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Patent # Description
US-3,979,275 Apparatus for series electrowinning and electrorefining of metal
An electrodeposition cell in which high quality metal such as copper is produced on bipolar electrodes at a high current density. The bipolar electrodes are...
US-3,979,274 Membrane for enzyme electrodes
A laminated membrane for use with an enzyme electrode without the need for use of a compensating electrode. The laminated membrane comprises a layer of...
US-3,979,273 Method of forming aluminide coatings on nickel-, cobalt-, and iron-base alloys
A method of coating is described wherein a nickel-, cobalt- or iron-base alloy is provided with a oxidation and sulfidation-resistant coating by depositing, to a...
US-3,979,272 Method of producing semiconductor devices with minority charge carriers having a long lifetime and devices...
A method of fabricating semiconductor devices having a long lifetime for the minority charge carriers by applying a voltage across one electrode composed of a...
US-3,979,271 Deposition of solid semiconductor compositions and novel semiconductor materials
Solid layer semiconductor compositions are deposited by the simultaneous sputtering from a sputter target and electrically discharge a reacting gas preferably by...
US-3,979,270 Method for curing acrylated epoxidized soybean oil amine compositions
The amine derivatives of acrylated epoxidized soybean oil, which is the reaction product of epoxidized soybean oil with acrylic acid or methacrylic acid, are...
US-3,979,269 Method for obtaining tetracyclinehydrochloride
This invention provides method for obtaining tetracycline hydrochloride through interaction of a suspension consisting of tetracycline base in an organic solvent...
US-3,979,268 Method and apparatus for removing impurities from liquid metals
A method for removing an impurity from a liquid metal in which: a flow of the liquid metal containing the impurity is passed into a chamber containing a quantity...
US-3,979,267 Electrolytic method
It has been known that metals of groups IV-B, V-B, and VI-B of the periodic table, namely chromium, hafnium, molybdenum, niobium, tantalum, titanium, tungsten,...
US-3,979,266 Process for purifying aqueous solutions, of metal ions precipitating as arsenides, antimonides, tellurides, and...
A process for purifying aqueous solutions, of metal ions precipitating as arsenides, antimonides, tellurides, selenides, and tin and mercury alloys, wherein...
US-3,979,265 Recovery of metals from sulfur bearing ores
Sulfur monochloride is reacted with an ore containing iron, sulfur and a metal which forms a water soluble ammine complex or an ammonium-containing double salt,...
US-3,979,264 Band for carrying out microbiological examinations
A device for carrying out microbiological examinations. There is provided a base for carrying a large number of samples of bacteria supporting nutrient material...
US-3,979,263 Method for growing cultures in a body cavity in the presence of gas
Cultures of microorganisms can be grown in a body cavity by situating therein a nutrient on a suitable carrier while maintaining the nutrient exposed to a...
US-3,979,262 Compositions and methods for the determination of oxidizing agents
Compositions and methods are described for the determination of specific components in a biological fluid by a quantitative colorimetric determination of an...
US-3,979,261 Production of glucose isomerase by bacillus coagulans
A superior glucose isomerase is present intracellularly in an atypical B. coagulans characterized by an ability to grow on inorganic sources of nitrogen.
US-3,979,260 Production of deacetoxycephalosporin C
Deacetoxycephalosporin C can be produced with advantage by fermentation of a microorganism which belongs to the genus Streptomyces, Cephalosporium, ...
US-3,979,259 Process for the production of fermentation broth with increased vitamin B.sub.12 content by synchronizing the...
The invention relates to a process for the production of a fermentation broth with increased vitamin B.sub.12 content by a fermentation process carried out with...
US-3,979,258 Nuclear reactor
In a nuclear reactor of the kind which is charged with spherical reaction elements and in which control rods are arranged to be thrust directly into the charge,...
US-3,979,257 Boiling-water reactor
A boiling-water reactor has control rods operable from the top of the reactor pressure vessel and has control rod guide tubes structurally connected with...
US-3,979,256 Monitoring circuit for reactor safety systems
The ratio between the output signals of a pair of reactor safety channels is monitored. When ratio falls outside of a predetermined range, it indicates that one...
US-3,979,255 Method for operating a system with a variable excursion margin setpoint
A method for operating a nuclear reactor or any other machine or industrial process where it is of importance to terminate operation when a given parameter...
US-3,979,254 Secondary headbox for overlay application in board formation
A secondary headbox is described which is capable of handling water slurries of relatively high solids consistencies and applying the slurries to a base sheet as...
US-3,979,253 Method for dispersing glass fibers for the preparation of glass filter media
Beta Glass fibers are dispersed in a solution containing hydrochloric acid nd a hydrophobic fumed silicon dioxide treated with a silane thereby forming a slurry...
US-3,979,252 Apparatus for manufacturing cellular structures
A method and apparatus of continuously producing a cellular structure wherein plies of flexible sheets are fed under tension, one through a glue station wherein...
