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| Number | Title | Issue Date |
| 4250276 | Fast curing coating composition A rapid curing polybutadiene resin system dielectric coating composition suitable for coating electrical components such as thin film resistors is disclosed. This composition cures very rapidly and greatly improves adhesion to the coated article.... | 02/10/1981 |
| 4246242 | Method of removing gaseous pollutants from flue gas A spray dryer apparatus is used to bring a water solution or slurry of finely-divided, basic reactant into intimate contact with a flue gas bearing acidic gases or vapors. The basic material reacts with the acids in the flue gas to form a particulate prec... | 01/20/1981 |
| 4244723 | Spontaneously-formed mullite glass-ceramics The present invention is concerned with the fabrication of articles demonstrating the highly-crystalline, fine-grained internal microstructure of conventional glass-ceramic bodies, but which can be formed spontaneously from a molten glass. Thus, the prese... | 01/13/1981 |
| 4239521 | Spontaneously-formed alpha-quartz glass-ceramics The instant invention to the manufacture of articles exhibiting the highly-crystalline, uniformly fine-grained microstructure of conventional glass-ceramic bodies, but which can be formed spontaneously through cooling a molten glass-forming batch. Hence, ... | 12/16/1980 |
| 4239520 | Spontaneously formed machinable glass-ceramics The instant invention is concerned with the manufacture of articles exhibiting the physical properties and internal microstructure of glass-ceramic bodies but which can be formed spontaneously from a molten glass. Hence, heat treatment of a precursor glas... | 12/16/1980 |
| 4215263 | Drawing optical waveguides by heating with laser radiation In drawing an optical waveguide, the blank is heated by a beam of laser radiation which has substantially zero power from the axis of the blank to a prescribed radial position and substantially uniform power from that position to a greater radial position... | 07/29/1980 |
| 4212660 | Method for making multiple mode waveguide having cylindrical perturbations A multiple mode optical waveguide includes a glass core and a glass cladding around the core. In order to promote coupling between guided modes of light propagation, the core has cylindrical perturbations spaced along its length. The perturbations include... | 07/15/1980 |
| 4210386 | Fluorine out-diffused optical device and method A fluorine containing silicate glass substrate is heated to a temperature sufficiently high to permit fluorine to out-diffuse from the surface thereof. A surface region is formed having a gradient fluorine concentration in a direction perpendicular to the... | 07/01/1980 |
| 4203553 | Ribbon burner An elongated burner, which produces a stream of metal oxide soot, comprises three adjacent housings. A centrally disposed housing contains a linear array of orifices for issuing a gas-oxygen mixture to produce a linear flame. Disposed on opposite sides of... | 05/20/1980 |
| 4201561 | Method for hydrating silicate glasses The present invention is concerned with a single-step process for hydrating alkali metal-containing silicate glasses starting with such fine-dimensioned forms as powders, granules, flakes, fibers, and thin sheets. The process, which contemplates hydration... | 05/06/1980 |
| 4198279 | Oxygen sensor mounting structure A wall structure is provided for mounting an oxygen sensor probe to accurately measure the oxygen content of flowing elevated temperature atmosphere confined on one side of the wall. The sensor probe is protectively positioned and cushioned within a probe... | 04/15/1980 |
| 4195526 | Hand-held pipetter A pipetter for drawing fluid into capillary tubes and the like. A capillary tube is forced into an adapter coupled to one end of a vented, flexible tube. A compression wheel rides in a guideway adjacent the tube, and is rolled to continuously vary the poi... | 04/01/1980 |
| 4194462 | Optical waveguide coating assembly A coating assembly including a recessed housing for receiving a split coating die, and a thrust block for urging the die against a die closing plate. Aligned passages extending through each of the elements are accessed through a split or slot in the side ... | 03/25/1980 |
| 4179477 | Fast curing coating composition A rapid curing polybutadiene resin system dielectric coating composition suitable for coating electrical components such as thin film resistors is disclosed. This composition cures very rapidly and greatly improves adhesion to the coated article.... | 12/18/1979 |
| 4179187 | Multiple mode waveguide having cylindrical perturbations A multiple mode optical waveguide includes a glass core and a glass cladding around the core. In order to promote coupling between guided modes of light propagation, the core has cylindrical perturbations spaced along its length. The perturbations include... | 12/18/1979 |
| 4173393 | Optical waveguide with protective coating An optical waveguide includes a core of high purity fused silica, a cladding of high purity fused silica and a protective coating of metallic glass. The protective coating is applied as a liquid which contracts more than the glass after it solidifies to p... | 11/06/1979 |
| 4173062 | Method of forming a quadriplanar component A quadriplanar capacitor and the method of forming it is disclosed. A capacitor element is disposed within an open ended enclosure and sealed therein, the enclosure forming one capacitor electrode. The open end of the enclosure forms a quadrilateral. A fl... | 11/06/1979 |
| 4171388 | Magnetic recording and storage device having high abrasion resistance and method A magnetic recording and storage device having high wear resistance is produced by providing a magnetic recording and storage device having a film of solid magnetic material which has been bonded to a surface of a rigid substrate. A thin film of a lubrica... | 10/16/1979 |
| 4171399 | Magnetic recording and storage device having high abrasion resistance and method A magnetic recording and storage device having high wear resistance is produced by providing a magnetic recording and storage device having a film of solid magnetic material which has been bonded to a surface of a rigid substrate. A thin film of a lubrica... | 10/16/1979 |
| 4166745 | Refractive index-corrected copper-cadmium halide photochromic glasses Alkali boroaluminosilicate glass compositions providing refractive index-corrected copper-cadmium halide photochromic glasses of optical quality, particularly useful for making ophthalmic lenses, are described. Ion-exchange-strengthenable glasses exhibiti... | 09/04/1979 |
