| Patent Number |
Title Of Patent |
Date Issued |
| T985002 |
Seat belt retractor base and cover |
August 7, 1979 |
| a seat belt retractor comprising a generally U-shaped frame comprising a central base portion and two upstanding flange portions attached to the sides of the base portion, each of the flange portions including an upper surface connecting two side surfaces, the upper surface being sub |
| RE31057 |
Chromium-doped beryllium aluminate lasers |
October 12, 1982 |
| Single crystals of chromium-doped beryllium aluminate find advantageous use in optical applications and, in particular, in lasers capable of operating at room temperature. |
| RE30327 |
Inflator seal |
July 8, 1980 |
| Gas supply device employing a seal means which on activation of the device serves as a diffuser through which the gas passes from the source to the point of use. |
| RE30106 |
Method of producing amorphous cutting blades |
October 2, 1979 |
| Metal alloys in an amorphous state are employed in the fabrication of cutting implements such as razor blades or knives. The implement may be formed from the amorphous metal or a coating of the amorphous metal may be applied. Such products may be formed from a ribbon of the amorphous met |
| RE30080 |
Titanium-beryllium base amorphous alloys |
August 21, 1979 |
| Amorphous metal alloys are prepared from titanium-beryllium base compositions comprising about 48 to 68 atom percent titanium and about 32 to 52 atom percent beryllium, with up to about 10 atom percent of beryllium replaced by additional alloying elements such as transition metals an |
| RE29989 |
Cutting blades made of or coated with an amorphous metal |
May 8, 1979 |
| Metal alloys in an amorphous state are employed in the fabrication of cutting implements such as razor blades or knives. The implement may be formed from the amorphous metal or a coating of the amorphous metal may be applied. Such products may be formed from a ribbon of the amorphous met |
| RE29368 |
Metal-organo compounds with sterically exposed metal-metal bonds, and a method for their product |
August 23, 1977 |
| Metal-organo complex characterized as having at least one sterically exposed metal-metal bond, and having the structure:wherein R represents a ligand which may contain one or more atoms of carbon, hydrogen, oxygen, nitrogen, sulfur or phosphorus; n is an integer of from 1 to 3; M and M' |
| RE28937 |
Control of viscosity and polycaproamide degradation during vacuum polycondensation |
August 24, 1976 |
| Control of polycaproamide degradation during vacuum polycondensation in a polymer finisher is achieved by maintaining a partial pressure of water above the polymer melt above about 10 mm. Hg, preferably above about 30 mm. Hg, absolute pressure. Degradation is minimized to within 3, p |
| 4568720 |
Process for preparing extended chain polyesters and block or graft copolyesters |
February 4, 1986 |
| A process for preparing extended chain polyesters, and block or graft polyester or copolyesters by forming an intimate mixture of one or more polyesters and an effective amount of one or more phosphite compounds, and thereafter heating the intimate mixture at a temperature and for a time |
| 4402917 |
Extraction of uranium from phosphoric acid using supported extractants |
September 6, 1983 |
| Uranium is extracted from phosphoric acid with organophosphorus extractants supported or impregnated on polymeric resins, and especially macroreticular resins. Suitable extractants include mono and dialkylphenyl esters of phosphoric acid. Uranium may be stripped from the supported or |
| 4357212 |
Energy efficient apparatus for vaporizing a liquid and condensing the vapors thereof |
November 2, 1982 |
| The present invention provides a novel apparatus and process for vaporizing a liquid and condensing the vapors thereof. The apparatus and process utilize heat of compression for vaporizing the liquid. The apparatus includes a still (10), a closed refrigeration system (12), an auxiliary |
| 4349501 |
Continuous spin-draw polyester process |
September 14, 1982 |
| A low shrinkage, dimensionally stable, polyester fiber is produced by a process which involves conditions of continuously spinning and drawing filaments wherein the filaments are passed through a steam impinging draw point localizing jet (25) at a temperature of about 482.degree. C. to |
| 4348517 |
Process and finish composition for producing adhesive active polyester yarn |
September 7, 1982 |
| A fiber finish composition, a process which includes treating polyester yarn therewith and polyester yarn so treated are all disclosed. The fiber finish composition comprises a triglycidyl ether of glycerol; a low viscosity diglycidyl ether having the structural formula ##STR1## |
