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| Number | Title | Issue Date |
| 7333649 | Measurement processing apparatus for geometrically measuring an image An measurement processing apparatus for efficiently measuring geometric data of an image is provided. A reference-image outputting means forms a reference-image based on an image that has been previously measured as well as a setting order data which indicates a sug... | 02/19/2008 |
| 7270766 | Feed water composition for boilers “Disclosed is a feed water composition for boilers whose main ingredient is a purified ethylene glycol aqueous solution that is a mixture of purified ethylene glycol and pure water in a weight ratio of 70-90 : 10-30 wt %. The feed water composition comprises 92.1 ... | 09/18/2007 |
| 7118615 | Biodegradable corrosion inhibitor composition A corrosion inhibitor composition includes between about 90 and about 99 percent by weight ammonium benzoate, and one or more additive components in an amount of between 1 and about 10 percent by weight of the composition. The one or more additive components are sel... | 10/10/2006 |
| 7048873 | Composition and method for repairing metal reinforced concrete structures A composition and method for repairing metal reinforced concrete structures by applying a repair coating to surfaces of such damaged structures. The coating composition is a mortar/aggregate mixture blended with fiber reinforcements and containing a quantity of sele... | 05/23/2006 |
| 6833087 | 2,4,-Hexadienoic acid, its alkali salts and/or derivatives for preventing oxidative corrosion of metals Compositions and methods are disclosed for preventing the oxidative corrosion of metal surfaces by exposing a metal surface to an anti-corrosion agent characterized as 2,4-trans, trans-hexadienoic acid (2,4-HDA), its alkali salt identified as potassium sorbate (KHDA... | 12/21/2004 |
| 6787065 | Use of a composition or premix based on volatile corrosion inhibitors, composition or premix, articles comprising said composition and preparation method The invention concerns the use of a composition or premix based on volatile corrosion inhibitors comprising, in order to limit to a maximum the release and/or degradation of the volatile corrosion inhibitors when the composition or premix is being formed, either an ... | 09/07/2004 |
| 6764615 | Migrating corrosion inhibitor fibers Method and formulation for providing multiple sources of migratory corrosion inhibitors to metallic reinforcements embedded in concrete through addition of the inhibitors to the concrete mix. First and second sources of inhibitors are provided with the first source ... | 07/20/2004 |
| 6752934 | Vapor-phase corrosion inhibitors and method of preparing same Substance combinations which contain (1) an inorganic salt of nitrous acid, (2) a water-insoluble polysubstituted phenol, (3) an aliphatic ester of a dihydroxybenzoic acid, and (4) a tocopherol plus optionally (5) a suitable water vapor-volatile bicyclic terpene or ... | 06/22/2004 |
| 6506263 | Sealant composition An aqueous composition for sealing anodically oxidized aluminum surfaces is described. The composition contains at least one surfactant, a magnesium salt, and a cobalt(II) salt. This composition demonstrates enhanced sealant properties. A method for seali... | 01/14/2003 |
| 6316392 | Corrosion resistant lubricants greases and gels The disclosure relates to improved gel/grease compositions as well as grease compositions capable of imparting improved corrosion resistance. The grease includes a silica/silicate mixture that can imparts a relatively high pH and corrosion resistant prope... | 11/13/2001 |
| 6254980 | Metallic sheet having rust-preventive organic coating thereon, process for the production thereof and treating fluid therefor A metal plate having a rust preventive organic layer, said rust-preventive organic layer being a colloid or micelle of a slightly water soluble organic corrosion inhibitor as an organic layer mixed with and dispersed in a matrix resin, its production proc... | 07/03/2001 |
| 6200499 | Compositions for corrosion inhibition of ferrous metals Compositions comprising certain amino acids such as aspartic acid, when fully ionized at alkaline pH, function effectively as corrosion inhibitors for ferrous metals in the presence of an aqueous medium. This effect is enhanced with increased fluid veloci... | 03/13/2001 |
