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Patent # Description
US-4,419,169 Apparatus for radiant heat sealing of balloon onto catheter shaft
A thermoplastic member such as a length of tubing for forming a catheter balloon is sealed by radiant heat to a thermoplastic shaft of a medical device such as a...
US-4,419,168 Apparatus for handling gasket-forming material
Apparatus is provided for handling gasket-forming material. This material is usually supplied in tubular cartridge form and is dispensed to a screen with a...
US-4,419,167 Heat sealing apparatus and method
Profiled heat seals in plastic film are provided by opposed profiled heat sealing platens supported on endless chains. The platens are heated by contact with...
US-4,419,166 Method of assembling a filter holder
A device is disclosed for holding a membrane filter with use of a porous metal disk support for a membrane. In the method of assembly the metal disk and membrane...
US-4,419,165 Method of making a rotary drum filter and method of making an annular valve housing for such a drum filter
A substantially entirely plastic rotary drum filter is made by applying a layer of plastic to the interior surface of a cylindrical mold, removing the mold, and...
US-4,419,164 Method for making a self-lubricating liner
An improved floppy disk having a liner material into the fibers of which has been compounded identically the same lubricant as that compounded into the surface...
US-4,419,163 Pipeline coating method
A one step method of applying a sealant onto the inside surface of a pipe, such as a gas pipe, to repair any defective portions that are likely to cause a leak...
US-4,419,162 Vinyl repair composition and method
This invention relates to the repair of tears in vinyl chloride such as naugahyde, particularly when such materials form part of a covered seating material, by...
US-4,419,161 Method of producing composite ceramic articles
In accord with the present invention, a composite ceramic article may be produced by joining separate components of ceramic materials with a cement or brazing...
US-4,419,160 Ultrasonic dyeing of thermoplastic non-woven fabric
The ultrasonically bonded point bonds of non-woven fabric are dyed by applying liquid dye to the contacting crossing points of the fibers before or at the same...
US-4,419,159 Manufacture of plastic bags with interlocking profile extrusions
In the manufacture of plastic bags having interlocking profiled extrusions for the closure, the extruded plastic profile is applied to the moving web of film...
US-4,419,158 Process and apparatus for the production of a pipe of foam material with a closure
A process for the continuous manufacture of a closable pipe slotted in the longitudinal direction which is made from a sheet of a thermoplastic foam material...
US-4,419,157 Process and apparatus for manufacturing telecommunication cables filled with expansible powder
A process and apparatus for filling multi-conductor cables, particularly a telecommunication cable with several insulated wires surrounded by a covering and a...
US-4,419,156 Method of encapsulation
A method of encapsulating a substrate, especially a splice in a telephone cable, comprises (1) preparing an assembly comprising the substrate; an enclosure,...
US-4,419,155 Method for preparing ternary mixtures of ethylenediamine dinitrate, ammonium nitrate and potassium nitrate
An explosive ternary nitrate mixture of ethylenediamine dinitrate, ammonium itrate, and potassium is prepared by mixing together approximately stoichiometric...
US-4,419,154 Delay composition for detonators
An improved pyrotechnic delay composition of intermediate to slow burning time is provided for use in both electric and non-electric blasting caps. The...
US-4,419,153 Pyrotechnical delay charge
This invention refers to a pyrotechnical delay charge, i.e. a pyrotechnical charge having a very well defined rate of burning. Similar delay charges are...
US-4,419,152 Process for direct heat treatment of track links for tractors or tracked vehicles
Process for the manufacture of steel track links for tracked vehicles, comprising forging steel track links at an initial forging temperature of ...
US-4,419,151 Crystal and germanium modification and process for its preparation
A new crystalline modification of germanium is described, as well as a method of manufacturing it. This new crystalline germanium modification has an...
US-4,419,150 Method of forming lateral bipolar transistors
The invention is a sub-micron dielectrically isolated transistor and method of making the same wherein hundreds of such transistors may be fabricated on a single...
US-4,419,149 Method for quenching heated workpieces
A method and apparatus for quenching heated elongated workpieces by rotatably mounting the heated workpiece in a quench tank and subsequently rapidly flooding...
US-4,419,148 High-remanence Fe-Ni and Fe-Ni-Mn alloys for magnetically actuated devices
Magnetically actuated devices such as, e.g., switches and synchronizers typically comprise a magnetically semihard component having a square B-H hysteresis loop...
US-4,419,147 Phosphating process of metal surface
A process for phosphating a metal surface to be electrocoated, which comprises treating the metal surface with an acidic phosphating solution comprising a zinc...
US-4,419,146 Solder flux compositions
Solder flux compositions are prepared by forming a dispersion of a flux material in a liquid in which the flux is substantially insoluble. The composition may be...
US-4,419,145 Process for producing Nb.sub.3 Sn superconductor
In a process for producing at least one Nb.sub.3 Sn superconductor which comprises drawing a composite composed of a core of niobium or a niobium alloy and a...
US-4,419,144 Spall-resistant steel tubing or other steel articles subjected to high temperature steam and method
A process is disclosed herein in which the inner surface of a ferritic steel tube is subjected to relatively high temperature steam for a period of time, thereby...
