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| Number | Title | Issue Date |
| 8187499 | Composition intended to be applied in steels for corrosion protection of their surfaces and process for preparing the same The invention is related to a composition destined to protect steels against corrosion by utilization of the steel's own rust as a passivating element, the rust being removed from the steel and/or being synthetically prepared and agglutinated with a resin, where the... | 05/29/2012 |
| 7413682 | Antioxidants and methods of making antioxidants Antioxidants for industrial, automotive, and aviation lubricants and methods of making the same are provided. A process using alkylated diphenylamines; alkylated phenyl-α-naphthyl amines; and a metal catalyst to form oxidates is provided. The metal catalyst is a co... | 08/19/2008 |
| 7393395 | Surface-treating agent for metal The present invention provides a surface-treating agent which improves heat resistance, adhesiveness to resin and solder wettability. The surface-treating agent for metal contains a tetrazole derivative represented by the following formula and/or a salt thereof,... | 07/01/2008 |
| 7371459 | Electrical devices having an oxygen barrier coating An electrical device includes two electrodes and a conductive polymer layer, containing a mixture of a polymer and a conductive filler, separating the electrodes. A oxygen barrier material containing a thermosetting polymer component is present on the exposed surfac... | 05/13/2008 |
| 7238300 | Process for subjecting to actinic radiation and storing an oxygen scavenger, and a stored oxygen scavenger A method comprises subjecting ant oxygen scavenger to actinic radiation; and then optionally storing the oxygen scavenger in a container, the container configured such that the oxygen scavenger exhibits no substantial oxygen scavenging activity while inside the cont... | 07/03/2007 |
| 6846437 | Ammonium polyphosphate solutions containing multi-functional phosphonate corrosion inhibitors A corrosion-inhibited fire retardant composition is provided that comprises at least one ammonium polyphosphate, at least one suspending agent, at least one phosphonate selected from a group consisting of aminotri(methylenephosphonic acid), 1-hydroxyethylidene-1,1-d... | 01/25/2005 |
| 6630079 | Coated bis (2-pyridinethiol-1-oxide) copper salt The present invention provides a bis(2-pyridinethiol-1-oxide) copper salt coated with one or more compounds selected from glycerin, dialkyl phthalate, lubricating oil, acrylic resin, rosin, fatty acid amide, dialkyl polysulfide, polybutene, paraffin and p... | 10/07/2003 |
| 6620348 | Fire retardant compositions containing metal ferrites for reduced corrosivity Fire retardant compositions comprise at least one ammonium polyphosphate, at least one suspending agent, and at least one metal ferrite. In specific embodiments, the compositions of the invention comprise zinc ferrite or magnesium ferrite.... | 09/16/2003 |
| 6551417 | Tri-cation zinc phosphate conversion coating and process of making the same Tri-cation zinc phosphate conversion coating compositions are disclosed. The compositions include a phosphate component, ions of nickel, manganese, and zinc, and a glycerophosphate component, such as disodium glycerophosphate. Coatings formed from these c... | 04/22/2003 |
| 6544440 | Coated bis(2-pyridinethiol-1-oxide) copper salt The present invention provides a bis(2-pyridinethiol-1-oxide) copper salt coated with one or more compounds selected from glycerin, dialkyl phthalate, lubricating oil, acrylic resin, rosin, fatty acid amide, dialkyl polysulfide, polybutene, paraffin and p... | 04/08/2003 |
| 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 |
| 6464899 | Putty composition containing a vapor phase corrosion inhibitor Compositions and methods for inhibiting corrosion of metallic surfaces are disclosed. The corrosion-inhibiting compositions are cost efficient, easy to use and can be conveniently removed or replaced. The corrosion-inhibiting compositions include a putty-... | 10/15/2002 |
| 6432225 | Non-chromated oxide coating for aluminum substrates An improved process that is commercially practical for forming an oxide film cobalt conversion coating exhibiting corrosion resistance and paint adhesion properties on a substrate, where the substrate is aluminum or aluminum alloy, the process including t... | 08/13/2002 |
| 6306201 | Bivalent iron compounds This invention relates to a bivalent iron compound comprising a bivalent iron salt, an amino acid and a reducing material. It is known that bivalent iron salts exhibit specific effects in wide applications, for example, agricultural applications such as m... | 10/23/2001 |