US-3,979,251 Apparatus for producing a pile carpet
Production of pile fabric with repetitive cutting of incremental lengths of fiber with a moveable cutter. The increments are sequentially packed onto a guide,...
US-3,979,250 Apparatus for making continuous lengths of resin tubes
Method and apparatus for making resin tubes or pipes, the apparatus comprising a supporting structure having a cylindrical surface and a carrier strip mounted...
US-3,979,249 Tire building apparatus
An inflatable shaping bag or diaphragm for a tire building or shaping former. The bag is based on an elastomeric sheet radially expansible but has high lateral...
US-3,979,248 Decal transfer press
A decal transfer press for transferring thermally transferable images from paper backings to cloth articles such as T-shirts has an upper platen which is motor...
US-3,979,247 Method and apparatus for decorating articles
A method and apparatus for decorating the outer surface of an article or ware at a plurality of decorating stations wherein registration between the decoration...
US-3,979,246 Heat-insulated exhaust pipe
A metal tube covered with a flexible and porous heat insulator is immersed in a processing liquid comprising a silica-containing salt and water followed by...
US-3,979,245 Insulation blanket and method and apparatus for making same
An insulating blanket is disclosed in which a semi-rigid mat of glass fibers is bonded on one side to a facing material. Lateral cuts are formed in the mat...
US-3,979,244 Resin bonded composite articles and process for fabrication thereof
A preconsolidated tape of continuous, high strength filaments in a metal matrix is coated with a layer of adhesive polymer and cut into shaped plies. The coated...
US-3,979,243 Method of maintaining edge strength of a piece of glass
A method of maintaining edge strength of a piece of glass i.e. preventing unintentional damage such as chips and/or scratches to the edges of the piece of glass...
US-3,979,242 Wallpaper dispenser and method of operation
A wallpapering method and dispenser therefor which is adapted to be set on the floor and when so positioned, wallpaper is pulled upwards from the dispenser and...
US-3,979,241 Method of etching films of silicon nitride and silicon dioxide
An etching liquid comprises ammonium fluoride or alkali fluoride dissolved in a polyvalent or higher alcohol.
US-3,979,240 Method of etching indium tin oxide
A method of etching a desired pattern in a layer of indium tin oxide formed on a substrate of a semiconductor or an insulating material in which the desired...
US-3,979,239 Process for chemical-mechanical polishing of III-V semiconductor materials
Method for combined chemical-mechanical polishing of III - V semiconductor planar surfaces by applying a weak aqueous hydrochloric acid solution in combination...
US-3,979,238 Etchant for silicon nitride and borosilicate glasses and method of using the etchant
Superimposed layers of silicon nitride and borosilicate glasses are etched with a mixture of phosphoric acid, fluoboric acid and glycerine at a temperature of...
US-3,979,237 Device isolation in integrated circuits
Isolation of device locations in a monolithic semiconductor integrated circuit is provided by depositing a thin film effective as a polishing stop on a planar...
US-3,979,236 Anti-erosive, solid rocket double-base propellant compositions
A means for reducing or eliminating the erosive burning which takes place ring the burning phase of solid propelled rocket motors which have a large ...
US-3,979,235 Depositing doped material on a substrate
A method of providing doped material on a substrate by chemical vapour deposition using a reactive gas. Variations in the doping level are obtained by displacing the...
US-3,979,234 Process for fabricating articles of tungsten-nickel-iron alloy
A high density W--Ni--Fe alloy of composition 85-96% by weight W and the remainder Ni and Fe in a wt. ratio of 5:5-8:2 having enhanced mechanical properties is...
US-3,979,233 Magnetic Ni-Cr-Mn-Ge-Fe alloy
An iron-nickel magnetic alloy is disclosed which includes chromium, germanium and manganese.
US-3,979,232 Mercury cadmium telluride annealing procedure
The stoichiometry and free-carrier concentration of mercury cadmium telluride is adjusted by a heat treatment. Mercury cadmium telluride is heat treated in the...
US-3,979,231 Method for producing large diameter steel pipes
A method for producing a large diameter steel pipe having excellent shape, toughness and tensile strength by subjecting the pipe to descaling and to heat...
US-3,979,230 Method of making isolation grids in bodies of semiconductor material
An isolation grid is produced by the migration of a metal-rich liquid zone of material through a body of semiconductor material. Planar orientation of the...
US-3,979,229 Temperature measuring device having a deformable temperature sensing head thereof
A temperature measuring device for electrically measuring the temperature at a predetermined point within a body member is disclosed. The device comprises a...
US-3,979,228 Battery operated appliance
A battery operated appliance having a casing provided with output means and a compartment for positioning disposable batteries utilized as a source of power for...
US-3,979,227 Method for catalyzing a fuel cell electrode and an electrode so produced
A porous conducting particle, hydrophobic bonded, substrate supported electrode is prewetted with the electrolyte. A D.C. voltage is applied to the electrode to...
US-3,979,226 Thermal generator with parallel circuits
An improved thermal generator is described which includes a plurality of film thermocouples which are vapor-deposited on an insulating carrier material. The...
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