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| Number | Title | Issue Date |
| 7407623 | Steam condensate corrosion inhibitor compositions and methods Lecithin and 2-bromo-2-nitropropane-1,3 diol (BNPD) are used to inhibit corrosion in boiler steam condensate systems. Aqueous steam condensate corrosion inhibiting compositions of these components are also disclosed. BNPD is also used as a preservative in lecithin c... | 08/05/2008 |
| 7294362 | Aqueous agent for treating substrate, method for treating substrate and treated substrate Water-based, substrate treatment compositions contain (A) at least one chitosan selected from chitosan and a chitosan derivative, and (B) a metal compound containing at least one metal selected from Ti, Zr, Hf, Mo, W, Se, Ce, Fe, Cu, Zn, V and trivalent Cr. In parti... | 11/13/2007 |
| 7077976 | Phosphonamide and phosphonamide blend compositions to treat water The invention is a water treatment composition comprising at least one phosphonamide and blends thereof and a method to treat water. As phosphonamides are generally odorless, and typically solids, phosphonamide and phosphonamide blend compositions are generally odor... | 07/18/2006 |
| 6706214 | Composition and process for inhibiting corrosion of metallic substrates A composition and process for inhibiting the corrosion of metallic substrates is revealed. The process utilizes an aqueous treatment solution comprising chitosan which has been reacted with an additive selected from the group consisting of phosphorus-containing comp... | 03/16/2004 |
| 6558619 | High performance phosphorus-containing corrosion inhibitors for inhibiting corrosion drilling system fluids A corrosion inhibitor comprising a quantity of a phosphorylated oxyalkylated polyol at a pH of 5.0 or higher which produces a first level of corrosion loss in an oxygenated corrosive system under given conditions, and an amount of a passivating agent effe... | 05/06/2003 |
| 6508958 | Composition and process for inhibiting corrosion of metallic substrates A composition and process for inhibiting the corrosion of metallic substrates is revealed. The process utilizes an aqueous treatment solution comprising chitosan which has been reacted with an acid selected from the group consisting of phosphonic acids, c... | 01/21/2003 |
| 6416712 | Corrosion inhibition method suitable for use in potable water Effective corrosion inhibitors having minimal organic content, particularly suitable for use in municipal drinking water systems, are described. The corrosion inhibiting additive is a stannous salt of a non-carbon acid.... | 07/09/2002 |
| 6403028 | All-organic corrosion inhibitor composition and uses thereof This invention relates to an all-organic corrosion inhibiting composition comprising (a) 6,6,6-(1,3,5-triazine-2,4,6-triyltriimino) tris hexanoic acid; and (b) a water-soluble phosphonated oligomer salt. The invention also relates to a process for inhibit... | 06/11/2002 |
| 6383414 | Use of corrosion inhibiting compounds to inhibit corrosion of metal plugs in chemical-mechanical polishing A process of inhibiting a corrosion of metal plugs formed in integrated circuits is described. The corrosion inhibiting process includes providing a partially fabricated integrated circuit surface including the metal plugs on a polishing pad to carry out ... | 05/07/2002 |
| 6379474 | Phosphating method accelerated by N-oxides An acidic aqueous phosphating solution is presented having 0.2 to 3 g/l of zinc ions, 3 to 50 g/l of phosphate ions expressed as PO4-3, and 0.05 to 4 g/l of an organic N-oxide containing a saturated, unsaturated or aromatic 5- or 6-m... | 04/30/2002 |
| 6331202 | Anti-corrosive pigments The invention relates to a paint and/or a coating composition comprising anti-corrosive composition comprises at least one oxyaminophosphate pigment and at least one oxynitrite, oxymetalphosphate, oxyborate or oxysilicate. A method for the oxyaminophospha... | 12/18/2001 |
| 6200529 | Corrosion inhibition method suitable for use in potable water Effective corrosion inhibitors having minimal organic content, particularly suitable for use in municipal drinking water systems, are described. The preferred corrosion inhibiting additive is an aqueous solution of a stannous halide, preferably stannous c... | 03/13/2001 |
