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6037290 |
In situ regeneration of metal-molybdate catalysts for methanol oxidation to formaldehyde
The method of the present invention involves in situ regeneration of metal-molybdate catalyst for methanol oxidation to formaldehyde comprising the step of regenerating spent metal-molybdate...
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6028228 |
Production of formaldehyde from CH4 and H2 S
A method wherein a sour natural gas stream can be treated to produce formaldehyde from methane and methyl mercaptans, (primarily methanethiol (CH3 SH) and a small amount of dimethyl sulfide (CH3...
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5969191 |
Production of formaldehyde from methyl mercaptans
A method wherein a gas stream containing a methyl mercaptan is passed in contact with a catalyst comprising a supported metal oxide or a bulk metal oxide in the presence of an oxidizing agent and...
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5907066 |
Treating methanol-containing waste gas streams
A method wherein a methanol-containing waste gas stream, such as a pulp mill waste stream which contains methanol and other waste products, including methyl mercaptans, is passed in contact with a...
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5834453 |
Methods for the manufacture and use of antimicrobial sterol conjugates
A method of forming a pharmaceutical composition of antimicrobial sterol conjugates having the following formulae: ##STR1## wherein R1, R2, R3, R4 and Y are as defined in the specification. Also...
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5830927 |
Printing ink compositions, methods for making same and uses thereof
Aqueous based printing ink compositions adapted for use in gravure and flexographic printing on hydrophobic substrates are prepared by combining a low-viscosity resin emulsion having an average...
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5614077 |
Electrochemical system and method for the removal of charged species from contaminated liquid and solid wastes
An electrokinetic system and method are provided for removing charged species from a sample in which said charged species is commingled with at least one radionuclide. The apparatus comprises an...
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5583239 |
Antimicrobial sterol conjugates
The invention discloses steroid conjugates having the following structure: ##STR1## where Y is NHCH2 CH2 CH2 CH2 NH2, NH(CH2)3 NH(CH2)4 NH(CH2)3 NH2, or NHCH2 CH2 NHCH2 CH2 NHCH2 CH2 NH2, and each...
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5473083 |
Reduced and quaternized psoralens as photo-activated therapeutics
The invention features phototherapeutic compositions comprising Type 1, Type 2, or Type 3 psoralens and methods of using such compounds for treatment of proliferative diseases of skin, blood and...
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5356929 |
Reduced and quaternized psoralens as photo-activated therapeutics
The invention features phototherapeutic compositions comprising Type 1, Type 2, or Type 3 psoralens and methods of using such compounds for treatment of proliferative diseases of skin, blood and...
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5304309 |
Cyclic process for selective coagulant recovery from clarifier sludge
An improved, continuous, cyclic process for selective coagulant recovery from clarifier sludge in water treatment plants. The improvement comprises several steps. First, the pH of the clarifier...
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5284823 |
Superplastic forming of YBa2 Cu3 O7-x ceramic superconductors with or without silver addition
A process for superplastically forming and shaping a solid object including 123 superconductor, including preparing a solid object having grains of 123 superconductor that have an average grain...
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5244300 |
Structural connector approximating a cone of elliptical cross-section
A structural connector used to interconnect at least a first and a second member which includes a cone-shaped male part having an approximately elliptical cross-section attached to the first member...
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5223237 |
Process for removing sulfur oxides from a gas stream
A process for removing the sulfur oxides from a gas stream by sorbing the sulfur oxide gases in a zeolite and subsequently purging the previously-sorbed sulfur oxide gases by exposing the zeolite...
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5216176 |
7-alkoxycoumarins, dihydropsoralens, and benzodipyranones as photo-activated therapeutic agents and inhibitors of epidermal growth factor
A photochemotherapeutic compound of the formula ##STR1## wherein (i) n is zero, W is a (C1-16) alkyl, alkenyl, or alkynyl linear or branched chain hydrocarbon, having no more than four O, N, or S...
