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| Number | Title | Issue Date |
| 7422793 | Non-toxic corrosion-protection rinses and seals based on rare earth elements Rinsing or sealing solutions comprising a rare earth element and a valence stabilizer for barrier films. The treated films contain a rare earth/valence stabilizer complex. The rare earth element is selected from cerium, praseodymium, terbium, or combinations thereof... | 09/09/2008 |
| 7407711 | Non-toxic corrosion-protection conversion coats based on rare earth elements Conversion coatings comprising a rare earth element and a valence stabilizer combined to form a rare earth/valence stabilizer complex are described for substrate metals. The rare earth element is selected from cerium, praseodymium, terbium, or combinations thereof, ... | 08/05/2008 |
| 7223299 | Composition and process for improving the adhesion of a siccative organic coating compositions to metal substrates A composition is described which is useful in improving the adhesion of siccative organic coatings to metal surfaces. The composition generally comprises a liquid carrier, a borate composition which is the reaction product of at least one amino alcohol with boric ac... | 05/29/2007 |
| 6885721 | Inhibition method of stress corrosion cracking of nuclear steam generator tubes by lanthanum boride The present invention relates to a method for inhibiting stress corrosion cracking occurring on steam generator tubes in the secondary side of nuclear power plants and an inhibitor therefor. The method comprises supplying lanthanum boride as an inhibitor for stress ... | 04/26/2005 |
| 6503420 | Anti-corrosion solutions for air dehumidification systems Anti-corrosion solutions useful for air dehumidification processes are disclosed. Phosphonate corrosion inhibiting agents or mixtures thereof can be added to halide solutions of alkali metals, alkaline earth metals, or mixtures thereof, to minimize corros... | 01/07/2003 |
| 6465548 | Stabilizer for organic polymer material and organic polymer material composition The present invention relates to a stabilizer composition for organic polymer material containing (a) 6-hydroxychroman compound, a phosphorus antioxidant and (c) phenolic antioxidant, wherein the component (a) is contained in a proportion of 0.5 wt %-10 w... | 10/15/2002 |
| 6248701 | Aqueous metal coating composition and process with reduced staining and corrosion A combination of sulfur-free azoles, preferably benzotriazole and tolyltriazole, with sulfur-containing azoles, preferably 2-mercaptobenzothiazole or mercaptobenzimidazole, prevents discoloration, staining, or corrosion of metal surfaces being coated with... | 06/19/2001 |
| 6024892 | Anticorrosion and pH stable alkali metal halide solutions for air dehumidification Anticorrosion and pH-stabilized brine solutions useful for air dehumidification processes are disclosed. Inorganic and organic buffering agents or mixtures thereof can be added to halide solutions of alkali metals, alkaline earth metals, or mixtures there... | 02/15/2000 |
| 5811026 | Corrosion inhibitor for aqueous ammonia absorption system A method of inhibiting corrosion and the formation of hydrogen and thus improving absorption in an ammonia/water absorption refrigeration, air conditioning or heat pump system by maintaining the hydroxyl ion concentration of the aqueous ammonia working fl... | 09/22/1998 |
| 5668096 | Cleaning and passivating treatment for metals A cleaning and passivating treatment for metals comprising an amphoteric surfactant which is a caprylic acid derivative of imidazoline compounds. The treatment is substantially free of amines, alkanolamines and phosphates. The preferred treatment includes... | 09/16/1997 |
| 5520837 | Method of making an environmentally safe, ready-to-use, non-toxic, non-flammable, inorganic, aqueous cleaning composition A cleaning composition, method of manufacture and method of cleaning of for se in cleaning equipment including life support equipment employed in the generating, handling, storage and delivery of oxygen-enriched gases and liquids are provided in which the ... | 05/28/1996 |
| 5507861 | Carboxylic acid-based corrosion-inhibiting composition and application thereof in corrosion prevention There is provided a corrosion inhibiting composition comprising carboxylic acids or derivatives thereof wherein said acids are monocarboxylic acids containing an odd number of carbon atoms, and the application thereof to the prevention of corrosion.... | 04/16/1996 |
