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| Patent # | Description |
|---|---|
| US-4,904,419 |
Process and apparatus for vapor transfer of very high purity liquids at
high dilution By the present invention, a high purity liquid is vapor transported by a carrier gas from a bubbler system at room temperature. The bubbler system uses a split... |
| US-4,904,418 |
Motorless carbonator pump with gas saving device A motorless carbonator including a single acting pneumatic water pump connected between a carbonator tank and an uncarbonated water supply with the pump having a... |
| US-4,904,417 |
Fluorine-containing polyether and process for preparing the same A fluorine-containing polyether of the formula: wherein A and A' are the same or different and are each --COF, --COCl or --COOH, and X is --CF.sub.2 CF.sub.2... |
| US-4,904,416 |
Cement solidification treatment of spent ion exchange resins Disclosed is an improved process for cement solidification treatment for disposition of spent ion exchange resins exhausted from nuclear power plants. The wet... |
| US-4,904,415 |
Oxide glasses having low glass transformation temperatures PbO-B.sub.2 O.sub.3 -Ag.sub.2 O glasses having a preferred weight ratio range of 76-88:10-15:2-10 have glass transition temperatures of less than 300.degree. C.... |
| US-4,904,414 |
Electrically conductive adhesive for a broad range of temperatures An electrically conductive adhesive having elasticity over a wide temperature range of approximately -60.degree. C. to about 180.degree. C. for securing... |
| US-4,904,413 |
Cooling water corrosion control method and composition A composition and method for inhibiting corrosion in industrial cooling waters which contain hardness and have a pH of at least 8, which composition comprises a... |
| US-4,904,412 |
Emulsion-forming composition An emulsion-forming composition for forming an emulsion for use in a process for selectively recovering germanium or arsenic from an aqueous solution thereof by... |
| US-4,904,411 |
Highly loaded, pourable suspensions of particulate materials Slurries or suspensions for forming sintered ceramic or metallic articles are described as having a high volume fraction of sinterable particles, at least 55% by... |
| US-4,904,410 |
Mesomorphic compound and liquid crystal composition containing same An optically active mesomorphic compound is represented by the following formula (I): ##STR1## wherein R.sub.1 and R.sub.2 are respectively an alkyl group... |
| US-4,904,409 |
Optically active-1-(2-halogen-substituted-phenyl)-ethanol and its
derivative An optically active compound having characteristics necessary for realizing liquid crystal compositions provided with suitable characteristics, particularly a... |
| US-4,904,408 |
Use of graft polymers based on polyalkylene oxides as grayness
inhibitors in the wash and aftertreatment of... A detergent contains as a grayness inhibitor in the wash and aftertreatment of textile material containing synthetic fibers a graft polymer obtainable by... |
| US-4,904,407 |
Azeotrope-like compositions of 1,1,2-trichloro-1,2,2-trifluoroethane,
methanol, nitromethane,... Azeotrope-like compositions comprising 1,1,2-trichloro-1,2,2-trifluoroethane, methanol, nitromethane, 1,2-dichloroethylene and 1-chloropropane are stable and... |
| US-4,904,406 |
Quaternary ammonium compounds for use in bleaching systems A quaternary ammonium-substituted peroxycarboxylic acid bleach precursor, its quaternary ammonium peroxycarboxylic acid derivative, and bleaching-detergent... |
| US-4,904,405 |
Aerosol preparations containing mixtures of phosphate esters An aerosol preparation containing a cleansing agent and a propellant is provided. The cleansing agent is composed of a phosphate ester surfactant obtained by... |
| US-4,904,404 |
Lubricating oil containing viscosity index improver A lubricating oil contains, as a multifunctional additive, a polymer such as an ethylene - propylene copolymer, bearing graft moieties derived from allyl... |
| US-4,904,403 |
Polyalkylated 1,3,4-thiadiazoles and lubricating compositions containing
same Disclosed are novel compounds derived from 2,5-dimercapto-1,3,4-thiadiazole and one or two moles of polyolefin having 5 to 400 carbon atoms. Furthermore, the... |
| US-4,904,402 |
Oxidized sulfurized isobutylene lube oil additives Sulfurized isobutylene is reacted with a mild oxidizing agent under conditions sufficient to effect the appearance of new infra red frequency bands at 1300... |
| US-4,904,401 |
Lubricating oil compositions A lubricating oil formulation is described which is useful in internal combustion engines. More particularly, lubricating oil compositions for internal... |
| US-4,904,400 |
Method of improving the shear stability of lithium soap greases A method for improving the shear stability of a multipurpose grease containing (i) a lubricating oil, (ii) a lithium soap of an hydroxy fatty acid, (iii) a polyhydric... |
| US-4,904,399 |
Process for preventing grease fires in steel mills and other metal
processing mills A process is provided for preventing grease fires, which is particularly useful in steel mills and process mills. In the process, when a flame is ignited and... |
| US-4,904,398 |
Class D fire extinguishing A Class D (combustible metals) firefighting agent comprises a detergent mixture, and sodium chloride (about 4.5-12%), although vitamin B-6 and bicarbonate soda... |
| US-4,904,397 |
Device for the mechanical cleansing of fluids In the cleansing especially of cooling water for a heat exchanger the installation of rotationally symmetric filter bodies in the cooling water feeder pipe and... |
| US-4,904,396 |
Extraction apparatus and process An automatic apparatus for the selective extraction of phases from a multiphase system in a receptacle distinguished by their opacity difference comprising a... |
| US-4,904,395 |
Method and apparatus for thickening fiber suspension The present invention relates to a method and an apparatus for thickening of fiber suspension. In particular, the invention relates to removal of water from pulp... |
