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Patent # Description
US-4,384,067 Mineral-filled polycarbonate compositions of improved impact strength
A mineral-filled thermoplastic composition comprising polycarbonate, poly(alkylene) terephthalate and polyanhydride resin characterized in an improved impact is...
US-4,383,589 Pneumatic drive system for land vehicles
The present invention utilizes a power system based upon the use of compressed air. Each wheel of the vehicle is provided with a motor which is operated by...
US-4,383,070 Storage stable polyurethane compositions
The present invention is directed to an organic polyurethane composition having a solids content of about 10 to 100 weight percent which comprises (1)...
US-4,382,957 Symmetrical insecticidal bis-carbamate compounds
Symmetrical N-substituted bis-carbamoyl sulfide compounds exhibit exceptional broad spectrum pesticidal activity coupled with extremely low mammalian toxicity...
US-4,382,570 Draw band line support
The invention contemplates support structure for a conduit or the like wherein one of two cylindrically arcuate metal band parts incorporates mounting-bracket or...
US-4,381,791 Permanent wave mandrel device for hair
An improved permanent wave, mandrel device for hair, in which a small diameter rod forms a mandrel for rolling a tight curl of hair, the hair curl being pressed...
US-4,381,772 Bioerodible diaphragm
An improved contraceptive diaphragm is provided which has a bioerodible matrix that disintegrates in the vaginal fluids within a predetermined period of time....
US-4,381,390 Thermoplastic polyphosphonatophenyl ester carbonate from aryloxycarbonyloxy-benzoic acid aryl ester and...
A two step catalyzed process for the preparation of thermoplastic polyphosphonatophenyl ester carbonates comprising first, the preparation of an aryloxy...
US-4,381,223 Process for the treatment of organic amine compositions
This invention provides for the separation of an amine composition undergoing processing at high temperatures and pressures which amine composition contains...
US-4,381,161 Slurry recovery from a circular sump
A slurry recovery sump apparatus is formed from a substantially vertical sidewall and a substantially circular horizontal cross-section and includes a bottom. A...
US-4,380,948 Loading of wellbores with explosives
Bags of explosive are loaded rapidly into deep wellbores by suspending a rigid positioning tube partway into the wellbore, and loading the bags into the tube,...
US-4,380,618 Batch polymerization process
In the batch process for copolymerizing tetrafluoroethylene and selected comonomers to prepare a copolymer thereof, the improvement which comprises employing a...
US-4,380,131 Fish line hook setting attachment
A fishing line assembly is provided including a flexible base end portion for support from a support structure such as a fishing rod, a flexible free end portion...
US-4,379,758 Catalyst composition for polymerizing ethylene
Catalyst compositions suitable for producing high density ethylene polymers in a low pressure gas phase process with low accompanying ethylene hydrogenation are...
US-4,379,412 Sampling probe for stack gas monitoring system
A tube closed at the end by plugs having axial bores therein and which support a hollow, porous walled cylinder concentrically within the tube to form a conduit...
US-4,378,458 Novel chromogenic and/or fluorogenic substrates for monitoring catalytic or enzymatic activity
Novel substrates for monitoring of catalytic activity resulting in hydrolytic release of products which can be readily detected by spectrophotometric or...
US-4,378,449 Impact modified polycarbonates
Polycarbonates having improved impact performance are provided, comprising a blend of polycarbonate resin and an acrylic rubber interpolymer composite.
US-4,378,408 Silicate coated roofing granules
Roofing granules coated with insolubilized reaction product of a coating composition comprising water, kaolin clay, sodium silicate, pigment, and gas forming...
US-4,378,217 Terminal trainer keyboard and display apparatus for teaching keyboard operations and knowledge items
Terminal trainer keyboard and display apparatus for teaching keyboard operations and knowledge items and skills, including a keyboard array of touch keys...
US-4,377,545 Method of making corrugated reinforced thermoplastic pipe
Disclosed is a method of making corrugated reinforced thermoplastic pipe having interior and exterior tubes with corrugations therebetween, comprising extruding...
US-4,377,470 Immobilization of vanadia deposited on catalytic materials during carbo-metallic oil conversion
A process is disclosed for catalytic cracking a hydrocarbon oil feed having significant vanadium content to produce lighter products. The catalyst, from the...
US-4,377,064 Rod press fruit harvester
A rod press fruit harvester having a plurality of fruit removing rods combined with a mechanism for allowing movement of the harvester through a fruiting canopy...
US-D268,286 Post operative surgical binder/surgical dressing fabric of the plush back type
US-4,375,903 Vehicle suspension system augmenter
A vehicle suspension system augmenter includes one or more selectively actuatable hydraulic jacks positioned to elevate the frame of a vehicle with respect to...
