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| Number | Title | Issue Date |
| 5361240 | Acoustic sensor A pressure compensated hydrophone assembly consists of a hollow mandrel that has an outer surface. The central portion of the outer surface of the mandrel defines a concavity. A flexible, resilient piezoelectric film is wrapped several times around the ma... | 11/01/1994 |
| 5238606 | Stabilization of polypols with liquid antiscorch composition The invention relates to the use of certain styrenated diphenylamine and hindered phenol compositions for the stabilization of polyether polyols.... | 08/24/1993 |
| 5175394 | Sabot bullet The sabot bullet has a rearwardly tapered front part and a forwardly tapered rear part converging toward each other and spaced from each other by an integral connecting part. The sabot for the bullet has two mating segments each having complementary shape... | 12/29/1992 |
| 5174922 | Reducing copper corrosiveness of organic polysulfides The invention provides a process of reducing the copper corrosiveness of dihydrocarbyl polysulfides by treating them with an alkali metal-containing or alkaline earth metal-containing substance capable of dissolving elemental sulfur (e.g., sodium hydroxid... | 12/29/1992 |
| 5162568 | Nitration of alkanols A process for nitrating alkanols containing 5-13 carbon atoms is disclosed. The nitation takes place at 15°-45° C. using a mixed acid containing 20-30% nitric acid, 55-60% sulfuric acid and 15-20% water, and 2-5%, based on mixed acid, of a stabilizer se... | 11/10/1992 |
| 5158693 | Oligoquinolinium metal oxide salts as sulfur corrosion inhibitors Quartenized derivatives of oligoquinoline have been reacted with refractory metal oxysalts to generate oligoquinolinium metal oxide salts which provide excellent corrosion inhibition of iron based alloy articles in sulfur containing media.... | 10/27/1992 |
| 5156769 | Phenyl mercaptotetrazole/tolyltriazole corrosion inhibiting compositions A composition which is useful for inhibiting the corrosion of copper and copper alloy metals in contact with an aqueous system is disclosed. The composition comprises phenyl mercaptotetrazole and tolytriazole and/or benzotriazole.... | 10/20/1992 |
| 5156768 | Stabilized chlorine-containing refrigeration compositions R12, which contains chlorine, and hydrogen-contributing lubricants react to form acids such as hydrogen chloride and hydrogen fluoride and simultaneously, R12 is converted to R22. Such reactions are undesirable because the acids which form destroy the met... | 10/20/1992 |
| 5151220 | Chemical abatement of carbonate cracking A method of inhibiting carbonate stress corrosion cracking is determined to involve the addition of certain treatment chemicals to refinery process streams containing at least 1 of the volatile chemicals, ammonia, carbon dioxide, hydrogen sulfide, hydroge... | 09/29/1992 |
| 5149459 | H2 S removal composition A process for removal of H2 S from gas streams is described, the process being characterized by use of a novel iron chelate treating solution containing a specified ferric to ferrous chelate ratio and aqueous ammonia.... | 09/22/1992 |
| 5149460 | Composition for H2 S removal A process for removal of H2 S from gas streams is described, the process being characterized by use of a novel iron chelate treating solution containing a specified ferric to ferrous chelate ratio, aqueous ammonia, and thiosulfate ion.... | 09/22/1992 |
| 5147579 | Moisture resistant sodium titanate and potassium titanate The present invention provides free flowing and moisture resistant compositions from normally hygroscopic compositions by a process of mixing the hygroscopic material with a sealing material and heat treating. By controlling the sealing material added, th... | 09/15/1992 |
| 5141675 | Novel polyphosphate/azole compositions and the use thereof as copper and copper alloy corrosion inhibitors A polyphosphate in combination with an azole such as in alkyl or alkoxy benzotriazole, mercaptobenzothiazole, tolyltriazole, benzotriazole, a substituted benzotriazole and/or 1-phenyl-5-mercaptotetrazole, is used to inhibit the corrosion of metallic surfa... | 08/25/1992 |
| 5139702 | Naphthylamine polycarboxylic acids A composition useful for treating aqueous systems comprising a naphthylamine polycarboxylic acid having the formula: ##STR1## wherein X is CO2 H or SO3 H, Y is H, C1 to C6 alkyl, CO2 H or SO... | 08/18/1992 |