| 6177047 | Water-treatment composition and method of use The invention herein relates to water-treatment technology, namely compositions comprising a phosphonic acid, a zinc salt and a metal salt. A preferred metal salt is aluminum tri-chloride whereas amino tris methylene phosphonic acid is a preferred phospho... | 01/23/2001 |
| 5772893 | Ether diphosphonate scale inhibitors The invention is a method for the prevention of scale formation on metal or other surfaces in contact with scale-forming industrial water with an effective scale-inhibiting amount of an ether 1,1-diphosphonate of the general formula: ##STR1## Th... | 06/30/1998 |
| 5512189 | Antiwear and antioxidant additives A reaction product useful as an antiwear or antioxidant additive in lubricants is made by reacting a sulfur-containing carboxylic acid, i.e. 3,3'-thiodipropionic acid and a phosphorodithioate, i.e. butoxylated bis(2-ethylhexyl) phosphorodithioic acid.... | 04/30/1996 |
| 5429674 | N-acyl aminomethylene phosphonates and their use in waterborne coating compositions N-acyl aminomethylene phosphonates are provided having a group defined by the following general formula: ##STR1## wherein R1 is hydrogen, an aliphatic radical having 1 to 25 carbon atoms, or an aromatic radical having 6 to 25 carbon atoms;... | 07/04/1995 |
| 5320764 | Multifunctional lubricant additives Novel compounds of the formula (I) ##STR1## in which X is oxygen or sulfur, R and R1 independently of one another are C3 -C30 alkyl, R2 is C4 -C18 alkyl and R3, R4 | 06/14/1994 |
| 5192447 | Use of molybdate as a cooling water corrosion inhibitor at higher temperatures A corrosion inhibitor treatment composition for cooling water systems at elevated temperatures in which no chromate is used is disclosed, comprising a combination of a localized corrosion inhibitor in the form of a salt of molybdenum, vanadium, or tungste... | 03/09/1993 |
| 5126108 | Aminophosphonate-containing polymers used in an anticorrosion method Aminophosphonate-containing polymers of the formula: --B]m [A]n wherein A represents repeating units from one or more ethylenically unsaturated comonomers; B is ##STR1## wherein R is hydrogen or methyl. X is hydrogen or an alkali me... | 06/30/1992 |
| 5085696 | Methods and compositions for treating metals by means of water-borne polymeric films Corrosion resistance of metals such as aluminum is promoted by contact with a formulation containing an aqueous emulsion of an acrylic polymer; a blocked water-soluble zirconium catalyst; a volatile organic solvent/water mixture; and a corrosion additive ... | 02/04/1992 |
| 5019282 | Organic ester, amide or amine salts of phosphorodithioate substitute carboxylic anhydrides as multifunctional additives Certain organic ester, amide and amine salts of phosphorodithioate coupled carboxylic anhydrides have been found to be effective multifunctional antiwear and antioxidant additives for lubricants.... | 05/28/1991 |
| 4992184 | Phosphite sulfonate reaction products as multifunctional additives Phosphites of hydrocarbyl diols or alkoxylated amines are reacted with aryl sulfonic acids preformed or formed in situ in lubricants to provide multifunctional antioxidant, corrosion inhibiting, and friction reducing properties therefor.... | 02/12/1991 |
| 4913880 | Novel amine-containing copolymers and their use This invention relates to novel polymeric compositions which are useful for water treatment. These novel compositions are comprised of polymers of , ଲ ethylenically unsaturated monomer(s), preferably containing carboxylic acid or carboxylic a... | 04/03/1990 |
| 4842716 | Ethylene furnace antifoulants An improved method for reducing fouling and corrosion of ethylene cracking furnaces petroleum feedstocks, the improvement comprising treating the petroleum feed stock with at least 10 ppm of a combination of a phosphorous antifoulant compound and a filmin... | 06/27/1989 |
| 4814010 | Corrosion inhibition A method for the inhibition of corrosion of metals involves treatment of the metal surface with a polyester having a functional terminal group such as an amine. The polyester may be used together with other corrosion inhibitors, a useful combination being... | 03/21/1989 |
| 4775458 | Multifunctional antifoulant compositions and methods of use thereof Multifunctional process antifoulant compositions and methods are disclosed. The compositions comprise (1) a polyalkenylthiophosphonic acid or ester thereof, and at least one additional antifouling component selected from the groups (2), (3) and (4) wherei... | 10/04/1988 |
