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| Patent # | Description |
|---|---|
| US-3,979,325 |
Windowless cryostatic device for low-temperature spectrometry A cryostatic device employed mainly in infrared spectrometry comprises a vertical open-topped vessel having heat-insulating reflecting walls and containing a... |
| US-3,979,324 |
Dye solvents for pressure-sensitive copying systems Solvent compositions useful to dissolve dyes employed in pressure-sensitive copying systems comprise: A. about 45 to 75 weight percent of one or more compounds having... |
| US-3,979,323 |
Method of making a bituminous emulsion A method of making a bituminous emulsion in which a fatty acid is mixed with a water solution of a base to form a water dispersion of said acid. Said dispersion... |
| US-3,979,322 |
Phosphate glass for laser use Glass for laser use, comprising the oxides of the following elements having the following mol percentage composition: Wherein the ratio of the sum total of the oxides... |
| US-3,979,321 |
Mixture of liquid crystals exhibiting positive dielectric anisotropy and
a wide mesomorphic range A mixture of liquid crystals comprising a substance which imparts a medium positive dielectric anisotropy, and substances which widen the mesomorphic temperature... |
| US-3,979,320 |
Liquid crystal composition A liquid crystal composition having a homogeneous alignment of the liquid crystalline molecules, comprises a liquid crystal material, for example, nematic,... |
| US-3,979,319 |
Liquid crystal composition A liquid crystal composition comprises a liquid crystal and a carboxylic acid or its ester as an additive. By the presence of the additive, the longitudinal axes... |
| US-3,979,318 |
Stabilized sodium percarbonate composition Sodium percarbonate is stabilized by mixing therein sodium perborate and a hydrophobic liquid organic compound. |
| US-3,979,317 |
Volatile cleaning solution for photoreceptors The photoreceptor cleaning composition is provided which includes a lower alcohol, ultrapure water and a surfactant, 3,5-dimethyl-1-hexyn-3-ol. This cleaning... |
| US-3,979,316 |
Pelleted sulfur compositions and processes for their production Pelleted sulfur compositions consisting essentially of particles of sulfur which include a substantial proportion of carbon-disulfide-insoluble sulfur particles... |
| US-3,979,315 |
Method for treating scale Composition and method for the treatment of inorganic mineral scale, particularly calcium and/or barium sulfate scale, using a treating composition consisting of... |
| US-3,979,314 |
Detergent compositions Finely divided calcium carbonate used in a detergent composition containing sodium carbonate as a detergency builder, is treated before drying with a ... |
| US-3,979,313 |
Bleaching composition A bleaching composition comprising a hydrogen peroxide adduct having the formula: and an activating agent. |
| US-3,979,312 |
Detergent composition containing novel bleaching agent A neutral detergent composition containing a bleaching agent having the formula: |
| US-3,979,311 |
Corrosion inhibitor compositions A synergistic mixture of an alkynyl cycloalkanol and an N,N'-dicycloalkyl-thiourea is used as an inhibitor in protecting metals from acid attack when cleaning... |
| US-3,979,310 |
Process for preparing ferromagnetic chromium dioxide Ferromagnetic chromium dioxide is prepared by thermally decomposing, at a temperature of 250.degree.-500.degree.C, and a pressure of at least 80 atmospheres, a... |
| US-3,979,309 |
Lubricating oil additive Additives which are useful in lubricating oils, and particularly in two-cycle engine lubricating oils, comprise an admixture of a major amount of the salt of two... |
| US-3,979,308 |
Lubricant compositions with improved viscosity index Disclosed are lubricant compositions containing adducts of an amine with a phosphate ester of the formula: ##EQU1## wherein R is hydrogen or alkyl having up... |
| US-3,979,307 |
Fabric softener composition A composition for imparting softness to fabrics by utilizing an aqueous dispersion of a di(secondary alkyl) ammonium sulfate or phosphate. |
| US-3,979,306 |
Method and composition for finishing clothings to prevent yellowing Clothings are treated with a finishing agent composition containing one or more of the following compounds blended... |
| US-3,979,305 |
Low fluid loss additive composition An oil-soluble, water-insoluble low fluid loss additive composition comprising a particulated, homogeneous solid solution of (1) wax; (2) an oil-soluble... |
| US-3,979,304 |
Method for drilling and treating subterranean formations using a low
fluid loss agent Well drilling, completion and workover operations, hydraulic fracturing, acidizing, and other well treating operations are improved by the addition to the... |
| US-3,979,303 |
Oil well drilling fluid A drilling fluid containing a novel heteropolysaccharide, Heteropolysaccharide S-7. A method for the drilling of oil wells, gas wells and the like which involves... |
| US-3,979,302 |
Oil and gasoline fire extinguishing composition and method of making Compositions comprising a polymerized (hydrated amide-amine complex), a method of making the same, fire extinguishing compositions containing the same as active... |
| US-3,979,301 |
Immersion oil for microscopy An immersion oil for microscopy is produced by blending 10 to 90 parts by weight of chain hydrocarbon having 200 to 5,000 of molecular weight and 10 to 90 parts... |
| US-3,979,300 |
Three frequency modulated combination thermal neutron lifetime log and
porosity Methods are disclosed for measuring simultaneously the thermal neutron lifetime of the borehole fluid and earth formations in the vicinity of a well borehole,... |
