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6204493 |
Fault tolerant electric current regulator
The present invention is a fault tolerant apparatus for regulating the flow of electricity. The apparatus comprises a light radiating circuit which includes a first light source for radiating a...
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6120669 |
Bipolar electrochemical connection of materials
The present invention relates to a bipolar electrochemical process for toposelective electrodeposition of a substance on a substrate comprising (a) placing the substrate and at least one of the...
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6102958 |
Multiresolutional decision support system
A process control system determines optimal trajectories (input controls) using multiresolutional analysis of acquired data. In contrast to conventional control systems, the present control system...
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6066269 |
Electroactive inorganic hybrid materials
Hybrid materials are formed having a homogeneous distribution of a conductive organic polymer or copolymer in an inorganic matrix. The conductive organic polymer may be electronically conductive,...
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6013322 |
Surface treatment of 312 ternary ceramic materials and products thereof
A ceramic material is surface treated by contacting the surface of a 312 ternary ceramic material with a surface-modifying compound selected from carburization agents, silicidation agents,...
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5955143 |
Hollow polymer microcapsules and method of producing the same
Hollow polymer microcapsules are made by the method of dissolving a film-forming polymer in a volatile nonaqueous solvent; dispersing into the polymer solution finely divided particles of a...
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5942455 |
Synthesis of 312 phases and composites thereof
Products having single phases or solid solutions of the formula M3 X1 Z2 wherein M is a transition metal, X is Si, Al or Ge and Z is B, C or N can be prepared by taking a powdered mixture...
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5882561 |
Process for making a dense ceramic workpiece
A dense ceramic workpiece is made by a process of combining a powdered 312 component, e.g., Ti3 SiC2, with a powdered component that is soluble in the 312 component, e.g., TiSi2 in Ti3 SiC2,...
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5868966 |
Electroactive inorganic organic hybrid materials
Hybrid materials are formed having a homogeneous distribution of a conductive organic polymer or copolymer in an inorganic matrix. The conductive organic polymer may be electronically conductive,...
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5824079 |
Swelling type copolymeric composite material with self-fixation characteristics
A method of anchoring soft tissue to bone is provided comprising providing a mixture of a hydrophobic monomer and a hydrophilic monomer and a crosslinking agent to form a swellable copolymer,...
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5795304 |
System and method for analyzing electrogastrophic signal
A method and system for analyzing an electrogastrophic (EGG) signal are disclosed. Electrodes are positioned on abdominal skin of a subject adjacent a stomach thereof. The electrodes obtain the EGG...
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5789599 |
Aziridine compounds, methods of preparation and reactions thereof
Novel N-sulfinyl-2-carboxyaziridine compounds and novel N-hydrogen-2-hydroxymethylaziridine compounds are provided. The asymmetric synthesis of N-sulfinylaziridines is readily accomplished in high...
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5755977 |
Continuous catalytic oxidation process
A contaminated fluid such as water or a gas stream containing at least one organic contaminant is contacted in a continuous process with a particulate geothite catalyst in a reactor in the presence...
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5744334 |
Plant promoter useful for directing the expression of foreign proteins to the plant epidermis
The present invention is directed to a Blec plant promoter sequence of SEQUENCE ID NO: 1. A method of transforming plants with a Blec promoter-gene construct is also within the scope of the present...
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5725778 |
Current driver for electronic descaling
An electronic descaling system to prevent or remove mineral deposits by exposing moving fluids to magnetic and electric fields includes an improved power supply. In particular, the power supply...
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5670041 |
Reduced corrosion electronic descaling technology
A method for minimizing localized corrosion of fluid containers that occurs as a consequence of most non-chemical procedures for removing scale deposits is described. It counteracts the unavoidable...
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5646333 |
Plant promoter useful for directing the expression of foreign proteins to the plant epidermis
The present invention is directed to a Blec plant promoter sequence of SEQUENCE ID NO: 1. A method of transforming plants with a Blec promoter--gene construct is also within the scope of the...
