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Patent # Description
US-4,671,936 Ethylene oxide sterilization and aeration indicator
Means are provided for the monitoring of a sterilization procedure employing alkylene oxide, particularly ethylene oxide, to sterilize medical equipment,...
US-4,671,935 Method for sterilizing contact lenses
Method and apparatus for sterilizing contact lenses wherein the lenses are moved in a circular orbit within a microwave oven through variations of energy levels...
US-4,671,934 Aminophosphonic acid/phosphate mixtures for controlling corrosion of metal and inhibiting calcium phosphate...
A method of controlling the corrosion of a metal surface in contact with an aqueous system while at the same time preventing the precipitation of potentially...
US-4,671,933 Method for inhibiting corrosion of metal surfaces
A method for inhibiting corrosion of metal surfaces which comprises exposing the metal surfaces to an aminosilicon compound which is capable of hydrolyzing and...
US-4,671,932 Nickel-based hard alloy
In order to obtain, in a hard alloy based on a nickel-chromium-boron-silicon alloy, particularly advantageous properties with regard to hardness and toughness,...
US-4,671,931 Nickel-chromium-iron-aluminum alloy
A yttrium-free, nickel-chromium-iron-aluminum alloy characterized by excellent oxidation resistance at very high temperatures. The alloy consists essentially of,...
US-4,671,930 High hardness and high toughness nitriding powder metallurgical high-speed steel
A high-speed steel obtained by powder metallurgy processing wherein a chemical composition includes, by weight %, C: a quantity (%) which satisfies with the following...
US-4,671,929 Austenitic stainless steel with improved resistance to corrosion by nitric acid
An austenitic stainless steel exhibiting improved resistance to corrosion caused by nitric acid is disclosed, which consists essentially of: C: not more than 0.03% by...
US-4,671,928 Method of controlling the sintering of metal particles
Sintering of metal particles at their normal sintering temperature is inhibited by coating the metal particles with an organic material such as polyvinyl...
US-4,671,927 Nuclear fuel rod containing a hybrid gadolinium oxide, boron carbide burnable absorber
A nuclear fuel rod contains nuclear fuel pellets that have incorporated therein a hybrid burnable absorber that affects a moderation of the burn-out rate of the...
US-4,671,926 Fuel assembly for a nuclear reactor
A fuel assembly for a boiling water reactor has a bundle of fuel rods consisting of a top tie plate and a bottom part which, together with a plurality of fuel...
US-4,671,925 Method for operating a nuclear reactor
A method for operating a nuclear reactor having reactor coolant including an exhaust gas source and an exhaust gas system connected to the exhaust gas source,...
US-4,671,924 Hold-down device of fuel assembly top nozzle employing leaf springs
An improved top nozzle includes leaf spring assemblies interposed between its movable upper hold-down plate and stationary lower adapter plate and arranged along...
US-4,671,923 Holddown spring retention assembly
A holddown spring retention assembly for use in a nuclear reactor having a pressure vessel, a core barrel having an upper outwardly extending flange, an inner...
US-4,671,922 Nuclear reactor cooled by a liquid metal
The invention relates to a nuclear reactor cooled by a liquid metal comprising a vessel (12) containing the reactor core (24), a vessel shaft (18) and a sealing...
US-4,671,921 Process, installation and device for compacting oblong objects
Method intended to form a more or less compact bundle of flexible and oblong objects of reduced cross-section dimensions, such as fuel rods of a nuclear reactor,...
US-4,671,920 Method for maintenance of ice beds of ice condenser containment
A tool for maintaining ice baskets associated with a nuclear reactor system. The frame of the tool includes a platform which is disposed on a lattice support...
US-4,671,919 Reactor power level monitoring system using an alpha-beta tracker
A nuclear reactor power monitor utilizes radiation sensors, and a microprocessor implementing alpha-beta tracker equations. The use of alpha-beta tracker...
US-4,671,918 Apparatus and process for producing polyolefin film
An apparatus and process for the extrusion of linear low density polyolefins. The apparatus comprises an extruder die including a cylindrically shaped central...
US-4,671,917 Method and apparatus for cooling molten oxides
Molten oxide of grinding material, refractory material, etc., being poured into a circular casting space formed between coaxially arranged inner and outer...
US-4,671,916 Method of indentifying instruments as belonging to a set
A method of identifying instruments, preferably surgical instruments, as belonging to a set comprises forming at least one bore in a location of each instrument...
US-4,671,915 Method for making a glass precision valve
A glass precision valve for use in liquid measuring instruments, the valve comprising a valve body having a conically sharpened head slidably accommodated in a...
US-4,671,914 Production of granulates by using a tabletting machine
The invention relates to the production of granulates by using a tabletting machine comprising at least one top punch and one bottom punch which co-operate with...
US-4,671,913 Process for producing an embossed thermoplastic resin sheet having a colored layer
A process for continuously producing an embossed thermoplastic resin sheet having a colored layer which comprises associating a molten thermoplastic resin A and...
US-4,671,912 Method of manufacturing sintered ceramic body
A sintered ceramic body is manufactured first by preparing a composition containing a binder and a ceramic powder having a particle size distribution given such...
