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Patent # Description
US-4,296,078 Separation of hydrogen chloride from gaseous mixtures
A method is disclosed for separating hydrogen chloride from a gaseous mixture containing hydrogen chloride and carbon dioxide in admixture with other gaseous...
US-4,295,575 Surface raceway box
The box has a base for mounting on a surface and a cover secured to the base by screws. A pair of tabs are disposed close to the base end of the cover and each...
US-4,295,536 Pressure seal for pumping instruments through drill rod
A device for placement between a rotary drill motor and a drill rod for use in pumping instruments down the drill rod. The device has pressure seals at each end...
US-4,294,746 Stabilizers for cycloaliphatic epoxide containing compositions
Described herein are stabilizers for curable compositions containing cycloaliphatic epoxides and a catalyst. A molded article produced from such a composition...
US-4,293,678 Radiation-curable acrylated epoxy silicone compositions
A class of materials termed acrylated epoxy silicones have been synthesized. In one of its simplest forms, the final product can be the reaction product of an...
US-4,293,474 Polyurethane ionomer dispersions containing electrolytes
The instant invention is directed to aqueous dispersions or solutions of polyurethane ionomer characterized by (a) hydrophilic polyalkylene oxide polyether chains in...
US-4,293,243 Mine roof bolt assembly guard
A guard for a mine roof bolt assembly is disclosed. The guard consists of a cap having a cavity into which the mine roof bolt head is inserted. The cavity wall...
US-4,292,982 Leaf stripper for tobacco stalks and the like
A leaf stripper for tobacco stalks and the like including cooperating leaf stripping means, means for moving the stripping means to form a nip, and stalk...
US-4,292,786 Chopped leafy vegetable packaging machine
A machine for packaging chopped leafy vegetables in a flexible bag with the chopped leafy vegetables being reduced in volume by compressing the bag and the...
US-4,292,042 Analysis of vinyl acetate
Vinyl acetate in ambient air is measured by first drying the air sample, then adsorbing the vinyl acetate on an adsorbent containing a polymerization inhibitor,...
US-4,291,616 Roaster tray
The Roaster Tray relates to a cooking device utilized in the process of roasting or baking meats or poultry or other foods plus a further utilization of a part...
US-4,291,057 Biocidal esters of halo-4-alkenoic acids
Novel esters of halo-4-alkenoic acid compounds having pesticidal activity and methods of their preparation.
US-4,290,976 Process for the preparation of phenol-free phosphites
A process for the preparation of dialkylpentaerythritol diphosphites which are not contaminated by the presence of phenol. The process utilizes ...
US-4,290,899 Thermal stabilizer for non-clay wellbore fluids
Calcined dolomite stabilizes aqueous solutions of viscosifiers, such as polysaccharides, exposed to temperatures as high as 200.degree. F. (93.degree. C.) for...
US-4,290,653 Coal mining machine cutter with noise suppressant and flame resistant layer
In a mining machine having a power driven cutter including metallic helical blade means having cutting bit means spaced along the exterior periphery thereof, the...
US-4,289,907 Process for preparing N-alkyl-nitroanilines
This invention relates to a process of preparing N-alkyl-nitroanilines selected from the group consisting of N-alkyl-mononitroanilines and ...
US-4,289,710 Process for producing methanol from synthesis gas with palladium-calcium catalysts
An improved catalytic process for the production of methanol from hydrogen and carbon monoxide at a temperature of from about 200.degree. C. to about 400.degree....
US-4,289,709 Preparation of methanol from synthesis gas with promoted palladium catalysts
An improved catalytic process for the production of methanol from hydrogen and carbon monoxide at a temperature of from about 200.degree. C. to about 400.degree....
US-4,289,672 Sizing glass fibers for thermoplastic resin reinforcement
Glass fibers for reinforcing thermoplastic resins are sized with an aqueous dispersion comprising a polyurethane-ionomer as a film-forming agent and a bonding...
US-4,289,333 Method for locating features on a map
The map of this invention is permanently folded and attached to the cover which is folded along a front hinge and a rear hinge. A cover flap is attached to the...
US-4,289,078 Tilting dumping bottom section railway car
In accordance with the present invention an open top railway car is provided in which the car body is divided longitudinally into at least two body sections...
US-4,288,571 Polyester compositions
The disclosure of this application is directed to unsaturated polyester compositions, containing as a low-profile additive a carboxyl containing thermoplastic...
US-4,288,380 Heteronuclear-bridged rhodium clusters
Heteronuclear-bridged rhodium clusters useful as catalysts in the hydroformylation of olefins.
US-4,288,315 Benefication of fluorspar ores
An improvement is provided in a process for the flotation of an acid grade fluorspar enriched concentrate, having a sulfide sulfur content not greater than about...
US-4,287,964 Timer
A timer adapted to toy applications, and in particular for use in conjunction with toy ride-on vehicles is provided. The timer includes a spring-driven...
