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Patent # Description
US-4,879,401 Process for removal of impurities in alkyl nitrite formation
A process is provided for removing impurities from the gaseous product of an alkyl nitrite production zone by contacting a portion of it with lower alcohol and...
US-4,879,362 Modified polytetrafluoroethylene resins
New modified non-melt-fabricable polytetrafluoroethylene resins have now been found which can be compounded with elastomers or plastics without the deleterious...
US-4,879,322 Continuous process for the production of aqueous polyurethane urea dispersions
The present invention is directed to a continuous process for the production of aqueous polyurethane-urea dispersions by (a) mixing an emulsifiable...
US-4,878,922 Fireplace starter composition
An immediate slow burning granular composite for firing up fireplace logs and kindling wood. The composite is wrapped in a cellophane film and packaged in an...
US-4,878,038 Circuit protection device
Multiple embodiments of a device suitable for arrangement in a circuit for protection of components in the circuit are disclosed, the device of each embodiment...
US-4,877,886 Process for the production of alkylene carbonate
Cyclic alkylene carbonates are produced by the homogeneous catalytic reaction of alkylene oxides with carbon dioxide during which process, polyglycols are...
US-4,877,815 Nucleating agents for thermoplastic resins
This invention relates to the use of a special class of sulfonic and phosphonic acids, and salts of the acids, to give improved nucleation for foam extrusion of...
US-4,877,587 Fluidized bed polymerization reactors
A fluidized bed reactor and operating process is disclosed, the reactor including distributor plate means to provide distribution of fluid passing upwardly into...
US-4,877,461 Nickel-base alloy
The stress-rupture strength of a nickel-chromium-molybdenum-cobalt alloy is enhanced by reason of a special morphological microsctructure which in terms of...
US-4,877,435 Mechanically alloyed nickel-cobalt-chromium-iron composition of matter and glass fiber method and apparatus for...
A mechanically alloyed composition of matter or alloy containing 30-40% chromium, 5-25% cobalt, 0.5-10% iron, 0.2-0.6% aluminum, 0.3-1.2% titanium, up to 0.15%...
US-4,876,320 Process for reducing sheeting during polymerization of alpha-olefins
A process for reducing sheeting during production of polyolefins by polymerization of alpha-olefins utilizing titanium based polymerization catalysts wherein the...
US-4,876,080 Hydrogen production with coal using a pulverization device
A method for producing hydrogen from coal is described wherein high temperature steam is brought into contact with coal in a pulverizer or fluid energy mill for...
US-4,875,597 Convenience packaging
A rigid sheet metal substrate can body (50) and end closure (92) provides dependable tamper-evident and abuse-resistant packaging for shipment and long...
US-4,875,463 Stove top adapter
A stove top adapter is provided which is constructed so that a collar is provided on the top side thereof whereby a pipe can be received to be vented through a...
US-4,874,896 Process for the production of alkylamines
This invention relates to a process for preparing an alkylamine by contacting an alcohol and at least one of ammonia, a primary amine, a secondary amine or a...
US-4,874,798 Photocopolymerizable compositions based on epoxy and hydroxyl-containing organic materials and substituted...
This invention is directed to photocopolymerizable compositions comprising an epoxide containing two or more epoxy groups, a poly (active hydrogen) organic...
US-4,874,313 Refractory clad lid for heating vessel
A refractory clad lid for heating vessel is disclosed. The lid includes a plurality of refractory blocks supported from a hollow metal paney by an interlocking...
US-4,873,935 Combined canoe seat and portage yoke
The present invention is a combined canoe seat and portage yoke which comprises fore and aft support members adapted to extend across the width of the canoe,...
US-4,873,741 Sliding door roller apparatus
A sliding door roller apparatus includes a replaceable wheel assembly that can be easily removed and replaced on a holding member. The wheel assembly includes a...
US-4,873,390 Chemical conversion process
A process for catalytically converting a feedstock into a product which comprises: (a) contacting the feedstock with a solid composition comprising an effective...
US-4,873,325 Process for the production of amides
Oximes can be converted to the corresponding amides by contacting the oximes with a non-zeolitic molecular sieve, which has in its calcined form an adsorption of...
US-4,873,017 Heterogeneous alkoxylation using anion-bound metal oxides
Active-hydrogen compounds, for example, primary and secondary alcohols or diols, are alkoxylated, for example, ethoxylated, using solid anion-bound metal oxide...
US-4,872,598 Dusting apparatus
An apparatus for dispersing duct material into the atmosphere at low concentration levels and substantially uniform rates, wherein the apparatus has a tank, a...
US-4,872,215 Chest protector
A protector for use in sporting activities which is sized to cover the chest and abdomen of its wearer is provided with an outer layer formed of a light-weight...