| US-3,979,299 |
Pressure filter with continuously or intermittently movable filter cloth The invention relates to an apparatus for filtering fluids comprising a magazine chamber from which the cloth is transported continuously or intermittently over... |
| US-3,979,298 |
Fluid separating apparatus Fluid separating apparatus in which a stack of membrane support plates are clamped between two end plates, each membrane support plate including two elementary... |
| US-3,979,297 |
Membrane support-plates for fluid separating apparatus and apparatus
using such support-plates Membrane support-plates for fluid separating apparatus, and apparatus using such support-plates, wherein the support-plates are generally rectangular, being... |
| US-3,979,296 |
Filter A filter consisting of two endless belts of filter material having runs pressed together, of means pressing a run of one belt against the adjacent run of the... |
| US-3,979,295 |
Folded membrane dialyzer with mechanically sealed edges A semipermeable membrane is folded in accordion fashion to form a stack of pleats and the edges are sealed so as to isolate the opposite surfaces of the... |
| US-3,979,294 |
Clarification plant A clarification plant has an activation tank which is provided with a surface ventilation rotor. Activated sludge from a re-clarification tank is recycled by... |
| US-3,979,293 |
Apparatus for the purification of effluent An improved process for the purification of effluent is disclosed in which oxygenated effluent is introduced into a treatment zone in which a part of the total... |
| US-3,979,292 |
Duplex filter system A duplex filter system having two filterized fluid flow circuits for maintaining continuous fluid flow to an engine or similar liquid utilizing device during a... |
| US-3,979,291 |
Oil boom and method of skimming floating oil from the surface of a body
of water An oil boom assembly for collecting lighter liquid from the surface of a body of water includes a plurality of elongated, parallel rows of vertical, buoyant,... |
| US-3,979,290 |
Apparatus and process for controlling and regulating the freedom of
suspended matter There is provided an apparatus for automatically controlling and regulating the freedom from suspended matter of quiescent reservoir overflow liquid in... |
| US-3,979,289 |
Filtration method Filtration in an internal rotary filter system is improved by externally impacting the filter screen as it rotates with a programmed spray of liquid that is... |
| US-3,979,288 |
Double-flow magnetic filter, apparatus and method Electromagnetic filter apparatus and method for impure water including an elongated substantially vertically disposed vessel traversible by impure water that is... |
| US-3,979,287 |
Adsorption process A process for recovering a dissolved component in high concentration from liquid streams containing said component in low concentration comprising adsorbing said... |
| US-3,979,286 |
Removal of heavy metal ions from aqueous solutions with insoluble
cross-linked-starch-xanthates An insoluble-starch-xanthate composition is prepared which is capable of removing most heavy metal ions from aqueous solutions. Concentrations of heavy metal... |
| US-3,979,285 |
Process for the purification of industrial effluents A novel process for purifying industrial effluents which comprises bringing said effluents into contact with cellulosic absorbent which has been pretreated with... |
| US-3,979,284 |
Artificial haemodialysis kidneys An artificial haemodialysing kidney and method of operation in which the haemodialyser has one chamber connectable to a blood stream and another chamber on the... |
| US-3,979,283 |
Microbial degradation of DDT A process for the microbial degradation of DDT which comprises treating the DDT with certain nonpathogenic, hydrocarbon-utilizing strains of Nocardia, Candida... |
| US-3,979,282 |
Flotation of fine-grained materials A process for treating fine minerals, for example clays, to separate therefrom mineral impurities. The fine mineral is conditioned in the form of an aqueous... |
| US-3,979,281 |
Continuous liquid extraction process with periodic flow of the denser
stream A liquid-liquid extraction process utilizing a tower having perforated contacting trays. The discontinuous flow of the denser downward moving stream prevents the... |
| US-3,979,280 |
Separation of unsaturated compounds from liquid hydrocarbon mixtures
containing same Unsaturated hydrocarbons are separated from liquid mixtures containing same by adsorbing the unsaturated compound using a metal-loaded macroporous exchange resin... |
| US-3,979,279 |
Treatment of lube stock for improvement of oxidative stability A stabilized lubricating oil stock resistant to oxidation and sludge formation upon exposure to a highly oxidative environment is formed by contacting the... |
| US-3,979,278 |
Hydroprocessing of hydrocarbons A process for hydrotreating (hydroprocessing) hydrocarbons and mixtures of hydrocarbons utilizing a catalytic composite of a porous carrier material, a platinum... |
| US-3,979,277 |
Hydroprocessing of hydrocarbons A process for hydrotreating (hydroprocessing) hydrocarbons and mixtures of hydrocarbons utilizing a catalytic composite of a porous carrier material, a platinum... |
| US-3,979,276 |
Silicate treated asbestos diaphragms for electrolytic cells A diaphragm is disclosed for electrolytic cells, for example, chlor-alkali cells. The diaphragm is characterized in that it has been treated with a water-soluble... |
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