US-4,419,143 Method for manufacture of aluminum alloy casting
A cast article of aluminum alloy is produced by pouring into a mold a molten Al-Si-Cu type or Al-Si-Cu-mg type casting alloy having an antimony (Sb) content in...
US-4,419,142 Method of forming dielectric isolation of device regions
A method of manufacturing a semiconductor device which comprises the steps of: forming on a semiconductor substrate a layer of a material more quickly oxidizable...
US-4,419,141 Cleaning labyrinthine system with foamed solvent and pulsed gas
A labyrinthine channel system which may contain parallel channels and dead-end zones is cleaned by flushing with a liquid solvent containing dispersed bubbles of...
US-4,419,140 Alkoxylated diquaternary ammonium compounds
Asphalt emulsifying compositions comprising alkoxylated diquaternary ammonium compounds, the cationic portion of the compound preferably including aliphatic...
US-4,419,139 Process for preparing coating binders from vegetable oil material
Vegetable oils or vegetable oil alkyds are emulsified in aqueous medium by means of a suitable emulsifying agent providing particles of oil or alkyd encapsulated...
US-4,419,138 Accelerator additive for cementitious compositions
Cementitious compositions exhibiting accelerated hardening including improved strength development are formed by the addition of from about 0.5% to about 10%...
US-4,419,137 Corrosion inhibitors, method of producing and protective coatings containing same
Corrosion inhibiting particles comprise an inorganic oxide which is silica or alumina, having corrosion inhibiting cations, particularly calcium or zinc cations,...
US-4,419,136 Expansive cement
An improved expansive cement and method of forming same. An expansive clinker containing a stable calcium alumino sulfate compound is separately ground to a...
US-4,419,135 Method of preparing cementitious compositions for tunnel backfill
A cementitious composition for backfilling and sealing tunnels and other underground structures comprising 12-16 parts sand, 3-6 parts cement, 1.5-3 parts water,...
US-4,419,134 Organic phosphoric ester containing water-dispersible aluminum paste as foaming agent in light-weight foamed...
Described is a water-dispersible paste composition of metal powder which contains: (a) metal powders, and; (b) from 0.1 to 20% by weight, based on the weight of the...
US-4,419,133 Bonded aggregate structures and production thereof
Bonded aggregate structures, processes for their production, improved wall, floor and ceiling panel structures laminated with bonded aggregate and methods for...
US-4,419,132 Printing ink
A non-petroleum base newspaper printing ink comprising a blend of Gilsonite (uintaite) flakes and tall oil fatty acids, together with carbon black pigment. The...
US-4,419,131 Flux for continuous casting
A granular flux is made by intimately mixing a particulate glass frit with carbon black. The glass frit typically employed has a particle size distribution such...
US-4,419,130 Titanium-diboride dispersion strengthened iron materials
A class of iron base materials which derive improved properties from the presence of a finely dispersed titanium diboride phase is described. The materials...
US-4,419,129 Heat resistant cast iron-nickel-chromium alloy
A heat resistant cast iron-nickel-chromium alloy outstanding in creep fracture strength at high temperatures and resistance to thermal shock and to carburizing...
US-4,419,128 Continuous melting, refining and casting process
In a continuous melting, refining and casting process which comprises, substantially in series, a step of melting and carburizing steel scrap, iron scrap and/or...
US-4,419,127 Metallothermal process for reducing metal oxides
In order to produce metals or ferroalloys, a mixture of metal oxides, reducing agents and possibly iron is ignited, to produce a metal melt as well as a slag...
US-4,419,126 Aluminum purification system
A method for extracting aluminum of substantial purity from furnace products resulting from carbothermic reduction of alumina-bearing ores and contaminated with...
US-4,419,125 Method for the preparation of brittle superconducting material in ultrafine particle form
This is a method for preparing submicron-superconducting particles for use in forming a ductile superconductor wire from brittle superconducting compounds. The...
US-4,419,124 Herbicidal 4-trifluoromethyl-3'-nitrogen-substituted-4'-substituted diphenyl ethers
The herbicidal 4-trifluoromethyl-3'-nitrogen-substituted-4'-substituted diphenyl ethers comprise a class of compounds that are highly effective herbicides.
US-4,419,123 Herbicidal 4-trifluoromethyl-3'-carbon-substituted-4'-substituted diphenyl ethers
The herbicidal-4-trifluoromethyl-3'-carbon-substituted-4'-substituted diphenyl ethers comprise a class of compounds that are highly effective herbicides.
US-4,419,122 Herbicidal 4-trifluoromethyl-3'-oxygen-substituted-4'-substituted diphenyl ethers
The herbicidal 4-trifluoromethyl-3'-oxygen-substituted-4'-substituted diphenyl ethers comprise a class of compounds that are highly effective herbicides.
US-4,419,121 N-Phenylsulfonyl-N'-pyrimidinylureas
N-Phenylsulfonyl-N'-pyrimidinylureas of the general formula ##STR1## and the salts thereof with amines, alkali metal or alkaline earth metal bases or with...
US-4,419,120 Control of prickly sida, velvetleaf, and spurred anoda with fungal pathogens
This invention relates to a method for biological control of multiple plant weeds, prickly sida, velvetleaf, and spurred anoda. The control is accomplished using...
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