US-4,287,953 Method of removing conduit from curved borehole
A method for removing a conduit from a curved borehole by applying a compression load to the conduit to cause it to bend away from the inside of the borehole curve.
US-4,287,741 Lubricated tinplate for drawing and ironing operation
Tinplate container stock coated with a substantially uniform film of lubricant, the lubricant film consisting essentially of a citric acid ester lubricant in an...
US-4,287,357 Process for the production of 6-hydroxy-2-naphthoic acid
The production of 6-hydroxy-2-naphthoic acid from anhydrous potassium 2-naphthoxide and carbon dioxide is improved by forming a mixture of 0.8-1.2 moles of...
US-4,287,205 Hypotensive and analgesic compounds and compositions and methods for using same
Novel cyclic acetals of the general formulae: ##STR1## wherein R.sub.1 is ##STR2## wherein R.sub.2 is hydrogen, alkyl, aryl or R.sub.1, wherein...
US-4,285,816 Dewatering system
A system for separating solids from a slurry containing liquids and solids including an elongated plate having spaced apart openings therethrough, a pair of...
US-D260,375 Timer
US-RE30,721 Stabilized thermoplastic polyesterurethanes
The instant invention is directed to novel color and hydrolytically stable thermoplastic polyester urethanes. The invention broadly consists of adding...
US-4,284,987 Slope stability warning device for articulated tractors
A tip-over warning system for vehicles of the articulated type utilizes a swinging pendulum pivoted in a frame which is mounted on and simulates the stability...
US-4,284,736 Unsaturated polyester compositions
The disclosure of this application is directed to unsaturated polyester compositions, containing a thermoplastic terpolymer of a vinyl halide monomer, a vinyl...
US-4,284,727 Process for treating anion exchange resins
Process for treating anion exchange resins containing a major portion of weak-base groups in catalytically inactive salt form and a minor portion of strong-base...
US-4,284,368 Vehicle with dual drill booms and temporary roof support
A mining vehicle has a body with a center boom extending forwardly from the body. A temporary roof support is mounted on the outer end of the center boom. The...
US-4,284,173 Motor vehicle lubricating facility
A motor vehicle lubricating facility for enabling a workman to perform lubricating functions on an automobile rapidly and efficiently with a minimum of waste...
US-4,283,578 Process for making glycol
This invention is concerned with producing ethylene and/or 1,2-propylene glycol by the reaction of a non-cyclic oxymethylene compound formed by the hydration or...
US-4,283,572 Conversion of alkyl phenyl ether to alkylphenol
A process for the conversion of an alkyl phenyl ether to the corresponding alkylphenol, involving heating in the presence of a dehydrated sulfonic acid type...
US-4,283,562 Hydroformylation process using stable rhodium catalyst
In a rhodium-catalyzed hydroformylation process which produces aldehydes from olefins, the stability of a rhodium catalyst complexed with carbon monoxide and a...
US-4,283,500 Polymer/polyisocyanates
Novel improved polymer/polyisocyanate composition made by polymerizing acrylonitrile alone or with one or more ethylenically unsaturated monomers in situ in a...
US-4,283,348 Method of preparing 2-aryl-3-cyclopentanedione compounds
2-Aryl-1,3-cyclopentanedione compounds and their alkali metal and ammonium salts exhibit outstanding herbicidal and acaricidal activity.
US-4,283,304 Process for removing triorganophosphine from a liquid composition
Process for removing triorganophosphine from a rhodium containing composition or a rhodium containing concentrate thereof.
US-4,283,254 Methylamines purification by distillation and purge
An improvement in the distillative refining of methylamines containing higher amine impurities wherein the higher amines accumulate in the distillation column,...
US-4,283,089 Pretreatment for fracturing coal seams
A pretreatment for use in fracturing coal seams to increase gas permeability of the seams. The pretreatment involves injecting a material capable of swelling...
US-4,282,812 Field-primable chub cartridge having a longitudinal threading tunnel integral therewith
A chub cartridge has a tubular chamber containing a water-bearing blasting agent, and a longitudinal tunnel adjacent to the tubular chamber and integral...
US-4,282,564 Triangular enclosure for tubular light source
An angle iron forms two sides of a right isosceles triangular housing. These sides are each apertured and the apertures are provided with metal-framed lens...
US-4,282,533 Precision orifice nozzle devices for ink jet printing apparati and the process for their manufacture
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-4,282,332 Polyols derived from 4,4,4-trichloro-1,2-epoxybutane and/or epihalohydrin for use in the production of heat...
The instant invention is directed to a polyol having a molecular weight of 2,000 to 8,000 which is especially suited for use in the production of heat sealable...
US-4,281,932 Light absorptivity measuring device
A light source is arranged with a light sensing device in such a way that the sensing device receives transmitted light for a translucent medium or reflected...
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