| US-4,904,394 |
Method for selective filtering of a fluid using porous piezoelectric
material A filter which is particularly useful with biological material is formed of porous piezoelectric material such as PZT or Polyvinylidene fluoride. By an... |
| US-4,904,393 |
Method for controlling overspray in paint spray booths A composition and method for detackifying paint spray booth water containing particles from paint spray is disclosed which uses a reaction product of an aldehyde... |
| US-4,904,392 |
Method of separating, from a liquid mixture, a liquid in dispersed phase
from a liquid in continuous phase From a liquid mixture containing a liquid in a continuous phase and a liquid in the form of drops in a phase dispersed therein, the liquid in the dispersed phase... |
| US-4,904,391 |
Method and apparatus for removal of cells from bone marrow An improved system for removing cells from bone marrow wherein the cells are bound by monoclonal antibodies conjugated to magnetic particles, the system... |
| US-4,904,390 |
Method for varying the capacity of an ion exchanger for a specific
chemical element A method for varying the capacity for a specific chemical element of an ion exchanger used for cleaning a liquid from a loop includes varying the chemical status... |
| US-4,904,389 |
Process for the separation of dicarboxylic acids A process for separation of multicomponent mixtures of dicarboxylic acids, especially, mixtures of C.sub.8 -C.sub.24 saturated and unsaturated acids is derived... |
| US-4,904,388 |
Process for sludge thickening An apparatus for sludge thickening including a sludge thickener allowing suspended solids of sludge supplied thereto to settle by their own weight while being... |
| US-4,904,387 |
Waste treatment and water recycling toilet system A waste treatment and water recycling system that includes a delivery system, a trap, a sump, an anoxic reactor, an aerobic digestion chamber, a filtering... |
| US-4,904,386 |
Method of purifying liquids like wastewater by means of a filter bed
containing aquatic plants planted in such... The filter bed containing aquatic plants planted therein is provided with a lengthwise and/or transverse drainage arrangement containing a predetermined number... |
| US-4,904,385 |
Porous filter media and membrane support means A method for filtering liquid or gaseous materials where the filtration is conducted with a porous filter media prepared from an aqueous wet-laid, lofted... |
| US-4,904,384 |
Apparatus housing a plurality of filter elements for separating
contaminants from a fluid The invention relates to an apparatus for separating contaminants comprising a tubular filter body (12) having an inner flow space (18) which is separated by a... |
| US-4,904,383 |
System for demineralizing water Water is demineralized by passage through a water demineralization system. The water demineralization system comprises a series of at least three ion exchange... |
| US-4,904,382 |
Filter cartridge security for locking between operating and
non-operating positions A filtering system for water treatment incorporating one or more filter assemblies each including a head member having fluid inlet and outlet ports, a... |
| US-4,904,381 |
Magnetization treatment apparatus of fluid Apparatus for magnetization treatment of fluid used to activate such fluids as water and oil by treating in a magnetic field to improve the quality thereof... |
| US-4,904,380 |
Precoat filter assembly A precoat filter element for a precoat filter unit comprises a flow distributor and flow straightener. The flow distributor surrounds a filter septum and has... |
| US-4,904,379 |
Skimmer-diverter assembly for removing debris from swimming pools and
the like A skimmer-diverter assembly for use with swimming pools having water filtration and circulation systems. The skimmer-diverter assembly includes an elongated arm... |
| US-4,904,378 |
Flat element for filtering and separation A flat element for filtering various substances and separating particles wherein a wire is planarly wound in the form of a vortex to form a vortical slit between... |
| US-4,904,377 |
Sifting apparatus An improvement for centrifugal sifter units having an elongated sifting chamber having a central axis, a coaxial screen surface therein and a series of paddles... |
| US-4,904,376 |
Metal catching cover A removable cover for my earlier patented magnetic cleaning devices, the cover comprising a plurality of hollow pockets interconnected at their rear, open ends... |
| US-4,904,375 |
Sodium silicate as a phosphate flotation modifier This invention is directed to an improved froth flotation separation for beneficiating phosphate containing ores wherein an ore is preliminarily conditioned with... |
| US-4,904,374 |
Froth flotation A method of selectively recovering an arsenopyrite, pyrrhotite or like mineral from a material containing such a mineral and pyrite which includes the steps of... |
| US-4,904,373 |
Fossil resin flotation from coal by selective coagulation and depression
of coal disclosed is a process for separating resin from a mixture of resin-bearing coal particles by increasing the pH of a froth flotation process to a value of at... |
| US-4,904,372 |
Process and apparatus for recovering heat energy from catalyst
regenerator flue gases An improved fluidized catalytic cracking-catalyst regeneration process for catalytically cracking heavy hydrocarbon feedstocks is provided which comprises first... |
| US-4,904,371 |
Process for the production of mesophase pitch An improved process for producing an anisotropic pitch product suitable for carbon fiber manufacture. A carbonaceous feedstock substantially free of mesophase... |
| US-4,904,370 |
Electrochemical organic reactions via catalytic halide substitution An improved process for the electrochemical reaction of a lower organic halide, e.g., benzyl chloride, wherein the improvement comprises the catalytic in situ... |
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