| 4334107 |
Catalytic purification of phenol |
June 8, 1982 |
| A method is disclosed to purify crude phenol containing acetol and alpha-methyl styrene prior to hydrogenation to cyclohexanone comprisingcontacting the crude phenol with a catalyst whileheating the crude phenol and catalyst to a temperature between about 140.degree. C. and 190.degree. C.at |
| 4329489 |
Method of preparation of fluorocarbon compounds |
May 11, 1982 |
| Preparation of a fluorocarbon compound used to make a soil-resistant yarn is improved by removing most of the impurities from the fluoro-carbon compound mass with heat and vacuum after the final washing step and then adding an emulsifier to the fluorocarbon compound mass so that the mass |
| 4329147 |
Wetting solution for use in continuous dyeing of polyamide fabric |
May 11, 1982 |
| A wetting solution for use in a continuous dyeing process for a fabric comprised of synthetic polymer fibers characterized by a surface energy of about 18 to 20 dynes per centimeter is provided. This solution comprises water, a surfactant having a wetting speed factor of up to 1.75, and |
| 4327207 |
Production of thermally stabilized polyester with alkylene carbonates and sodium or potassium io |
April 27, 1982 |
| High molecular weight linear condensation polyesters are stabilized against deterioration by heat by reacting the polyester in molten form with alkylene carbonates in the presence of a catalytic amount of a compound selected from the group consisting of sodium iodide and potassium iodide |
| 4327007 |
Polyethylene terephthalate composition containing aliphatic plasticizer and nucleating agent |
April 27, 1982 |
| A polyester composition comprising: the sodium salt of a hydrocarbon acid; and the ester of an aliphatic carboxylic acid having at least one carboxyl group and from 2 to 8 carbon atoms; and an alcohol having one hydroxyl group and from 1 to 10 carbon atoms. The sodium salt is preferably |
| 4326841 |
Apparatus for making metallic glass powder |
April 27, 1982 |
| An apparatus for making metallic glass powder is disclosed. A jet of a molten glass forming metal alloy is impinged under an acute angle against the inner surface of a rotating cylindrical chill body, whereon it is atomized into a stream of droplets of molten alloy, which again impinge o |
| 4325397 |
Method to reduce pressure drop in polyamide process piping |
April 20, 1982 |
| This invention is a method to reduce pressure drop in polyamide process piping comprising injecting linear polyethylene glycol having a molecular weight above 10,000 around the periphery of the piping and forming a coating of the polyethylene glycol on the internal surface of the piping |
| 4322480 |
Polyamide-polyethylene laminates |
March 30, 1982 |
| A laminate structure comprising at least one layer of a polyamide and at least one layer of polyethylene containing from 0.1 to 20 percent based on the weight of the polyethylene of oxidized high density polyethylene. |
| 4320300 |
Isotope separation by solar photoionization |
March 16, 1982 |
| Isotope separation, particularly separation of isotopes of lithium, is achieved by exposing a beam of atoms to radiation that selectively excites atoms of a particular isotope without exciting atoms of other isotopes of that element. The excited atoms are ionized by solar radiation and t |
| 4319060 |
Process for producing 1,2-dichloro-1,1,2,2-tetrafluoroethane substantially free of 1,1-dichloro- |
March 9, 1982 |
| The present invention provides a novel process for producing 1,2-dichloro-1,1,2,2-tetrafluoroethane substantially free of the 1,1-isomer. The process includes contacting, in the vapor phase, an organic feed composition containing a major amount of the 1,2-isomer and a minor amount of |
| 4317736 |
Soil resistant yarn finish for synthetic organic polymer yarn |
March 2, 1982 |
| A yarn finish composition is disclosed for incorporation with synthetic organic polymer yarn or yarn products to render the same oil repellent and resistant to soiling. The composition comprises (a) a solution of a salt of dioctyl sulfosuccinate, propylene glycol and water, (b) a flu |
| 4311771 |
Process for production of electrical energy from the neutralization of acid and base in a bipola |
January 19, 1982 |
| Electrical energy is generated from acid-base neutralization reactions in electrodialytic cells. Permselective bipolar membranes in these cells are contacted on their cation selective faces by aqueous acid streams and on their anion-selective faces by aqueous base streams. Spontaneous |