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5601643 |
Fly ash cementitious material and method of making a product
Rapid curing, high strength cementitious binder mixtures are provided containing fly ash and an alkali metal or alkaline earth metal silicate binder that has a weight ratio of SiO2 :M2 O of about...
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5595189 |
Methods and apparatus for measuring body composition
A system for measuring body fat percentage is disclosed. The system relies upon the measurement of a subject's weight in two gases of different densities. The difference in weight, along with the...
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5578079 |
Biocompatible, surface modified materials
A method of permanently modifying the surface of a substrate material so as to develop a microscopically smooth, biocompatible surface thereon comprises covalently grafting a biocompatible...
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5465418 |
Self-oscillating mixer circuits and methods therefor
Self-oscillating mixer circuits for use in communications systems. The circuits comprise a push-pull amplifier for amplifying a signal having a first frequency to produce an amplified signal, a...
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5451365 |
Methods for densifying and strengthening ceramic-ceramic composites by transient plastic phase processing
A ceramic composite may be densified, strengthened and toughened by the present transient plastic phase processing method. The ceramic composite comprises a transient plastic phase and a reactant...
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5443073 |
System and method of impedance cardiography monitoring
Cardiac monitoring is disclosed in which thoracic impedance and EKG signals are gathered and processed for improved resolution and accuracy. EKG signals are adaptively processed by digitizing,...
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5423326 |
Apparatus and method for measuring cardiac output
The present invention reliably computes cardiac output with a noninvasive procedure. The system measures the electrical impedance of a patient's body, during a time interval of interest. The system...
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5367070 |
Method for making ferromagnetic porphin compounds
Ferromagnetic porphin compounds may be produced by heating a non-ferromagnetic porphin compound having a central transition metal atom in the non-ferromagnetic porphin molecule and at least some of...
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5352436 |
Surfactant-stabilized microbubble mixtures, process for preparing and methods of using the same
The present invention is a mixture including a solvent, a first surfactant and a second, dispersible surfactant different from the first surfactant, the mixture having stabilized gas microbubbles...
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5335674 |
Apparatus and method for determining load-displacement and flexibility characteristics of a joint
An apparatus which determines the load-displacement and flexibility characteristics of an anatomical joint. The apparatus includes a first frame for receiving a first body portion and a second...
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5328657 |
Method of molding metal particles
The present method relates to molding metal particles by forming a flowable mixture. The metal particles are mixed with a polyorganic acid which chemically reacts with the metal particles. The...
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5326584 |
Biocompatible, surface modified materials and method of making the same
The present invention includes methods of permanently modifying the surface of a substrate material so as to develop a microscopically smooth, biocompatible surface thereon. A portion of the...
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5309917 |
System and method of impedance cardiography and heartbeat determination
Cardiac monitoring is disclosed in which thoracic impedance and EKG signals are gathered and processed for improved resolution and accuracy. EKG signals are adaptively processed by digitizing,...
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5260483 |
Preparation of n-aryl amides from isocyanates
Methods of producing N-aryl amides comprise reacting an aromatic isocyanate compound with substantially anhydrous carboxylic acid and recovering the resulting N-aryl amide. Additionally, or...
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5260093 |
Method of making biocompatible, surface modified materials
A method of permanently modifying the surface of a substrate material so as to develop a microscopically smooth, biocompatible surface thereon comprises covalently grafting a biocompatible...
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5240004 |
Intravascular, ultrasonic imaging catheters and methods for making same
Novel intravascular, ultrasonic imaging catheters are provided which utilize thin layers of a flexible plastic material, such as PVDF, which can be spot polarized in active regions which are to...
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5228454 |
Apparatus and method for determining load-displacement and flexibility characteristics of a joint
An apparatus which determines the load-displacement and flexibility characteristics of an anatomical joint. The apparatus includes a first frame for receiving a first body portion and a second...