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5182021 |
Biological process for enhanced removal of ammonia, nitrite, nitrate, and phosphate from wastewater
A method is disclosed for attaining concurrent biological nitrification and dentrification in an aerobic zone of an activated sludge treatment plant. The method comprises aerating a mixed liquor in...
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5175093 |
Bioactive cells immobilized in alginate beads containing voids formed with polyethylene glycol
Bioactive cells are immobilized by suspending bioactive cells in an aqueous solution of a salt-free osmolarity adjuster, alginate and polyethylene glycol, dividing the suspension into bead-sized...
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5138175 |
Lamp sheath assembly for optically-assisted gas decontamination process
The present invention comprises a process for the removal of oxides of nitrogen and sulfur from a gas mixture containing those species by exposure of the gas mixture to ultraviolet radiation having...
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5135848 |
Methods for evaluating cholesterol metabolism and reagents therefor
Two diagnostic methods for evaluating LDL mechanism in a patient are disclosed. A novel diagnostic agent for evaluating LDL metabolism comprising a ligand capable of binding LDL receptors and a...
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5106903 |
Preparation of large particle size monodisperse latexes
Monodisperse latexes of at least 2-30 microns particle size are prepared from an emulsion recipe comprising a monodisperse seed latex polymer on the order of 2 microns or less particle size, a...
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5089126 |
Method and apparatus for capillary hydrodynamic fractionation
This invention provides an apparatus and method for the complete fractionation of submicron particles according to size by capillary hydrodynamic fractionation. This objective is achieved by using...
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5082964 |
Selective acetylcholinesterase inhibitors and methods of making and using same
A new group of alpha substituted cresol choline carbonate salts, that act as site-specific, irreversible inhibitors of acetylcholinesterase. A halomethylation method and a halogenation method for...
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5078886 |
Separation of mixtures by two-phase systems
An organic two-phase system useful for the separation and purification of chemicals, biochemicals and optical isomers. The two-phase system can be formed with water soluble polymers as one phase,...
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5045775 |
Environmental corrosion monitor system incorporating deposited contaminants and corrosion products
A system for monitoring and measuring the corrosion reaction of metals in an environment. The system includes a sample corrosion element of substantially the same material as the structure to be...
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5043224 |
Chemically enhanced thermal oxidation and nitridation of silicon and products thereof
A process for enhanced thermal oxidation and nitridation of silicon by introduction of fluorine into the oxidation and nitridation ambients.
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5021233 |
Water gas shift reaction with alkali-doped catalyst
The present invention concerns a process for carrying out the water gas shift reaction in the presence of carbon monoxide and water in contact with an alkali-doped catalyst.
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4997574 |
Staged boundary layer treatment method and system for biofouling control
A method and system for biofouling control of fluid containing structure of susceptible biofouling, wherein chlorine, hot water and/or some other control agent is injected by plural stages into the...
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4995955 |
Optically-assisted gas decontamination process
The present invention comprises a process for the removal of oxides of nitrogen and sulfur from a gas mixture containing those species by exposure of the gas mixture to ultraviolet radiation having...
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4986658 |
Transient spectroscopic method and apparatus for in-process analysis of molten metal
A method and apparatus for in-process transient spectroscopic analysis of a molten metal, wherein a probe containing a pulsed high-power laser producing a pulsed laser beam having a substantially...
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4980065 |
Separation of mixtures by aqueous two-phase systems
An aqueous two-phase system useful for the separation and purification of biochemicals and optical isomers. The two-phase system can be formed with water soluble polymers as one phase, and chiral...
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4943624 |
Supramolecular surfactants: amphiphilic polymers designed to disrupt lipid membranes
An amphiphilic polymer, having the monomer unit structure A, B, C or D: ##STR1## wherein R is at least one H and C1-6 alkyl, k=1-4, m=4-30, n=2-50 and x=2-500. ##STR2## wherein p and q are,...
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4935217 |
Mordenite and mordenite aggregate syntheses
Mordenite, a synthetic zeolite, is produced by reaction of particulate volcanic glasses with limited amounts of strongly basic aqueous solutions at elevated temperature and autogenic pressure for...