| 4310652 |
Melt processable poly(ester carbonate) with high glass transition temperature |
January 12, 1982 |
| Poly(ester aromatic dihydric alcohol) polymers having carbonate moieties, aromatic or cycloaliphatic dicarboxylic acid moieties and carbonate moieties and having high glass transition temperatures (over 100.degree. C.) and being melt processable. At least part of the aromatic dihydric |
| 4309229 |
Method of generating water vapor free gas |
January 5, 1982 |
| A chemical gas generant mixture of carbon, an oxidizer which does not contain hydrogen and, optionally, a carbonate or other coolant. |
| 4306735 |
Safety belt clamp apparatus, occupant restraint system and method |
December 22, 1981 |
| An improved belt clamp apparatus for a vehicle occupant safety restraint system includes: a lever, a clamp bar, a mounting device for movably mounting the bar on the lever, a crest on the bar, and a first spring for biasing the lever to a non-clamping position. The bar is movable on the |
| 4304593 |
Embrittling of glass alloys by hydrogen charging |
December 8, 1981 |
| Metallic glass powder is prepared by charging a solid metallic glass body with hydrogen to effect embrittlement, followed by comminution of the embrittled metallic glass body. |
| 4302603 |
Producing alkylamines from olefins with alkali metal amide catalyst |
November 24, 1981 |
| Monolefins such as ethylene are reacted with ammonia using alkali metal amide catalysts such as cesium or rubidium amides, or low melting mixtures of amides such as cesium/potassium, cesium/sodium or sodium/potassium amides. Conversions are improved compared to reactions using sodium or |
| 4300180 |
Amorphous spring-shield for tape cassette |
November 10, 1981 |
| A magnetic tape cassette is provided with a combined biasing and shielding member composed of flexible ferromagnetic material having at least 50 percent glassy structure. The member decreases construction costs and increases shielding of the magnetic tape recorder head during operation. |
| 4298862 |
Amorphous antipilferage marker |
November 3, 1981 |
| A magnetic theft detection system marker is adapted to generate magnetic fields at frequencies that (1) are harmonically related to an incident magnetic field applied within an interrogation zone and (2) have selected tones that provide the marker with signal identity. The marker is an |
| 4298409 |
Method for making iron-metalloid amorphous alloys for electromagnetic devices |
November 3, 1981 |
| An amorphous metal alloy which is at least 90 percent amorphous and consists essentially of a composition having the formula Fe.sub.a B.sub.b Si.sub.c C.sub.d wherein "a", "b", "c" and "d" are atomic percentages ranging from about 80.0 to 82.0, 12.5 to 14.5, 2.5 to 5.0 and 1.5 to 2.5, |
| 4295451 |
Closed loop fuel control for internal combustion engine |
October 20, 1981 |
| An electronic fuel injection system is provided with a closed loop control having a plurality of loops for proportioning a mixture of air and fuel delivered to an internal combustion engine. The system has a sensor for providing an electrical signal, the magnitude of which varies in |
| 4294467 |
Seat belt comfort device |
October 13, 1981 |
| A seat belt comfort device located in the tongue and buckle interconnection which eliminates the tension exerted by the rewind force of a seat belt retractor. The comfort device is manually actuable between engaged and disengaged positions with the seat belt. Preferably, the comfort devi |
| 4293460 |
Polyamide yarn spin finish containing a rearranged glyceride and oxidized polyethylene |
October 6, 1981 |
| An aqueous spin finish, a process for treating polyamide yarn therewith and polyamide yarn so treated are all disclosed. The oil portion of the spin finish comprises a rearranged glyceride, ethoxylated oleyl alcohol, ethoxylated nonyl phenol, ethoxylated castor oil, an oxidized polye |
| 4293105 |
Bi-level web sensitive retractor |
October 6, 1981 |
| A reel type safety seat belt retractor in which a pawl is triggered to engage a ratchet wheel, serving as a reel flange, by an inertial device sensitive to an accelerated movement of the reel, wherein the inertial device has two levels of sensitivity, a low level to prevent the trigg |
| 4291575 |
Liquid level monitor |
September 29, 1981 |
| Apparatus is provided for monitoring the level of a liquid in a reservoir, especially in the situation where the liquid is a high temperature, molten material. The device operates as a static-tube differential pressure sensor and includes an open-ended tube with one end adapted for direc |