| 6165257 | Corrosion resistant coatings containing an amorphous phase An amorphous mineralized coating upon an iron containing surface wherein the amorphous mineralized coating has a formula Ax By Oz --nH2 O wherein A comprises iron and B comprises silicon and the values of x, y a... | 12/26/2000 |
| 6106741 | Corrosion resistant wire rope product A system is disclosed for inhibiting the corrosion of ferrous and other metals by passivating the metals. The system includes novel buffered compositions which may be applied to metal products, and novel combinations thereof with metals, for preventing or... | 08/22/2000 |
| 6033599 | Vapor phase corrosion inhibitors A corrosion inhibiting composition includes, by weight, 2% to 20% alkali metal nitrite or alkaline earth metal nitrite, 16% to 90% alkali metal benzoate or alkaline earth metal benzoate and 4% to 50% alkali metal molybdate or alkaline earth metal molybdat... | 03/07/2000 |
| 6022494 | Process for decreasing the acid content and corrosivity of crudes The invention relates to processes for treating acidic crudes of fractions thereof to reduce or eliminate their acidity and corrosivity by addition of suitable amounts of Group IA of Group IIA oxides, hydroxides and hydrates. The process has the additiona... | 02/08/2000 |
| 6022401 | Biodegradable modified polyaspartic polymers for corrosion and scale control Several copolymers of aspartic acid and another monomer provide effective mild steel corrosion inhibitors and scale formation inhibitors under oil field conditions. The copolymers are polymers of modified polyaspartic acid mer units and polyaspartic acid ... | 02/08/2000 |
| 5948238 | Metal compounds as accelerators for petroleum acid esterification The present invention relates to a process for reducing the acidity of a petroleum oil containing organic acids comprising treating said petroleum oil containing organic acids with an effective amount of an alcohol at a temperature and under conditions su... | 09/07/1999 |
| 5938976 | Corrosion resistant coatings containing an amorphous phase The disclosure relates to the forming mineralized coatings on metal surfaces and to methods of forming such coatings. The coating can include a wide range of compounds and normally at least a portion of the coating corresponds to an amorphous phase. The c... | 08/17/1999 |
| 5833881 | Composition for inhibiting deposits in the calcination of fluxed iron ore pellets A stable aqueous solution comprising a water soluble salt of a magnesium compound, a surfactant and a calcium salt inhibitor is used to reduce deposits in kilns or furnaces used to make iron ore agglomerates, known as pellets, during iron ore calcination.... | 11/10/1998 |
| 5788857 | Hydroxyimino alkylene phosphonic acids for corrosion and scale inhibition in aqueous systems This invention relates to the use of iminoalkylenephosphonic acids to prevent corrosion, including both localized corrosion and general corrosion on iron based metal surfaces in contact with a corrosive system water in an aqueous system. The invention als... | 08/04/1998 |
| 5750070 | Use of biodegradable polymers in preventing corrosion and scale build-up A biodegradable corrosion inhibitor, scale inhibitor and dispersant is provided. The inhibitor comprises one or more polymers from a family of poly(amino acid) polymers that include hydroxamic acid-containing sidechains. Methods of reducing corrosion and ... | 05/12/1998 |
| 5746947 | Alkylbenzotriazole compositions and the use thereof as copper and copper alloy corrosion inhibitors An alkylbenzotriazole, in combination with mercaptobenzotriazole, tolyltriazole, benzotriazole and/or 1-phenyl-5-mercaptotetrazole, is used to inhibit the corrosion of metallic surfaces, particularly copper surfaces, in contact with an aqueous system. Sys... | 05/05/1998 |
| 5744069 | Water soluable metal anticorrosive A water soluble metal anticorrosive comprising a tetrazole compound or a water soluble salt thereof represented by the following formula (1): ##STR1## wherein R and R' each indicate hydrogen, an alkyl group having 1 to 20 carbon atoms, a cycloalkyl g... | 04/28/1998 |
| 5714093 | Corrosion resistant buffer system for metal products A system is disclosed for inhibiting the corrosion of ferrous and other metals by passivating the metals. The system includes novel buffered compositions which may be applied to metal products for preventing or retarding corrosion and methods for applying... | 02/03/1998 |