| 4722805 | Multifunctional corrosion inhibitors Corrosion inhibitors for ferrous metals are provided which afford protection from general corrosion and cracking-type corrosion, which inhibitors are reaction products of acylated polyamines and phosphate esters.... | 02/02/1988 |
| 4719083 | Composition useful as corrosion inhibitor, anti-scalant and continuous biocide for water cooling towers and method of use An all-in-one treatment composition for a water cooling tower includes a water soluble aromatic azole corrosion inhibitor such as benzotriazole, an organophosphorous antiscalant and a polymeric quaternary ammonium compound. The polymeric quaternary ammoni... | 01/12/1988 |
| 4663053 | Method for inhibiting corrosion and deposition in aqueous systems A corrosion inhibition and scale control method and composition are disclosed. The method comprises, adding to a cooling water system, for which protection is desired, a water soluble zinc salt, a water soluble sulfonated styrene/maleic anhydride (SSMA) c... | 05/05/1987 |
| 4604226 | Aerosol corrosion inhibitors Corrosion inhibitor compositions comprising a mixture of an amine neutralized phosphate ester and a volatile amine selected from the group consisting of cyclohexylamine, morpholine and isopropylamine. Such compositions are useful in inhibiting corrosion o... | 08/05/1986 |
| 4584175 | Corrosion inhibiting method and plastic sheet material therefor There is disclosed a method for the inhibiting of corrosion of a variety of metals by placing the metal in the presence of a plastic sheet carrier having incorporated therein effective amounts of corrosion inhibitors which include; (a) certain hydroxyalky... | 04/22/1986 |
| 4584021 | Aerosol corrosion inhibitors Corrosion inhibitor compositions comprising a mixture of nitroalkane containing 1-3 carbon atoms and an amine neutralized phosphate ester selected from the group consisting of 2-ethylhexylamine salt of mixed mono- and di-isooctyl acid phosphate, tertiary ... | 04/22/1986 |
| 4579956 | Amino-phosphonates Amino-phosphonates are prepared by reacting an enamine with a phosphite ester, for example, according to the equation ##STR1## where OR' is an alcohol moiety and NR2 is an amino moiety, both R and R' being preferably hydrocarbon such as al... | 04/01/1986 |
| 4545925 | Corrosion inhibited freeze protected heat transfer fluid An improved corrosion inhibited, freeze protected, heat transfer fluid or antifreeze composition which is comprised of at least about 0.25 weight percent phosphate as PO4, greater than 0.025 weight percent nitrite as NO2, and the bal... | 10/08/1985 |
| 4520153 | Production of paint containing lecithin-treated metal oxide A process which includes subjecting a composition of (a) solid or fluid, oil-carrying or oil-free lecithin materials and (b) metal oxides to mechanical treatment or mechanical impact, without the requirement of heat application to such composition. The re... | 05/28/1985 |
| 4517114 | Inhibitors against corrosion caused by CO2 and H2 S in water-in-oil emulsions The subject invention relates to compositions which inhibit the corrosion caused by CO2 and H2 S in the transport and storage of crude oils, which are generally water-in-oil, in particular salt-water-in-oil emulsions. The corrosion i... | 05/14/1985 |
| 4511480 | Corrosion inhibition in deep gas wells by phosphate esters of poly-oxyalkylated thiols Phosphate esters of oxyalkylated thiols are used as corrosion inhibitors for ferrous metals in deep gas wells.... | 04/16/1985 |
| 4511481 | Multifunctional additives Synthesized- and mineral-based industrial lubricants are stabilized with a triazole adduct of amine phosphates thereby providing excellent oxidation stability, antiwear and rust preventative performance for said industrial lubricants.... | 04/16/1985 |
| 4389371 | Process for inhibiting the corrosion of aluminum Corrosion inhibited alcohol compositions can be prepared which are suitable for use as anti-freeze compositions in the cooling systems of internal combustion engines. The alcohol is selected from at least one of the group consisting of methanol, ethanol, ... | 06/21/1983 |
| 4313837 | Using molybdates to inhibit corrosion in water-based metalworking fluids Corrosion of metal workpieces by water-based synthetic metalworking fluids is inhibited by a small but effective amount of a corrosion inhibitor consisting essentially of a molybdate compound and a compound selected from the group consisting of nitrites, ... | 02/02/1982 |