| 4291084 |
Warp-free multi-layer stampable thermoplastic sheets |
September 22, 1981 |
| Disclosed are laminated thermoplastic sheets containing one or more pairs of thermoplastic layers wherein the total number of layers are even. Each pair is comprised of a surface layer containing a thermoplastic polymer and high aspect ratio mica flakes and a strength layer containing a |
| 4290808 |
Metallic glass powders from glassy alloys |
September 22, 1981 |
| Metallic glass powder is prepared by heating a solid metallic glass body to a temperature below its glass transition temperature for time sufficient to effect embrittlement, followed by comminution of the embrittled metallic glass body. |
| 4290476 |
Nozzle geometry for planar flow casting of metal ribbon |
September 22, 1981 |
| An apparatus is provided for planar flow casting of metal ribbon. The apparatus comprises a movable chill surface, a reservoir for holding molten metal and a slotted nozzle whose lips are located close to the chill surface. In operation, molten metal is forced through the nozzle onto |
| 4289871 |
Method to increase reactor capacity for polycondensation of polyesters |
September 15, 1981 |
| The improvement of passing an inert, preferably vaporizable and condensible, liquid material through or over a polyester molten mass in a polymer reactor to further increase surface area-to-volume ratio and/or lower the partial pressure of vaporous products of condensation so that vi |
| 4286967 |
Double crystallization process to produce low organic, low silica soda ash |
September 1, 1981 |
| A process for the production of low organic, low silica, anhydrous sodium carbonate comprising (a) calcining raw trona ore to produce crude sodium carbonate containing soluble and insoluble impurities, (b) admixing said crude sodium carbonate with a substantially saturated sodium carbona |
| 4286068 |
Catalyst and process for oxidation of organic substrates by hydrogen peroxide |
August 25, 1981 |
| A process for oxidizing organic substrates such as ketones and ethylenically unsaturated compounds. The substrate is contacted with aqueous hydrogen peroxide in a solution or in a two-phase liquid system, in the presence of a polymeric catalyst containing chemically bonded arsenic. T |
| 4285925 |
Process for the conversion of light ash to absorptive low bulk density alkali products |
August 25, 1981 |
| A method for production of absorptive particles of Wegscheider's Salt (Na.sub.2 CO.sub.3.3NaHCO.sub.3) having low bulk density and acceptable flow properties, by reaction of anhydrous sodium carbonate particles with water and carbon dioxide is disclosed. Particles of anhydrous sodium |
| 4285923 |
Manufacture of calcium nitrite solutions with low nitrate content |
August 25, 1981 |
| Calcium nitrate with low nitrate content is prepared by reacting in a series of absorption reactors lime slurry and nitrogen oxide gases. The lime slurry flows serially through the series of absorption reactors with a major portion being recycled to the inlet of a Venturi absorber in eac |
| 4285786 |
Apparatus and method of monitoring temperature in a multi-cell electrolyzer |
August 25, 1981 |
| An apparatus and method of monitoring temperature in a multicell electrolyzer used to produce a gaseous product from a liquid phase electrolyte by placing a single temperature sensing means in the common product collection means is disclosed. |
| 4285386 |
Continuous casting method and apparatus for making defined shapes of thin sheet |
August 25, 1981 |
| Defined shapes of thin metallic sheet are continuously formed by forcing molten metal onto the surface of a moving chill body under pressure through a slotted nozzle located in close proximity to the surface of the chill body. The surface of the chill body whereon the shaped parts are |
| 4284611 |
Aqueous phosphate-stabilized polyaluminum sulfate solutions and preparation thereof |
August 18, 1981 |
| A physically and functionally stable solution for water treatment comprises an about 1.2-2.7 molar aqueous phosphate-stabilized polyaluminum sulfate solution of a composition having the formulawhereinx is about 1.2 to 1.62;y is about 0.595 to 0.87; andz is about 0.06 to 0.19with the proviso |
| 4283582 |
Pre-pressuring methanol-cobalt with carbon monoxide in homologation of methanol |
August 11, 1981 |
| An improved process is described for synthetically converting methanol to ethanol in which a mixture of methanol and cobalt catalyst is pre-pressurized with an atmosphere of carbon monoxide at room temperature and at a pressure of about 10 to 1000 psi gauge, in a suitable pressure ve |