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4913746 |
Method of producing a Zn-Fe galvanneal on a steel substrate
A process for producing a galvanneal layer on a steel substrate, including forming a Zn-Fe coating having a predetermined Fe content F (wt. %) on the steel substrate; and heat treating the Zn-Fe...
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4890208 |
Stage lighting apparatus
The disclosed stage lighting apparatus includes a constant-direction beam forming unit and an adjustable beam redirector for aiming the beam at a wide range of locations varying in azimuth and...
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4843529 |
Stage lighting apparatus
A stage lighting unit including a beam former and beam redirector. The beam redirector allows for the remote control of beam over a large expanse of the stage.
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4843101 |
Catalyst and method for producing methanol
The present invention concerns an improved catalyst and method for the production of methanol from both binary and ternary synthesis gas mixtures.
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4808480 |
Polymerizable heterocyclic disulfide-based compounds and membranes made therefrom
Compounds adapted to making polymerizable, cross linkable vesicles and methods for making these compounds comprising combining a phophatidylcholine derivative with an acid anhydride of a...
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4797361 |
Microorganism and process
This invention includes a process for producing and using increased quantities of extracellular glycoprotein (particularly cellulolytic) enzymes by permitting the enzyme-producing microbial strain...
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4791162 |
Preparation of large particle size monodisperse latexes
Monodisperse latexes of at least 2-30 microns particle size are prepared from an emulsion recipe comprising a monodisperse seed latex polymer on the order of 2 microns or less particle size, a...
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4713548 |
Electron attachment apparatus and method
Apparatus which can be used for producing negative ions in a gaseous or liquid fluid is disclosed, as well as methods of using the apparatus to determine electron attachment parameters, to identify...
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4693958 |
Lithographic plates and production process therefor
Lithographic plate, and method for making same, comprises a plate substrate with a selectively ink-receptive coating in the image area of the plate, rendered ink receptive by heat conversion of an...
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4681814 |
Corrosion inhibited metal
A metal surface is passivated, or rendered resistant to corrosion, by a dense, intimately adherent overlayer of an insoluble, non-reactive compound comprised of an organic compound complexed with...
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4642381 |
Catalyst and method for production of methylamines
This invention relates to an improved catalyst and method for the selective production of methylamines. More particularly, it is concerned with the preparation of stable highly active catalysts for...
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4634659 |
Processing-free planographic printing plate
Method of making a processing-free planographic printing plate comprising irradiating a plate surface comprised of a hydrophobic organic compound capable of being converted, upon exposure to...
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4620283 |
Programmable load controller
A control method and system for minimizing the on-peak power demand of a residential electric utility user having a plurality of loads is implemented by determining the average energy demand over...
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4563253 |
Method of making corrosion inhibited metal
A metal surface is passivated, or rendered resistant to corrosion, by a dense, intimately adherent overlayer of an insoluble, non-reactive compound comprised of an organic compound complexed with...
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4480131 |
Process for selective production of di- and tri-alkylamines
A primary alkyl amine and an alcohol of up to 12 carbon atoms are reacted at low temperature (50°-250° C.) over specific catalysts (alkali-treated catalysts generally or binary Cu/ZnO and Pd/SiO2 s...
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4468499 |
Thermoplastic interpenetrating polymer network composition and process
Chemically blended thermoplastic interpenetrating polymer network compositions, of improved physical and mechanical properties as compared to their mechanically blended counterparts, are produced...
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4358847 |
Electrical circuit test apparatus and method
An electrical circuit test apparatus and method are disclosed for detecting faults in n-input combinational circuitry. The testing is performed by the verification of the Walsh coefficients. This...
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3858805 |
ICE NUCLEATION BY MICAS
An ice nucleant or process of ice nucleation which essentially uses fluorophlogopite mica directly or has fluorine atoms at the surface replacing the OH groups in the surface of other micas.
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