| 4166765 | Detecting Neisseria bacteria Bacteria of the genus Neisseria can be detected in a sample by testing for the presence of an enzyme capable of oxidizing 1,2-propanediol and reducing NAD (nicotinamide-adenine-dinucleotide). The complete structure of the enzyme is not known but, because ... | 09/04/1979 |
| 4166006 | Means for stimulating microbial growth This invention is concerned with the use of fluorocarbon and silicone oil greases or gels to stimulate the growth of various microorganisms. More particularly, the instant invention contemplates the addition of a peroxide compound, preferably hydrogen per... | 08/28/1979 |
| 4164455 | Process of forming a solid tantalum capacitor A process for forming a solid tantalum capacitor is disclosed wherein the cathode is manganese dioxide formed by pyrolysis. The pyrolysis is performed in a nitrogen dioxide containing atmosphere at a temperature of between about 170° C. and 250° C., the... | 08/14/1979 |
| 4163370 | Controlling the drawing rollers to produce diameter perturbations in an optical waveguide An optical waveguide having variations in diameter is produced by controlling the drawing rollers. Predetermined diameter variations along the length of an optical waveguide reduce dispersion in multimode waveguides. These diameter variations are produced... | 08/07/1979 |
| 4163601 | Multimode waveguide with enhanced coupling with guided modes In a multimode optical waveguide, coupling is promoted among guided modes while coupling to unguided modes is suppressed. The core includes perturbations having a power spectrum which decreases with increasing mode order and which has a plurality of minim... | 08/07/1979 |
| 4160655 | Process for making gradient photochromic glass articles A process for the production of a gradient photochromic glass article comprising the selective over-nucleation of a limited portion of the article followed by a photochromic development heat treatment of the entire article, and the product of this process... | 07/10/1979 |
| 4160654 | Method for making silver-containing glasses exhibiting thermoplastic properties and photosensitivity This invention is concerned with the preparation of glass articles containing silver ions which exhibit thermoplastic properties and may, optionally, demonstrate photosensitivity to ultraviolet radiation. Such articles are produced through the exchange of... | 07/10/1979 |
| 4159353 | Platinum coating dense refractories The forming of an adherent platinum coating on the surface of hard, highly dense refractories by plasma flame spraying thereon an intermediate layer of a refractory oxide selected from the group comprised of zirconia, zircon, alumina, cordierite, mullite,... | 06/26/1979 |
| 4154494 | Process for manufacturing cathode ray tube bulbs In a combined bake and seal process for manufacturing a cathode ray tube, wherein screen baking and panel-funnel seaing are accomplished in a single sealing step, chemical reduction of the panel-funnel seaing glass by organic screen components is suppress... | 05/15/1979 |
| 4153510 | High surface low volume biomass composite Immobilized microbe composite comprising a porous, high surface area inorganic support having a controlled population of microbes bonded to the internal surfaces of the pores, the support being water insoluble, non-toxic to the microbes, and having a cont... | 05/08/1979 |
| 4152469 | Method of forming a magnetic recording and storage device having high abrasion resistance A magnetic recording and storage device having high wear resistance is produced by providing a magnetic recording and storage device having a film of solid magnetic material which has been bonded to a surface of a rigid substrate. A thin film of a lubrica... | 05/01/1979 |
| 4150950 | Transport system for clinical specimens This invention relates to means for transporting clinical specimens wherein the activity thereof can be retained for relatively long periods of time. The crux of the invention resides in a liquid reagent capable of preserving or stabilizing the activity o... | 04/24/1979 |
| 4149591 | Heat exchange modules A modular heat exchange element, adapted to be positioned in fixed relation to one or more other of such modules, may be produced as a monolithic, honeycombed body having a plurality of flow paths therethrough for at least two fluids. The body is provided... | 04/17/1979 |
| 4148856 | Method for continuous component encapsulation A method of continuously encapsulating a component is disclosed. A predetermined quantity of viscous encapsulating material is applied to each of substantially opposite exterior portions of the component. Thereafter, an external force is applied to the en... | 04/10/1979 |
| 4149227 | Reflector A reflector useful in dental surgical lighting systems has been developed, which reflector is derived from at least one base elipsoid surface which has been divided into sections, each section being rotated outward so as to provide the cumulative effect o... | 04/10/1979 |
| 4148661 | Photochromic sheet glass compositions and method Chemically-strengthenable silver halide-containing lithium boroaluminosilicate glass compositions having physical and chemical characteristics required for sheet drawing processes and exhibiting excellent photochromic properties after heat treatment, and ... | 04/10/1979 |
| 4142878 | Molding hydrosilicate materials The present invention is founded upon the fundamental discovery that anhydrous silicate materials can be formed into solid bodies which are hydrated or wherein the silicate structure is depolymerized by protonic reagents other than water. Such bodies can ... | 03/06/1979 |
| 4142744 | Method and apparatus for coupling tubular members A coupling for flanged columnar or conduit members is described which produces a desired deformation within the coupled members and provides a preinduced stress of sufficient magnitude and opposite direction to substantially equal opposing deformation and... | 03/06/1979 |
| 4141515 | Automated layer separator delivery system for optical waveguide winding A system for delivering separator material to a drum upon which optical waveguides are wound. The sheet material is delivered to the vicinity of the drum through a partially-enclosed guide and cut to length. Air jets are provided for urging the severed sh... | 02/27/1979 |
| 4141877 | Processing organic polymers with hydrated glasses This invention relates to the coprocessing of hydrated glass with organic polymers to form integral bodies which can be stronger, tougher, and more durable than the original hydrated glass and stiffer than the original plastic material. The process is ame... | 02/27/1979 |
