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Patent # Description
US-4,710,587 Process for removing triorganophosphine from an organic liquid
A process for selectively removing alkyl substituted phosphine from an organic liquid containing same and triarylphosphine by treating said liquid with...
US-4,710,296 Static sieve feed control
In a static sieve assembly having a housing for mounting a sieve or screen, a feed box having a discharge spout for feeding material tangentially to and across...
US-4,710,064 Movable roof support and bolter system
A mine roof support system includes a plurality of truss members each having first and second ends which are positioned in spaced relationships one behind...
US-4,709,661 Waste bag
A waste bag for collecting solid waste excretions of a horse includes a bottom cup-like portion and a back portion extending upwardly from the rearward side of...
US-D292,997 Coin tossing gameboard target
US-4,708,812 Encapsulation of phase change materials
Solid phase change materials, such as CARBOWAX.RTM. polyethylene glycol 8000, are encapsulated in a condensation polymeric shell to provide heat storage material...
US-4,708,395 Remotely sensing of excavation cavity during mining
Method and apparatus for hydraulically mining a location using a hydraulic monitor which has horizontal and vertical positionable control apparatus. The...
US-4,708,322 Electrified fence gate
An electrified fence gate using a series of flexible electrically conductive gate wires extending generally vertically from a rigid support and being connected...
US-4,707,535 Low viscosity adducts of a poly(active hydrogen) organic compound and polyepoxide
This invention is directed to adducts of a poly(active hydrogen) organic compound and a polyepoxide comprising the reaction product of a poly(active hydrogen)...
US-4,707,205 Method for making an inflatable mandrel
An inflatable mandrel supported upon a cylindrical surface, the cylindrical surface opposing a mandrel ply coated on only one surface with a rubberizing compound...
US-D292,785 Floating boat trailer
US-4,705,176 Article vendor with adjustable column transfer provision for accomodating locally-prevalent space-to-sales ratio
A column vendor for articles such as generally cylindrical containers of beverage typified by cans or bottles of soft drinks is provided with an inexpensive and...
US-4,705,108 Method for in situ heating of hydrocarbonaceous formations
A method for extracting valuable constituents from underground hydrocarbonaceous deposits such as heavy crude tar sands and oil shale is disclosed. Initially, a...
US-4,704,754 Tension arch structure
A structural system for use in bridges, buildings and other structures. The system supports part of its load by tension action and part of its load by arch...
US-4,704,478 Process for the condensation of ketones
Two ketone molecules (which can be the same or different) can be condensed together in the presence of hydrogen to produce a higher ketone by contacting the...
US-4,704,378 Fluidized bed granulation of rehydratable alumina
The process of the present invention for preparing granules of alumina includes pretreating an alumina powder by admixing with cold water in a mixer at a...
US-4,704,153 Vacuum refining of glassy materials with controlled foaming
In the process for refining glass or the like by vacuum, the collapse of foam is expedited by heating the headspace within the vacuum chamber.
US-4,704,135 Apparatus for the conversion of coal to gas, liquid and solid products
An apparatus is provided for converting coal to gas, liquid and solid products. The coal is subjected to a pyrolysis reaction at a temperature of at least about...
US-4,703,084 Thermoplastic compositions containing nitrile rubber
Compositions comprising a vinyl aromatic compound-acrylonitrile copolymer, a nitrile rubber and a graft copolymer thereof possess good rubbery characteristics...
US-4,703,083 Grafted nitrile rubber blends as thermoplastic elastomers
Compositions comprising 100 parts by weight high (>50 wt %) nitrile rubber graft copolymer and from 20 to 50 pbw nitrile rubber are thermoplastic elastomers....
US-4,703,064 Process for producing alcohols
This invention relates to the manufacture of valuable alcohols containing 1 to 2 carbon atoms, especially ethylene glycol, methanol, and ethanol, from the...
US-4,701,667 Expandable starting aid ring for fluorescent lamp
Ring-shaped starting aids of spring steel for fluorescent lamps each include two U-shaped bends. These bends enable expansion of the rings to accommodate varying...
US-4,701,571 Process for the production of alkylene glycols with metalate-containing solids
An improved process for the hydrolysis of alkylene oxide to produce alkylene glycol which comprises: (a) reacting alkylene oxide and water in the presence of a ...
US-4,701,562 Process for the condensation of aldehydes
Aldehydes can be condensed with ketones or aldehydes to produce higher aldehydes or ketones by contacting the materials to be condensed with a nonzeolitic...
US-4,701,480 Stable, aqueous dispersions of polyurethane-ureas
The present invention is directed to a process for the preparation of aqueous polyurethane-urea dispersions with improved hydrolytic stability by (a) forming an...