| 5714118 | Method and composition for inhibiting corrosion Corrosion of ferrous metal surfaces in an aqueous system, such as a boiler system, is inhibited by adding a first component and a second component, the first component being preferably carbohydrazide, hydrazine, or a salt thereof, the second component bei... | 02/03/1998 |
| 5607623 | Inhibition of carbon dioxide corrosion of metals Polyaspartic acid and its salts ms used as a carbon dioxide corrosion inhibitor for ferrous metal surfaces in contact with a substantially acidic corrosive aqueous saline environment. In particular, carbon dioxide corrosion of mild steel in brine substant... | 03/04/1997 |
| 5589107 | Method and composition for inhibiting corrosion Corrosion of ferrous metal surfaces in an aqueous system, such as a boiler system, is inhibited by adding a first component and a second component, the first component being preferably carbohydrazide, hydrazine, or a salt thereof, the second component bei... | 12/31/1996 |
| 5573708 | Rust inhibitor A general-purpose organic rust inhibitor which can effectively prevent corrosion of metals, and which comprising a compound represented by the general formula (1): ##STR1## wherein, in the above general formula (1), R1 represents a fl... | 11/12/1996 |
| 5531931 | Corrosion-inhibiting salt deicers Salt-based deicing compositions which are highly effective as deicers and which have significantly reduced corrosive effects are provided. One deicing composition comprises a deicing salt as the major component and an inhibitor system comprising either a ... | 07/02/1996 |
| 5500288 | Aluminum surface having chemical conversion coating and method of forming the coating A chemical conversion coating formed on a surface of an aluminum substrate. The coating comprises a composite material formed by a reaction of a nitrate or sulfate of an alkali metal or alkaline earth metal and an organic compound that can form a compound... | 03/19/1996 |
| 5487846 | Rust inhibitor A general-purpose organic rust initiator which can effectively prevent corrosion of metals comprising a compound of formula (1): ##STR1## wherein R1 is a perfluoroalkyl group having 1 to 6 carbon atoms; R2 is a hydrogen atom or ... | 01/30/1996 |
| 5427999 | Amine adducts as corrosion inhibitors Amines which are compounds of the formula I: ##STR1## where R is a C6-20 hydrocarbon; X is --NR1 -- or --O--; each R1 is independently H or --[(CH2)1-4 ]COOH or a C6-20 hydrocarbon; n is 1,... | 06/27/1995 |
| 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 |
| 5356546 | Metal salts useful as additives for fuels and lubricants This invention relates to metal salts of the general formula Ay- My+ (I) wherein M represents one or more metal ions, y is the total valence of all M and A represents one or more anion containing groups... | 10/18/1994 |
| 5344590 | Method for inhibiting corrosion of metals using polytartaric acids A method for inhibiting corrosion of metals in contact with an aqueous solution comprising adding to the system a corrosion inhibiting amount of one or more polytartaric acid compounds having the generalized formula: ##STR1## wherein each R is indepe... | 09/06/1994 |
| 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 |
| 5314643 | High temperature corrosion inhibitor A process for the inhibition of corrosion caused by naphthenic acid and sulfur compounds during the elevated temperature processing of crude oil by use of a corrosion inhibitor consisting of trialkylphosphate and an alkaline earth metal phosphonate-phenat... | 05/24/1994 |
| 5275760 | Gelled corrosion inhibition method A method of corrosion inhibition using a gelled inhibitor is disclosed. The method comprises consecutively introducing into an annular region of a jacketed pipeline a hydrogel slurried in an environmentally innocuous oil medium and a corrosion inhibitor d... | 01/04/1994 |
| 5244600 | Method of scavenging oxygen in aqueous systems A method for inhibiting or preventing corrosion of metals in contact with an aqueous system containing dissolved oxygen comprising adding to the system an oxygen scavenger having the formula ##STR1## wherein n is 5 or 6, lactone derivatives thereof, ... | 09/14/1993 |