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5196799 |
Method and apparatus for testing a protective barrier material for pinholes and tear strength
A method and apparatus for the non-destructive testing of a protective baer material. In a preferred embodiment, the method comprises applying an alternating electrical current across the...
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5186173 |
Method for in vivo measurement of oxygen concentration levels
A method for in vivo measurement of oxygen concentration levels in animal bodily fluids or tissues comprises administering a biocompatible fluoroescent probe sensitive to oxygen quenching and...
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5120807 |
Polymerization of pyrrole and its derivatives
Electrically conductive polypyrrole and its derivatives are prepared by polymerizing compounds of the formula: ##STR1## wherein R1, R2 and R3 are independently hydrogen, halogen, R4, --OR4 or --SR4...
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5109861 |
Intravascular, ultrasonic imaging catheters and methods for making same
Novel intravascular, ultrasonic imaging catheters are provided which utilize thin layers of a flexible plastic material, such as PVDF, which can be spot polarized in active regions which are to...
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5080924 |
Method of making biocompatible, surface modified materials
A method of permanently modifying the surface of a substrate material so as to develop a microscopically smooth, biocompatible surface thereon comprises covalently grafting at least a first...
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5041670 |
Preparation of n-aryl amines from isocyanates
Methods of producing N-phenyl amines comprise reacting a phenyl-containing isocyanate with HR, and a boron complexing agent in an aprotic solvent, wherein R, is --OH or --COOH (i.e., water or...
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4986886 |
Polymerization of thiophene and its derivatives
Electrically conductive polythiophene and its derivatives are prepared by polymerizing compounds of the formula: ##STR1## wherein R1 and R2 are independently hydrogen, R3, --OR3 or --SR3 ; and R3...
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4940517 |
Polymerization of aniline and its derivatives
Electrically conductive polyaniline and its derivatives are prepared by polymerizing compounds of the Formula: ##STR1## wherein R is --H, --OH, lower alkoxy, halogen, --COOH, --NO2 or --NH2 ; x is...
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4918165 |
Mitotic inhibitor and method for preventing posterior lens capsule opacification after extracapsular extraction
A conjugated cytotoxin is provided for preventing posterior lens capsule opacification (after-cataract) after extracapsular extraction. Preferably, the mitotic inhibitor of lens epithelial cells...
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4906607 |
Sensor and method for indicating the presence of a low magnetic field using high critical temperature superconductor ceramic material to absorb electromagnetic energy
A sensor and method for indicating the presence of a low magnetic field using high critical temperature superconductor ceramic material is comprised of a sensing element consisting essentially of...
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4854865 |
Biocompatible electrode and use in orthodontic electroosteogenesis
An improved method of orthondontic electroosteogenesis comprises providing a biocompatible anode having a noble metal portion in engagement with an electrolytic gel portion comprising agarose and...
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4842448 |
Method of removing contaminants from contaminated soil in situ
A method of removing contaminants from a contaminated soil area in situ comprises the steps of placing a barrier in engagement with the exposed surface of the contaminated soil area, sealing the...
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4808372 |
In situ process for producing a composite containing refractory material
An in situ process is provided for producing a composite comprising a refractory material dispersed in a solid matrix. A molten composition comprising a matrix liquid, and at least one refractory...
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4675624 |
Electrical phase shifter controlled by light
A TEM-mode transmission line such as a microstrip or coplanar line includes a pair of conductors, at least one of which is elongated. A semiconductor junction or junctions are coupled across the...
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4206763 |
Ultrasonic scanner for breast cancer examination
Ultrasonic examination for carcinoma of the breast is accomplished rapidly and reliably by the method and apparatus disclosed herein. The apparatus is comprised of a compartment in which water is...
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3936440 |
Method of labeling complex metal chelates with radioactive metal isotopes
A method is provided for labeling a complex metal chelate with a radioactive metal isotope via isotopic exchange between the metal atom of the complex metal chelate and the radioactive metal...
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