US-4,701,474 Reduced reactivity polyols as foam controllers in producing polyurethanes foams
Reduced reactivity polyols are provided as foam controllers in the production of polyurethane foams. When the foam controllers are incorporated into polyurethane...
US-4,701,415 Controlled atmosphere enclosure
An incubator for laboratory use which includes a housing defining a thermally insulated inner chamber having a controlled gas atmosphere. Devices for sensing...
US-4,700,556 Protective visor for door handles
A protective visor for an automobile door handle in an outer door panel is provided and consists of a hood member secured to the outer door panel over the door...
US-4,699,666 Composition and method for de-installing asbestos coatings
A debilitant composition of water and a homopolymer of ethylene oxide having a molecular weight of from about 100,000 to about 5,000,000 and having a repeating...
US-4,698,440 Process for making n-butyl methacrylate
A batch process for preparing n-butyl methacrylate directly from n-butanol and methacrylic acid by employing azeotropic distillation and azeotropic phase...
US-4,698,424 Isocyanato-isocyanurate derivatives
The present invention relates to isocyanato-isocyanurates corresponding to the formula ##STR1## in which X.sub.1, X.sub.2 and X.sub.3 may be the same or...
US-4,698,212 Process and apparatus for cooling during regeneration of fluid cracking catalyst
In an apparatus for the regeneration of fluid cracking catalyst, the catalyst is cooled in a heat exchanger mounted to the lower side of the regenerator and cool...
US-4,697,639 Blow-out protector and fire control system for petroleum exploration
A blow-out protector and fire control system is located in a rotating Kelly flange assembly and flange housing. The blow-out protector is based upon compressing...
US-4,697,375 Fishing pole tip position signalling light assembly
A lightweight fishing pole tip signal light for indicating the position and movement of the tip portion of the fishing pole at night or under conditions of low...
US-4,696,680 Method and apparatus for the selective separation of gaseous coal gasification products by pressure swing...
Bulk separation of the gaseous components of multi-component gases provided by the gasification of coal including hydrogen, carbon monoxide, methane, and acid...
US-4,696,388 Conveyor belt scraper blade assembly with contoured surface
A conveyor belt scraper blade assembly having an elongate blade body made of a resilient material and having a longitudinally-extending belt scraping surface, a...
US-4,695,601 Polyphenylene ether thermoplastic protected from discoloration during processing
A thermoplastic composition is provided which comprises a polyphenylene ether such as the copolymer of 2,6-dimethylphenol with 2,3,6-trimethylphenol, with an...
US-4,695,324 Method for processing coal preparation plant washings for elimination of sludge ponds
The solids concentration obtained from the aqueous suspension derived from coal beneficiation plant streams can be promptly processed in stabilized load bearing...
US-D291,959 Grain scoop
US-4,693,826 Overflow for slurry tank
This invention describes an overflow system for a slurry storage chamber which chamber has a slurry input pipe tangentially mounted through a side wall of the...
US-4,692,647 Rotor construction in an induction motor for eliminating rotor reaction
To eliminate rotor reaction in an induction motor, double ring coils are wound on and through the rotor core in addition to the main coils at right angles to the...
US-4,691,789 Process for establishing a clear horizontal borehole in a subterranean formation
A process for establishing a clear, generally horizontal borehole path in a subterranean formation includes drilling a generally horizontal borehole using a...
US-4,691,466 Current killer, swift water floater
A swift water fishing device rectangular in shape with one side weighted for vertical bouyancy, a forward sloping three angled bow with a releasable three point...
US-4,690,964 Thermoplastic polyurethane compositions having improved flame resistance
The present invention is directed to a thermoplastic molding composition comprising thermoplastic polyurethane and an additive amount of an oligomeric...
US-4,690,955 Polyether silicone copolymers with mixed hydroxy alkoxy capping for stabilizing high solid content, molded,...
This invention describes novel molded flexible polyurethane foam surfactants which can be used in foam having high concentrations of reinforcing graft copolymer...
US-4,689,437 Oligomerization to alpha-olefins
An olefin oligomerization/cooligomerization process with a catalyst comprising the reaction product of (1) a transition metal compound selected from the metals...
US-4,687,877 Process for dimerization
A process for the dimerization of propylene or a C.sub.4 olefin or the codimerization of ethylene with propylene or a C.sub.4 olefin comprising passing the...
US-4,687,407 Three-point hitch loader
A loading device is releasably attachable to a conventional farm tractor or other vehicle, having a three-point hitch. The device includes a bar for providing a...
US-4,687,075 Locking safety platform for a ladder
This invention relates to an improved safety platform for attachment to a ladder. The locking means of the device is engaged and disengaged without the use of...
US-4,687,060 Production and grout liner for methane drainage in subterranean boreholes and method
A process is provided for sealing a degas hole in a coal seam prior to mining of the coal therein which includes the steps of inserting a perforated liner into...
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