US-D268,208 Post operative surgical binder/surgical dressing fabric of the plain back type
US-4,374,902 Nickel-zinc alloy coated steel sheet
An improved sheet steel suitable for the production of containers and the like has a thin composite coating of nickel and zinc plated on both sides thereof. The...
US-4,374,752 Catalyst and process for the conversion of methanol to acetaldehyde
A catalyst mixture is made with improved activity and selectivity to acetaldehyde by using an inert diluent and specifically defined concentrations of cobalt, a...
US-4,374,599 Security lock for door
A first stationary flange is supported from the free swinging edge of a door and projects outwardly of the opening side of the door. A second pivoted flange is...
US-4,374,288 Electromagnetic process and apparatus for making methanol
An electromagnetic methanol reactor system which includes an enclosed reactor chamber having a pair of electrodes positioned in the chamber and spaced from the...
US-4,374,278 Hydroformylation catalyst reactivation
Hydroformylation mediums, and a process for producing same, which are derived from a rhodium complex concentrate, as well as a hydroformylation process for...
US-4,374,226 Polycarbonate having improved hydrolytic stability
Polycarbonates are provided with hydrolytic stability by combining the polycarbonate polymer with a carboxylic acid salt of cadmium. The cadmium salt provides...
US-4,374,215 Polyester moldings
The addition of a select group of crosslinkable vinyl monomers to low shrinking polyester molding compositions containing unsaturated polyesters results in...
US-4,373,874 Fluid actuated pump system
A pump system includes a source of fluid under pressure conveyed into a fluid chamber containing meshing gears which are rotated by the pressurized fluid to, in...
US-4,373,853 Log handling machine
A log handling attachment for a bulldozer or similar vehicle consisting of a bracket assembly arranged to be detachably mounted on the rear portion of the...
US-4,373,454 Oil shale retorting and combustion system
The present invention is directed to the extraction of energy values from l shale containing considerable concentrations of calcium carbonate in an efficient...
US-4,373,111 Service poles
Service poles having improved structures, namely: extruded aluminum frame with special slots to removably retain covers and to mount receptacle retainers; pole...
US-4,372,891 Method of recovering pure toluene diisocyanate from a polymeric residue product
Polymeric residue including toluene diisocyanate is combined with a solvent having a low affinity for polymer solution and a high affinity for toluene ...
US-4,372,758 Degassing process for removing unpolymerized monomers from olefin polymers
A degassing or purging process is disclosed for the removal of unpolymerized gaseous monomers from solid olefin polymers. The disclosed process comprises...
US-4,371,977 Method for detecting solidification in a mixed phase container
A method for detecting solidification in a mixed phase low pressure fluidized bed olefin polymerization reactor having volume comprising: A. disposing a radiation...
US-4,371,303 Railway car fabrication facility
A railway car fabrication facility includes cranes for moving right and left hand railway car sides having a bulbous portion and a flat portion. One crane picks...
US-4,370,759 Face guard mount for helmets
Shock absorbing mounts for the face guard of a helmet having a substantially rigid shell and being connected to the shell allow substantial movements of the face...
US-4,370,456 Catalyst composition for copolymerizing ethylene
Ethylene copolymers having improved resistance to pinstriping and gel streaking when extruded into film can be produced by continuously copolymerizing ethylene...
US-4,370,376 Tetrafluoroethylene polymer dispersions
Tetrafluoroethylene polymer coating dispersions when coated on glass fabric improve acid resistance of the fabric if the dispersions contain a selected silane,...
US-4,369,305 Polyamide molding resin from PACM having specific stereo isomer ratio
Novel tetrapolymers are described consisting of equimolar amounts of (1) isophthalic and terephthalic acids, and (2) hexamethylene diamine and PACM in specific...
US-4,369,300 Acrylated urethane silicone compositions
Acrylated urethane silicone compositions are formed from the reaction of a silicone carbinol, a polyisocyanate and a hydroxy-functional acrylate. These...
US-4,369,189 Novel unsymmetrical formamidine-sulfenylated carbamate compounds
Novel unsymmetrical formamidine-sulfenylated carbamate compounds exhibit broad-spectrum insecticidal, miticidal and nematocidal activity.
US-4,368,530 Acoustic dampening assembly for record player turntable
An acoustic dampening assembly of decoupling devices for blocking, absorbing, and deadening collision course vibrations. These decoupling devices are disposed:...
US-4,368,498 Ground conductor monitoring system
Disclosed is a ground conductor monitoring system which makes efficient use of an audio signal to continuously check the continuity of at least the ground...
US-4,368,077 Latex compositions and products made therefrom
A latex containing a wax additive, useful for example in cement mortar compositions for application in thin layers such as on bridge deck overlays, overpasses,...
US-4,367,996 Tab opener end closure assembly method
An improved tab opener and retained-tab easy-open structure and end closure assembly method are disclosed. The tab opener is fabricated from flat-rolled sheet...
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