US-4,671,911 Ceramic composite material having a core of ceramic fibers coated with a layer of ceramic, and method of...
Ceramic composite material characterized in that it comprises a core of ceramic fibers of which at least one face is coated with a hard and dense ceramic slip...
US-4,671,910 Process for the production of closed-cell foam molded articles of crosslinked polyolefin
Closed-cell foam molded parts or articles of crosslinked polyolefin are manufactured according to a process comprising the steps of filling a foamable and...
US-4,671,909 Method for making hollow porous microspheres
Hollow microspheres are made by a process which comprises forming a film of a dispersed particle film-forming composition (containing dispersed particles, a...
US-4,671,908 Extrusion control process and apparatus
In an extrusion process, desired product quality parameters are maintained very accurately by manipulating the rotational speed of the screw associated with the...
US-4,671,907 Method of manufacturing carbon materials
A method for the manufacture of high-strength, high-density carbon materials is disclosed. The method comprises the steps of pulverizing a carbonaceous raw...
US-4,671,906 Method and apparatus for production of minute metal powder
A minute metal powder is obtained by a method which comprises melting a metal, imparting ultrasonic vibration to the resulting melt, introducing an inert or...
US-4,671,905 Method of a forming a secondary coating on an optical fiber
A stable secondary coating, for example of nylon, is applied to a primary coated optical fiber by a process including high-speed (.gtoreq.100 meters per minute)...
US-4,671,904 Method for producing oxidic sintered nuclear fuel bodies
UO.sub.2 base powder exhibiting any specific surface and crystallite diameter properties is mixed with rare earth (SE) oxide-containing powder, the particles of...
US-4,671,903 Sulfonation method of polystyrene
A method for sulfonating polystyrene having an average molecular weight of 200 to 50,000 in a halogenated hydrocarbon solvent comprising the step of reacting the...
US-4,671,902 Process for obtaining fatty acid product from glyceride oil soapstock
The present invention provides a process for obtaining a fatty acid product from a glyceride oil soapstock. The process includes the following steps: (a) An...
US-4,671,901 Orally effective ion chelators
Compounds are described of the general formula: ##STR1## wherein: R.sub.1 is acyl of the formula --C(.dbd.O)--R.sub.5 ; R.sub.2, R.sub.3, R.sub.4, R.sub.6,...
US-4,671,900 Preparation of light-colored, wash active .alpha.-sulfofatty acid
This invention is directed to the preparation of .alpha.-sulfofatty acid esters. More particularly, this invention is directed to a process for the simplified...
US-4,671,899 Carburetion device for internal combustion engines
A carburetion device comprises a vacuum-tight vaporization chamber into which fuel and air are drawn by the vacuum produced by the engine. The vaporization...
US-4,671,898 Process for treatment of a spent, radioactive, organic ion exchange resin
A spent, radioactive, organic ion exchange resin is converted into a stable inorganic product having a considerably reduced volume in the following way. The...
US-4,671,897 Process and apparatus for solidification of radioactive waste
Radioactive waste is first converted into hardly water-soluble powder (including a water-insoluble powder) and then solidified with a hydraulic solidifier in a...
US-4,671,896 Flame-retardant composition and flame-retardant cable using same
A flame-retardant composition is prepared by mixing 100 parts by weight of a rubber or plastics free from any halogen with about 50 to about 200 parts by weight...
US-4,671,895 Liquid detergent compositions
Liquid detergent compositions based on paraffin sulfonate, ethoxylated higher alcohol sulfate, nonionic surfactant and a small amount of an alcohol sulfate...
US-4,671,894 Liquid detergent compositions
Stable liquid dishwashing detergent compositions are provided incorporating an alkyl benzene sulfonate and/or alkyl sulfate, an alkyl ethoxy sulfate, an...
US-4,671,893 Synthesis gas
Carbon dioxide is removed from a raw gas containing hydrogen, carbon dioxide, and intermediate boiling gas, e.g. nitrogen, to give a gas suitable for use as a...
US-4,671,892 Process and apparatus for saponification reactions, and the like
A reactor vessel is provided for saponification processes having reaction times of about 2-5 minutes. The reactants are fed sequentially through a load cell, for...
US-4,671,891 Bleaching compositions
This invention relates to bleaching compositions. More particularly, this invention relates to bleaching compositions that provide effective and efficient...
US-4,671,890 Aminobenzylamine composition
A composition of aminobenzylamine is provided which is mainly composed of m-aminobenzylamine and p-aminobenzylamine in either the presence or absence of a small...
US-4,671,889 Molded getter bodies and method of producing the same
The invention relates to molded getter bodies for use in encapsulated electrical components. The getter bodies are formable into compressed body shapes in a...
US-4,671,888 Polyelectrolyte and surfactant compositions for controlling alkaline earth metal scales
The instant invention is directed to a method of inhibiting the precipitation and deposition of alkaline earth metal scales in an aqueous system, comprising...
US-4,671,887 Aqueous stable suspensions of water insoluble silicates capable of binding calcium ions and their use for the...
There is prepared an aqueous stable suspension of a water insoluble silicate capable of binding calcium ions and it is used for the production of washing and...
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