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Patent # Description
US-3,979,225 Nitrogen dioxide regenerative fuel cell
A fuel cell is disclosed in which the cathode is a gaseous diffusion fuel cell electrode operating with an acid electrolyte and nitrogen dioxide (NO.sub.2) alone...
US-3,979,224 Fuel cell battery consisting of a plurality of fuel cells
A fuel cell battery consisting of a plurality of fuel cells which are individually enclosed by plastic frames for reacting gaseous reactants and a liquid...
US-3,979,223 Electrochemical impregnation of electrode for rechargeable cell
An improved system for electrochemical impregnation of active material into an electrode for a galvanic cell comprises utilizing a constant potential during the...
US-3,979,222 Method and device for connecting elements of a forced flow electrochemical storage cell
An electrochemical storage cell is formed by connecting up elements in hydraulic and electric series and, in each of the elements, in electrically insulating the...
US-3,979,221 Water system deliming apparatus
A portable apparatus for use in deliming conduits and containers and other devices utilizing a water supply in which deposits of lime occur during use, with the...
US-3,979,220 Method for treating and rinsing metal articles
Metal articles are sequentially treated in a surface-treatment tank containing a solution of surface-treating agents, then rinsed in a plurality of...
US-3,979,219 Wood finish remover
An acidic wood finish remover formulation which consists essentially of a mixture of hydroxyacetic acid in methylene chloride solution. A vapor pressure...
US-3,979,218 Process for preparing cement
A cement composition yielding alkaline-resistant bonds consisting of a mixture of a) a solution of at least one partially etherified methylol phenol and at least...
US-3,979,217 Lightweight cellular cement compositions and methods of casting the same
The present invention relates to novel lightweight cellular cement compositions, methods of preparing such compositions and methods of casting the compositions...
US-3,979,216 Low thermal expansion coefficient synthetic cordierite-containing ceramic bodies and method for producing same
Synthetic cordierite (2Mg0,2Al.sub. 2 O.sub. 3.5SiO.sub. 2) ceramic bodies exhibiting low thermal expansions are characterized by a microstructure containing...
US-3,979,215 Refractory articles and methods of producing same
A gel is prepared through the intermediary of an acid hydrolysate. The hydrolysate is produced by the hydrolysis of an organic silicate with the metal salt whose...
US-3,979,214 Sintered alumina body
A polycrystalline monolithic sintered alumina refractory body (for use as kiln furniture, and crucibles or nozzles for containment of molten metal) is of fine...
US-3,979,213 Spectrally sensitized silver halide emulsion containing an internal metal dopant
This invention relates to improved spectral sensitization of silver halide emulsions containing silver halide grains having metal dopants occluded therein. In...
US-3,979,212 Laminated lithographic printing plate
An inexpensive, strong, durable noncracking, high fidelity lithographic printing plate comprises a soft temper aluminum sheet laminated to a nonstainless steel...
US-3,979,211 Vesicular image transfer process
Method and media for producing a vesicular image suitable for use in the recordation of microform information on an add-on basis. A vesicular film (imaging film)...
US-3,979,210 Migration imaging member employing a surface skin
An imaging method is disclosed comprising providing an imaging member comprising a first layer of softenable material containing migration material overlying a...
US-3,979,209 Ductile tungsten-nickel alloy and method for making same
The present invention is directed to a ductile, high-density tungsten-nickel alloy which possesses a tensile strength in the range of 100,000 to 140,000 psi and...
US-3,979,208 Ductile aluminum bronze alloy and article
An aluminum bronze alloy for forming corrosion resistant articles by cold working, the alloy comprising by weight 5% to 8% Aluminum, 0.1% to 2% Cobalt and 0.10%...
US-3,979,207 Refining of noble group metals
This invention relates to the separation and purification of platinum group metals and, in particular to the separation of mixtures of rhodium, platinum and...
US-3,979,206 Process for the preparation of magnesium
The invention relates to a process for the preparation of magnesium by reducing an oxidic magnesium containing material with carbon at a temperature between...
US-3,979,205 Metal recovery method
The present invention is a method of treating sea or land carbonaceous ore or reconstituted, formerly carbonaceous ore to recover therefrom noble metal values....
US-3,979,204 Plant growth regulant compositions comprising 2-cyano-bicyclo[2,2,1]heptane
Plant growth regulant compositions containing as an active ingredient 2-cyano-bicyclo[2,2,1]heptane exhibit strong growth regulating activity, e.g., to induce...
US-3,979,203 Sulfonamido herbicidal compositions and plant control methods using the same
The present invention relates to novel substituted-1-phenol-4-sulfonamides and salts thereof. It also relates to a method for controlling undesirable plant...
US-3,979,202 Meta-bifunctional benzenes and herbicidal compositions
Meta-bifunctional of the general formula ##EQU1## wherein A is selected from the groups ##EQU2## These compounds possess herbicidal activity.
US-3,979,201 Chemical regulation of plant growth
Effective plant growth regulation is obtained by the application of 3-thiabicyclo(3.2.0)heptane-6,7-dicarboxylic anhydride 3,3-dioxide to plants.
