose transportation system has a monorail anchored to a support system a predetermined distance above the surface of...
US-4,015,397 Service poles and accessories
A power-telephone service pole having a cover which is removable simply by being pried off when the pole is installed so that the telephone compartment is...
US-4,014,956 Thermoplastic powder coating compositions
Powder coating compositions of vinyl chloride polymers or blends thereof, which compositions have an average inherent viscosity of from about 0.2 to about 0.55...
US-4,014,913 Process for producing oxygenated two carbon compounds
A process for the selective preparation of two-carbon atom oxygenated hydrocarbons, namely acetic acid, ethanol, and acetaldehyde, by continuously contacting a...
US-4,014,683 Method of making Drawing Quality steel
Drawing Quality steel having low carbon, oxygen, and aluminum contents is produced through the use of continuous casting. After tapping steel of the lowest...
US-4,014,524 Dispersing apparatus
Apparatus is disclosed for dispersing a low viscosity fluid throughout a high viscosity polymer-containing mass comprising: conveying means for continuously...
US-4,014,353 Fluid-cooled smoking device
A fluid-cooled smoking device includes a housing for containing a liquid coolant, and a tubular member projecting into the housing for supporting a smoking...
US-4,013,700 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...
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