US-4,871,511 Maraging steel
The present invention is directed to maraging steels, and particularly to a maraging steel of the cobalt-free type possessing such a combination of strength and...
US-4,870,770 Safety mechanism for firearms
A three-position firearm safety mechanism has bolt lock arm, user-operated lever and sear safety arm including inner eccentric end members interconnected by a...
US-4,869,880 Apparatus for the separation of solid particulates from a gaseous effluent
An apparatus for separating solids and vapors from a suspension of the two materials is disclosed. The solids are directed through a conoid element to enhance...
US-4,869,737 Apparatus for cleaning air in coal mines
The apparatus includes a large-capacity main blower for drawing in air from the face of coal being mined. The main blower draws the air sequentially through a...
US-4,869,358 Conveyor belt system for a continuous mining machine
A conveyor system for use with a continuous mining machine in a straight line shaft includes a plurality of cable support members equally spaced along the length...
US-4,867,679 Orthodontic ligature
An orthodontic device comprising filament and one or more retaining sheaths through which the filament is looped, useful for retaining wires on orthodontic...
US-4,867,469 Front mount trailer hitch
A bumper hitch for quick and firm connection to the bumper of a variety of vehicles is particularly adapted for connection to the front bumper to allow...
US-4,867,457 Golf putter head
A golf putter head has a vertical front face, a bottom surface, and a inclined face extending from a lower edge of the front face to a leading edge of the bottom...
US-4,867,411 Manhole invert casting system
A plurality of invert forming mold members are bolted together and have their ends received in internal frames provided at adjacent pipe openings in a manhole....
US-4,867,116 Aircraft exhaust valves
A spark-ignited internal combustion engine exhaust valve having on critical surfaces thereof, e.g. on the stem where exhaust gases impinge, an aluminide from the...
US-4,867,079 Combustor with multistage internal vortices
A fluidized bed combustor is provided with a multistage arrangement of vortex generators in the freeboard area. The vortex generators are provided by nozzle...
US-D303,493 Hanger unit for cable or similar articles
US-4,866,126 Polymer blend compositions including copolymer compatibilizing agents
Polymer blend compositions comprise a polyphenylene ether polymer, a styrene-acrylonitrile polymer and a copolymer compatiblizing agent in an amount sufficient...
US-4,865,760 Calcium hypochlorite composition
Granular calcium hypochlorite containing from about 0.001 to about 1.0 weight percent of finely-divided polyfluorinated polymer, e.g., polytetrafluoroethylene,...
US-4,865,758 Paint removing composition containing lower alkyl-substituted 2-oxazolidinones
A paint removing composition comprising lower alkyl-substituted 2-oxazolidinones is disclosed. Also disclosed are methods for softening and removing paint which...
US-4,865,283 Merchandising display stand
A multi-component merchandizing stand having tiered article support racks and/or trays which are interchangeably mounted for rotational movement with respect to...
US-4,865,130 Hot gas generator with integral recovery tube
A housing surrounds a portion of a tubular member forming a combustion chamber in the annulus between the housing and the tubular member. The housing has an...
US-4,865,023 Ankle support apparatus
This invention relates to an ankle support device which may be worn separately or incorporated into footwear, and which provides a method for bracing the ankle...
US-4,864,749 Tag for identifying survey traverse points
An alphanumeric identification device for land and construction survey traverse control points comprised of a fluorescent plastic tag with metal detector...
US-4,864,078 Activation kits for presets
For a preset having a cover and an annular ring supporting the cover, structure to releasably hold the cover in closed position and to move the cover with...
US-4,863,060 Flat-rolled steel can stock product
Composite-coated flat-rolled steel can stock processing and product for fabrication of sheet metal cans, in particular for three-piece, welded or cemented side...
US-4,862,521 Watch supporting, protecting and insulating device
A watch supporting, protecting and insulating device, wherein, a glove has a pocket, which retains and protects a timepiece, permits viewing of the timepiece,...
US-4,861,938 Chemical conversion process
A process for converting a feedstock containing 1 to about 6 carbon atoms per molecule which includes (a) contacting the feedstock with a solid composition...
US-4,861,918 Reactivation of hydroformylation catalysts
A process for improving the catalytic activity of a partially deactivated solubilized rhodium - tertiary organophosphine complex hydroformylation catalyst.
US-4,861,845 Polymerization of fluoroolefins
The polymerization of fluoromonomers can be accomplished without fouling by using gaseous monomers in the presence of at least one nonvolatile initiator and by...
US-4,861,684 Electrical safety system for batteries
In this invention for totally eliminating the fire and/or electrical hazards associated with maintaining batteries for both automobiles and aircraft use, a...
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