US-3,979,200 N-nitroso-N-phosphonomethyl glycine compounds and herbicidal use thereof
N-Nitroso-N-phosphonomethylglycine compounds have been produced by the reaction of an inorganic nitrite and N-phosphonomethylglycine. These compounds are useful...
US-3,979,199 Treatment of phosphate rock in soil to provide fertilizer and gypsum
Pulverized phosphate rock is spread onto or mixed into soil which is to be fertilized. The soil is then treated with a solution of sulfurous acid, usually the...
US-3,979,198 Polyurethane plant growth medium
A plant growth medium is disclosed having a polyurethane matrix with at least 40% and preferably 50 to 55% open cells, and from about 36% to about 50% (and more...
US-3,979,197 Method of operating glass melting furnace
An electrically-heated, glass-melting furnace has an infrared-absorbing material located along the side walls to intercept energy from the heat source in the...
US-3,979,196 Method for the hot-working of glass
The undulation of hot-moulded glass is avoided when the cooling of the glass edge layers in the first phase of the moulding operation is delayed and is...
US-3,979,195 Glass fiber orifice plate
A method and apparatus for forming glass fibers employing a generally flat orifice plate having closely spaced orifices is disclosed. A bulk flow of upwardly...
US-3,979,194 Dust filter
An efficient unit for placement on the exhaust cylinder of a dust collector, etc., the unit having a cylindrical filter through which the air passes and deposits...
US-3,979,193 Corona discharge apparatus
A apparatus for controlling the amount of polluting substances within a fluid such as the exhaust gas of an internal combustion engine, wherein the polluted...
US-3,979,192 Control of foam generation in gas-liquid separation towers
An antifoam composition is introduced as an aerosol into the main gas stream entering a gas-liquid separation tower. The main gas stream carries the small...
US-3,979,191 Method for denitrating exhaust gases
Exhaust gases are denitrated by a method comprising removing NO from exhaust gases which comprises washing the exhaust gas with a first aqueous solution...
US-3,979,190 Series feed membrane stack
A plurality of selectively permeable membrane cells are mounted in parallel spaced-apart relationship to form a stack. Each cell includes a substrate and...
US-3,979,189 Electrostatic filter
An electrostatic filter for separating particles suspended in air has an electrically conducting elongate separation tube and an elongate electrode within the...
US-3,979,188 Partial oxidation carbon removal process
Unreacted carbon produced during the partial oxidation of fossil fuel is removed from the reactor gaseous effluent with water, resulting in a carbon-water...
US-3,979,187 Vacuum-tight metal-ceramic soldered joint
A vacuum-tight metal-ceramic soldered joint and a method of producing such joint wherein the joint includes a ceramic member having an aperture defined therein,...
US-3,979,186 Steel rod for prestressing concrete
A steel rod for prestressing concrete which is enclosed in concrete to introduce prestress in said concrete (hereinafter called a P. C. steel rod). The P. C....
US-3,979,185 Catalytic converter having plural reaction stages with temperature-comparing means therein
A catalytic converter for controlling unburned emissions from automotive exhaust gases includes a reactor chamber having inlet and outlet openings for passage of...
US-3,979,184 Diagnostic device for visually detecting presence of biological particles
Devices for the detection of biological particles, particularly proteins. Such devices comprise a non-transparent surface of metal (solid metal or a ...
US-3,979,183 Heat exchange and flow control system for series flow reactors
A heat exchange method and flow control system for a hydrocarbon conversion process having two reactors in series which allows efficient heat recovery and...
US-3,979,182 Chemical detection of nitrogen containing compounds
A stable detector composition comprising a lower alkyl alcohol, a dialkyl tone, a nitrobenzene and collodion for compounds having the formula ##EQU1## ...
US-3,979,181 Tape transport for luminescent reaction testing
An improved apparatus for testing a sample by means of luminescent reaction to detecting reactive materials therein. A translucent ribbon of filter material is...
US-3,979,180 Stabilized crosslinked polyethylene and ethylene-vinyl acetate
Low density polyethylene and mineral-filled ethylene vinyl acetate copolymers are stabilized by using an anti-oxidant combination of a hindered phenol and/or a...
US-3,979,179 Process and composition for reducing evaporation of volatile liquids
This application discloses a composition and method for gelling volatile liquids and the gelled volatile liquid. The composition comprises a cellulose ester...
US-3,979,178 Finishing of cellulose fabrics with N-methylol amide crosslinking agents, magnesium sulfate and sulfuric acid
Improvement in the strength of fabric finished for durable press properties with an N-methylol amide cross-linking agent and sulfuric acid catalyst is obtained...
US-3,979,177 Method for the manufacture of voluminous blended yarns and fabrics and knittings to be manufactured from them
A method for the manufacture of voluminous blended yarns and fabrics, consisting of flax fibers and non-shrinkable synthetic fibers, which yarns or fabrics are...
US-3,979,176 Process for the continuous level processing of poly-acrylonitrile in the hydrated condition
A process is described for the continuous processing of fibers produced in the wet spinning process, particularly for the continuous dyeing and/or optical...
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