| 5139701 | Corrosion inhibitors for ferrous metal in aqueous solutions comprising a nonionic surfactant and an anionic oxygen containing group A composition and method for controlling corrosion of steel in aqueous systems such as cooling and boiler systems. The combination of a nonionic surfactant and an anionic oxygen containing group such as one or more alkali metal salts of borate, molybdate ... | 08/18/1992 |
| 5139700 | Vapor phase corrosion inhibitor material A vapor phase corrosion inhibitor formulation comprising a finely divided anhydrous molybdate selected from the group consisting of anhydrous sodium molybdate, anhydrous ammonium dimolybdate, and anhydrous amine molybdates having the structural formula: ... | 08/18/1992 |
| 5137657 | Synergistic combination of sodium silicate and orthophosphate for controlling carbon steel corrosion An orthophosphate salt and sodium silicate, when used in a 3:1 ratio by weight, and in a concentration of 0.1 to 100 mg/L, are found to have a synergistic effect in controlling the corrosion of carbon steel in an aqueous system, e.g., a municipal water su... | 08/11/1992 |
| 5135681 | Substituted carboxymethoxysuccinic acid corrosion inhibitors A method is disclosed for inhibiting corrosion of a ferrous based metal in contact with an aqueous system comprising incorporating into the aqueous system an effective amount of a substituted carboxymethoxysuccinic acid selected from the group consisting ... | 08/04/1992 |
| 5133899 | Stabilizer composition for chlorine-containing polymers and process for preparation thereof Disclosed to a stabilizer composition for a chlorine-containing polymer, which comprises a zeolite type stabilizer; calcium hydroxide or magnesium hydroxide, a metal soap type stabilizer and perchloric acid as indispensable components. The stabilizer comp... | 07/28/1992 |
| 5133900 | Thermooxidatively stable compositions A composition which is thermooxidatively stable is provided which comprises a normally thermooxidatively unstable organic compound and effective amount of a thermooxidative stabilizing composition comprising an oil soluble sulfonate of a metal selected fr... | 07/28/1992 |
| 5129322 | Explosive tubing cutter and method of assembly A tubing cutter apparatus includes a housing or casing member formed of a zirconia ceramic material. The zirconia ceramic material is located at least proximate an explosive charge section, such the detonation of the explosive charge will cause shattering... | 07/14/1992 |
| 5130052 | Corrosion inhibition with water-soluble rare earth chelates A method of inhibiting corrosion of a metal surface in an aqueous system having a pH of at least 6, comprising maintaining in the aqueous system, in an amount effective to inhibit corrosion, a water-soluble, organic-rare earth metal chelate which is deriv... | 07/14/1992 |
| 5130053 | Stabilization of concentrated hydrogen peroxide solutions Concentrated solutions of hydrogen peroxide tend to decompose on storage, thereby losing their effectiveness, amongst other reasons by virtue of interaction with contaminating transition metals. Peroxygen compounds are stabilized by contact with a stabilizing ... | 07/14/1992 |
| 5128065 | Method for the inhibition of corrosion of copper-bearing metallurgies A method for inhibiting the corrosion of copper or copper-bearing metals in contact with an aggressive aqueous environment by combining a copper corrosion inhibitor with a chelant. Azoles are employed as the corrosion inhibitor. Characteristic chelants in... | 07/07/1992 |
| 5128066 | Antioxidant aromatic fluorophosphites Fluoroalkylphosphorous compounds are disclosed having the formula ##STR1## wherein R1 and R2 are wherein the same or different and are substituted or unsubstituted aryl groups, the substituents are selected from alkyl, aryl, the... | 07/07/1992 |
| 5126074 | Anti corrosive pigments based on alkaline earth hydrogen phosphates The invention shows anticorrosive pigments on the basis of alkaline earth hydrogen phosphates, which are distinguished in that they contain from 20 mole-% to 60 mole-% of alkaline earth carbonate, the balance being alkaline earth hydrogen phosphate of the... | 06/30/1992 |
| 5122300 | Method for preventing agglomeration of powder A method for preventing agglomeration of powder, characterized in that a poly(oxyethylene)diglycosic acid is incorporated as an anti-agglomeration agent to the powder.... | 06/16/1992 |