| 5407471 | Corrosion inhibition composition Corrosion inhibitor compositions with improved activity are prepared from a neutral or overbased salt of an organic acid and another metal-containing corrosion inhibitor.... | 04/18/1995 |
| 5338347 | Corrosion inhibition composition Corrosion inhibitor compositions with improved activity are prepared from a neutral or overbased salt of an organic acid and another metal-containing corrosion inhibitor.... | 08/16/1994 |
| 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 |
| 5102673 | Oxygen absorbent There are disclosed an oxygen absorbent comprising boron or a reducing boron compound, an alkaline substance and a carrier, an oxygen absorbent parcel formed by enclosing said oxygen absorbent in a permeable packaging parcel, a food package and a package ... | 04/07/1992 |
| 5082592 | Corrosion inhibitors for ferrous metals 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 ... | 01/21/1992 |
| 5077008 | Anti-microbial composition Medical instruments, which may include brass, copper, aluminum, stainless steel, carbon steel, or plastic parts are sterilized or disinfected in an anti-microbial solution. The anti-microbial effect of a strong oxidizing agent, such as peracetic acid, is ... | 12/31/1991 |
| 4983321 | Corrosion prevention constituent for surface coatings A corrosion-preventing soyabean-glycerol alkyd resin is preprared by combng soyabean oil and glycerol in a reaction kettle, and after heating to about 400° F., fused litharge is loaded. The temperature is then increased to about 440° F. and held until ... | 01/08/1991 |
| 4956016 | Anticorrosive agents and use thereof Corrosion inhibitors containing a mixture of one or more water soluble tetraborate salts and one or more water soluble condensed phosphate salts are non-toxic and are more effective than either of the components alone. These compositions containing both t... | 09/11/1990 |
| 4915872 | Cast solid block corrosion inhibitor composition A solid cast block of corrosion inhibitor composition, comprising: (i) about 5 to 20 wt-% silicate, calculated as sodium metasilicate pentahydrate; (ii) about 5 to 90 wt-% borate, calculated as sodium tetraborate pentahydrate; (iii) about 0.5 to 5 wt-% po... | 04/10/1990 |
| 4835332 | Use of triphenylphosphine as an ethylene furnace antifoulant Triphenylphosphine prevents fouling in ethylene furnaces.... | 05/30/1989 |
| 4810404 | Nitrite- and phosphate-free glycol-based coolant mixtures Glycol-based coolant mixtures which are free of nitrites and phosphates contain alkali metal salts of bis(carboxyalkyloxyphenyl)-2,2-propane and stabilized silicate and also further corrosion-inhibiting additives.... | 03/07/1989 |
| 4756820 | Method for retarding corrosion and coke formation and deposition during pyrolytic hydrocarbon processing The present invention is directed to a method of reducing fouling and corrosion in furnaces during the thermal cracking of hydrocarbons. The method generally comprises adding to the hydrocarbon an effective amount of boron or boron compounds. The preferre... | 07/12/1988 |
| 4747931 | Composition and method for coke retardant during pyrolytic hydrocarbon processing The present invention is directed to a method of inhibiting the formation of coke during the elevated temperature cracking of hydrocarbons. The method generally comprises adding to the hydrocarbon an effective amount of an ammonium borate, particularly am... | 05/31/1988 |
| 4724064 | Composition and method for coke retardant during hydrocarbon processing The present disclosure is directed to methods and compositions for controlling undesirable coke formation and deposition commonly encountered during the high temperature processing of hydrocarbons. During the processing of hydrocarbon, coke formation and,... | 02/09/1988 |
| 4717495 | Diesel engine cooling system compositions A heavy duty supplemental cooling composition for use in diesel engines which comprises a sodium-free buffer, a cavitation liner pitting inhibitor, a metal corrosion and hot surface corrosion inhibitor, a defoamer, a hot surface deposition and scale inhib... | 01/05/1988 |
