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Patent # Description
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...
US-4,281,773 Electrical wiring box
An electrical wiring box having a pair of mounting elements associated therewith for permitting the quick and easy mounting of an electrical device within the...
US-4,281,172 Acrylyl esters of polyester-polyether copolymers
Acrylyl esters of polyester-polyether copolymers are produced by reacting a hydroxyl-terminated polylactone polyester with alkylene oxide and esterifying the...
US-4,280,979 Copolymers, compositions, and articles, and methods for making same
Novel polyester diols are described containing aliphatically saturated divalent diacyl moieties and olefinically unsaturated divalent diacyl moieties in a mole...
US-4,280,943 Organic grouting composition for anchoring a bolt in a hole
An improved rock-bolt grouting composition based on a cross-linkable unsaturated polymerizable polyester resin formulation in one component and a peroxide...
US-4,279,299 Apparatus for installing condition-sensing means in subterranean earth formations
The present invention is directed to an apparatus for installing strain gages or other sensors-transducers in wellbores penetrating subterranean earth...
US-4,279,053 Tri- or tetra-locular paint brush bristles
Tri- or tetra-locular oriented polymeric paintbrush bristles.
US-4,278,807 Process for production of 1-naphthyl methylcarbamate
Process for producing a 1-naphthyl carbamate by reacting 1-naphthyl with methyl isocyanate utilizing an anion exchange resin catalyst treated to convert...
US-4,278,517 Osmium catalyzed hydroxylation of olefins with selenoxide cooxidants
A process for producing glycols by the catalytic oxidation of olefinic compounds which comprises contacting an olefinic compound with an organic selenoxide in an...
US-4,277,641 Electrical outlet box and cable clamp device
An electrical wiring box with attachable clamp for non-metallic sheathed cable comprises, in combination, a wiring box with attachment receiving means for...
US-4,277,634 Process for the selective homologation of methanol to ethanol
A process for the production of ethanol from the cobalt-catalyzed, iodide-promoted reaction of methanol, hydrogen and carbon monoxide, attaining selectivity to...
US-4,277,627 Hydroformylation process
A process for the hydroformylation of alpha-olefins employing a rhodium catalyst complexed with carbon monoxide and a triarylphosphine wherein the intrinsic...
US-4,277,375 Catalytic oxide of molybdenum, vanadium, tantalum and optional 4th metal
A novel catalyst comprising the elements Mo, V and Ta is provided for oxidizing alpha-beta unsaturated aliphatic aldehydes in the vapor phase with molecular...
US-4,276,956 Swing scaffold for hot blast stove checker chamber relining
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-4,276,405 Low-energy-curable coatings compositions
Low energy-curable coatings compositions of (1) an epoxide, (2) a polyisocyanate and as a catalyst and initiator a mixture of (3) a stannous salt and (4) a...
US-4,276,404 Process for the production of inorganic-organic synthetic materials
The instant invention is directed to a process for the production of inorganic-organic synthetic materials having high strength, elasticity, dimensional...
US-4,276,229 Process for preparing carbamate compounds
This invention relates to an improved process for preparing carbamate compounds by reacting an active hydrogen-containing compound with an N-alkylcarbamoyl...
US-4,275,793 Automatic control system for rock drills
A rock drill feed system moves a drill toward and away from a wall with a reciprocating hydraulic motor powered by pressurized fluid. The pressurized fluid is...
US-4,275,649 Mechanical buncher for leafy vegetables
An automatic vegetable buncher for use in combination with a mechanical harvester of leafy green vegetables conveys the greens to a packing station where a pair...
US-4,274,841 Acetylene recovery process and apparatus
Improved process and apparatus is disclosed for the recovery of acetylene from gas containing acetylene and ethylene comprising: contacting said gas with...
US-4,274,751 Scraped wall agitator
An agitator wiper for a tubular chemical vessel in which agitation of the vessel contents is achieved by a blade positioned helically around a central rotating...
US-4,274,440 Precision gas pressure regulation
Precision gas pressure regulation is disclosed to provide extreme sensitivity, fast response, and positive shut-off of gases for pressurizing a vessel, such as a...
US-4,273,936 Rhodium-catalyzed oxidation process for producing carboxylic acids
A one-step process is disclosed for forming a carboxylic acid and its anhydride directly from the corresponding olefin which comprises reacting the olefin with...
US-4,273,633 Radiation curable dispersions containing high molecular weight essentially nonpolymerizable vinyl resins
Dispersions of high molecular weight, essentially non-polymerizable vinyl resins in mixtures of radiation curable monofunctional and polyfunctional acrylyl...
US-4,273,586 Tinted glassware
This invention is directed to transparent glass which, after thermal tempering demonstrates a tint defined by C.I.E. chromaticity coordinates and transmission...
US-4,273,382 Bodyguide and holddown system usable with dump trucks and trailers
A bodyguide and holddown system for use with dump bodies mounted on vehicles, such as dump trucks and dump trailers. The system has complementary first and...
US-4,272,584 Platable high heat ABS resins and plated articles made therefrom
A metal platable high heat ABS resin containing alkyl substituted silicone polymers and, optionally, up to 35% by weight of a bis-phenol polycarbonate and plated...
US-4,272,356 Coal extraction process
Sub-divided coal is extracted under non-thermally destructive conditions with a solvent liquid containing a compound having the general formula: ##STR1## ...
US-4,271,683 High humidity food chilling system
Warm food products are chilled to a sanitary storage temperature approaching 0.degree. C. without dehydration by introducing them into a cold humid 100% humidity...
US-4,271,499 Method and apparatus for digitally implementing a linked compressor-expander telecommunications system
A linked compressor-expander (LINCOMPEX) circuit for use in telecommunications is implemented digitally. A speech compressor circuit in a modulator and a speech...
US-4,271,133 Process for removing hydrogen cyanide from gaseous streams
This invention relates to a process for reducing the hydrogen cyanide content of a gaseous stream which comprises providing an adsorbent bed wherein the...
US-4,270,773 Permanently folded map in book form
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-4,270,469 Coal-feeding mechanism for a fluidized bed combustion chamber
The present invention is directed to a fuel-feeding mechanism for a fluidized bed combustor. In accordance with the present invention a perforated conveyor belt...
US-4,270,252 Apparatus to count and control crimps in a moving tow of yarn
Apparatus is disclosed to count and control crimps in a moving tow of yarn. The apparatus comprises a target (the tow of yarn), a stroboscopic light, condenser...
US-4,269,992 Preparation of hydrolyzable polysiloxane-polyoxyalkylene block copolymers
Hydrolyzable polysiloxane-polyoxyalkylene block copolymers are provided by refluxing a reaction mixture containing: (a) a polydihydrocarbonsiloxane comprising...
US-4,269,736 Parafin conversion catalyst
Drying of noble metal loaded mordenite in a humid atmosphere form a hydrated complex of the noble metal results in better catalytic activity of the ultimate...
US-4,269,098 Portable band saw
A portable band saw comprising a base having upstanding supports integral therewith, a U-shaped frame is pivotally supported on one of the upstanding supports,...
US-4,268,724 Continuous timed segment broadcast recorder system
A small continuous loop tape recorder is connected to receive audio signals from a broadcast receiver, and a timer is provided to activate the recorder at...
US-4,268,641 Acrylic acid-acrylate copolymer thickening agents
Copolymers of acrylic acid and nonionic surfactant acrylates have been found to be useful thickening agents for both aqueous solutions and water/liquid...
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