| 5121693 | Hermetically sealed shot shell having an increased volume and a method for making same An increased volume shotshell having a biaxially oriented plastic tubular body has an end closure disk heat sealed to the open end of the shotshell eliminating the conventional star crimp closure. The increases volume results from making available the spa... | 06/16/1992 |
| 5122334 | Zirconium-gallium alloy and structural components made thereof for use in nuclear reactors A zirconium-base alloy including gallium in amounts effective to improve creep strength of the alloy. The Zr-base alloy can include up to 1 wt. % Ga, up to 0.5 wt. % oxygen, up to 1 wt. % Sn and up to 1 wt. % total of Fe, Cr and V. For instance, the alloy... | 06/16/1992 |
| 5122301 | Antimicrobial compositions containing propylene carbonate and/or ethylene carbonate as the carrier solvent Antimicrobial compositions of bromonitrostyrene or system comprising propylene carbonate, ethylene carbonate bromonitroethenylfuran are formed in a carrier solvent or mixtures thereof. The propylene carbonate system may additionally include tetrahydrofurf... | 06/16/1992 |
| 5120495 | High thermal conductivity metal matrix composite A thermally conductive diamond metal composite comprising 5 to 80 volume percent diamond particles having a particle size ranging from about 1 to 50 μm and a metal matrix comprising a thermally conductive metal. Preferably, a fine metal powder having par... | 06/09/1992 |
| 5120471 | Process and composition for protecting chrome steel A composition and method for inhibiting the corrosion of steel containing greater than about 9% chromium in the presence of at least one mineral acid, especially at temperatures above 250° F. The composition is made of a corrosion inhibitor selected from... | 06/09/1992 |
| 5116538 | Battery terminal corrosion protection Corrosion protection of battery terminals and connectors is disclosed by use of a novel corrosion protective composition comprised of a lithium grease; an alkaline alkali metal salt, such as sodium bicarbonate; and an alkaline earth metal salt, such as ma... | 05/26/1992 |
| 5114618 | Oxygen removal with keto-gluconates There is disclosed a composition and method for removing dissolved oxygen from aqueous systems, for example, boiler water systems or oil injection water or brine. The disclosed method and composition uses a salt of a keto-gluconic acid, or a salt of a ste... | 05/19/1992 |
| 5114797 | Metal structural component having a heat insulating titanium fire inhibiting protective coating A metal structure component is provided with a protective coating including three layers. A first layer on the surface of the metal structural component is a bond improving metallic base layer on which an intermediate heat insulating oxidic layer is appli... | 05/19/1992 |
| 5112564 | Ion extraction and acceleration device for reducing the re-acceleration of secondary electrons in a high-flux neutron tube A device is set forth for the extraction and acceleration of ions in a high flux sealed neutron tube containing a low-pressure gaseous deuterium-tritium mixture, where an ion source (12) supplies several ion beams (3a, 3b, . . . 3e) which are projected on... | 05/12/1992 |
| 5108656 | Method for preservation of fresh fish or sea-food A gas mixture for preserving fish and sea-food products, comprising carbon dioxide, oxygen and argon with partial pressures in the following range: ______________________________________ CO2 50%-68% O2 ... | 04/28/1992 |
| 5108649 | Preserving agent, method and container for preserving fresh marine product A preserving agent for fresh marine product comprising (A) at least one salt selected from the group consisting of chlorates, chlorites and hypochlorites; (B) iron powder; and (C) at least one oxide selected from the group consisting of ferric oxide, coba... | 04/28/1992 |
| 5104577 | Surface treatment chemicals and bath for aluminum or its alloy and surface treatment method A surface treatment chemical for aluminum or its alloy consisting essentially of 10-1000 parts by weight of one or more ions of metals selected from the group consisting of scandium, yttrium, lanthanum, praseodymium, neodymium, samarium, europium, gadolin... | 04/14/1992 |
| 5104578 | Emulsion minimizing corrosion inhibitor for naphtha/water systems A corrosion inhibitor formulation for oil and water systems which formulation is resistant to sludge formation and does not tend to stabilize oil/water emulsions when added to oil and water systems. The corrosion inhibitor includes an imidazoline dissolve... | 04/14/1992 |