| 4714564 | High performance multifunctional corrosion inhibitors especially for combining at 20 to 50 weight percent with soap or paint A multifunctional corrosion inhibitor consisting essentially of an alkali metal borate, an alkali metal nitrate, an alkali metal nitrite, an alkali metal metasilicate, an alkali metal phosphate, mercaptobenzothiazole and at least one selected surfactant.... | 12/22/1987 |
| 4710404 | Solvent-free coating composition and process for protecting a surface from corrosion A solvent-free coating composition useful for increasing the corrosion resistance of a surface is provided. The composition comprises a solvent-free coating material and an anti-corrosive agent comprised of a calcined mixture consisting essentially of mag... | 12/01/1987 |
| 4686059 | Antimony tartrate corrosion inhibitive composition for coolant systems An automobile coolant concentrate comprising (a) a liquid polyhydric alcohol, and (b) a corrosion inhibitor comprising an alkali metal antimony tartrate, preferably with an azole compound, in a corrosion inhibitory amount with respect to corrosion of lead... | 08/11/1987 |
| 4647392 | Monobasic-dibasic acid/salt antifreeze corrosion inhibitor A corrosion inhibitor for use in water and liquid alcohol antifreeze/coolant compositions comprising the combination of a C5 -C16 aliphatic monobasic acid or the alkali metal, ammonium, or amine salt of said acid, a C5 -C | 03/03/1987 |
| 4629603 | Method of inhibiting cold end corrosion in boilers A liquid borate is added to sulfur trioxide-containing combustion gases at a temperature of from about 250° to about 1000° F. in a boiler or other furnace system. The borate neutralizes sulfuric acid in the gases and inhibits sulfuric acid corrosion and... | 12/16/1986 |
| 4584104 | Silica inhibition: prevention of silica deposition by boric acid/orthorborate ion A method of inhibiting amorphous silica scale formation on surfaces in contact with industrial waters containing dissolved silicates is disclosed. The method involves treating the industrial waters with a boron compound which dissolves in or hydrolyzes in... | 04/22/1986 |
| 4584115 | Method of preparing boron-containing compositions useful as lubricant additives Reaction products of boric acid or boron trioxide with an epoxide having at least 8 carbon atoms (especially a straight-chain aliphatic epoxide) are useful anti-wear, friction modifying and rust inhibiting additives for lubricants. They are particularly u... | 04/22/1986 |
| 4536307 | Lubricant composition Borated acyl sarcosines have been found to be effective multifunctional additives when added to lubricating oils or greases therefrom. They can be used as antirust, antifriction or anticorrosion agents.... | 08/20/1985 |
| 4533481 | Polycarboxylic acid/boric acid/amine salts and aqueous systems containing same Inhibitors useful in preventing the corrosion of metal surfaces that contact aqueous systems containing them are disclosed. The inhibitors comprise mixtures of monoamine salts of polycarboxylic acids and boric acid. Typical corrosion inhibitors are made f... | 08/06/1985 |
| 4522632 | Etherdiamine borates and lubricants containing same Borates of certain etherdiamines are provided. These compounds give excellent results when tested in lubricants as friction reducing antioxidants or antirust additives.... | 06/11/1985 |
| 4443360 | Oil-soluble zinc cyclic hydrocarbyl dithiophosphate-succinimide complex and lubricating oil compositions containing same Oil-insoluble zinc salts of cyclic dithiophosphates are rendered oil soluble when combined to form a complex with alkenyl or alkyl mono- or bis-succinimides. Oil compositions containing this combination are useful as crankcase lubricants.... | 04/17/1984 |
| 4440656 | Borated alkoxylated alcohols and lubricants and liquid fuels containing same Multifunctional additives are provided for fuel and lubricant compositions. The additives are borated alkoxylated alcohols, made by reacting the alkoxylated alcohol with a boron-containing compound such as boric acid or trialkyl borate. Lubricant and liqu... | 04/03/1984 |
| 4349457 | Corrosion protection for metal surfaces Corrosion-inhibitor compositions and protective covers for the protection of metal surfaces against corrosion, particularly at elevated temperatures. A preferred method is the dispositon of the corrosion-inhibitor compositions in or on the metal-contactin... | 09/14/1982 |