| 6294262 | Composition and process for anticorrosive treatment of non-ferrous metal Disclosed is a composition and a process for anticorrosive treatment of the surface of non-ferrous metal. The composition is obtainable by treating an aqueous solution of CrO3 and an inorganic acid with phosphorous acid as a reducing agent unti... | 09/25/2001 |
| 6190779 | Corrosion resistant coating containing and 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... | 02/20/2001 |
| 6183547 | Environmentally acceptable inhibitor formulations for metal surfaces A composition for inhibiting corrosion of metal surfaces comprises permanganate and a very low concentration of chromium (VI). The concentration of chromium (VI) in the aqueous solution is less than about 100 micrograms per liter, and the concentration of... | 02/06/2001 |
| 6176907 | Anti-corrosion coating material Formulation for anti-corrosion coating materials, comprising (i) 3-30% by mass of a monomeric and/or polymeric, metal-free or metal-containing, chelate-forming compound, (ii) 10-80% by mass of a material which binds hydroxide ions, and (iii) 5-65% by mass of a cond... | 01/23/2001 |
| 6126859 | Method and composition for corrosion and deposition inhibition in aqueous systems A method of stabilizing aqueous system solubility of a transition metal salt, polymeric agent corrosion/deposition control combination at neutral pH is disclosed. The addition of an aliphatic hydroxycarboxylic acid to such corrosion/deposition control com... | 10/03/2000 |
| 6071435 | Composition and process for treating a zinciferous surface To inhibit the blackening of zinciferous metal-plated steel sheet while also generating a good corrosion resistance, fingerprint resistance, and chromium fixation ratio for the steel sheet, it is coated with an aqueous liquid composition that has a pH not... | 06/06/2000 |
| 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 |
| 5976887 | Electrochemiluminescence assays based on interactions with soluble metal ions and diaminoaromatic ligands A novel electrochemiluminescent (ECL) reaction between diaminoaromatic ligands and soluble metal ions, specifically reactions between aminoaromatic ligands, such as 2,4-diaminotoluene (2,4,DAT), 3,4-diaminotoluene (3,4,DAT) and 2,3-diaminonaphthalene (2,3... | 11/02/1999 |
| 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 |
| 5888954 | Corrosion inhibitors for silver A process for inhibiting the corrosion of silver in a dishwashing detergent solution by adding to the solution an inorganic redox-active substance.... | 03/30/1999 |
| 5866042 | Methods and compositions for inhibiting corrosion The present invention provides for methods and compositions for inhibiting the corrosion of iron-containing metals in contact with aqueous systems. The present invention further provides for compositions and methods for inhibiting pitting of iron-containi... | 02/02/1999 |
| 5854180 | Environmentally improved acid corrosion inhibitor Corrosion is inhibited in hydrochloric acid solutions used to acidize wells, by adding to the solutions a corrosion inhibiting composition comprising cinnamaldehyde or a substituted cinnamaldehyde together with a reaction product of a C3-6 keto... | 12/29/1998 |
| 5683588 | Stabilization of catalyzed aqueous sulfite and bisulfite ion solutions A method for stabilizing an aqueous solution containing sulfite or bisulfite ions and a water-soluble metal catalyst. The method comprises incorporating a stabilizing amount of a alpha substituted carboxylic acid or salt thereof or a vinyl carboxylic acid... | 11/04/1997 |
| 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 |
| 5371280 | Polymerization inhibitor and inhibiting method for vinyl compound This invention is directed to a polymerization inhibitor and a polymerization inhibiting method which enables the continuous operation of a device for producing vinyl compounds over a long period of time and virtually eliminates corrosion. Further, the po... | 12/06/1994 |
| 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 |
| 5320779 | Use of molybdate as corrosion inhibitor in a zinc/phosphonate cooling water treatment A corrosion inhibitor treatment composition for cooling water systems is disclosed in which no chromate is used and no free orthophosphate is present comprising a combination of a localized corrosion inhibitor in the form of a salt of molybdenum, vanadium... | 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 |
| 5178796 | Method for oxygen removal with keto-gluconates There is disclosed a method for removing dissolved oxygen from aqueous systems, for example, boiler water systems for oil injection water or brine. The disclosed method uses a salt of a keto-gluconic acid, or a salt of a stereoisomer of a keto-gluconic ac... | 01/12/1993 |
| 5169563 | Water treatment agent and water treatment method for a boiler A water treatment agent for boilers which comprises as active ingredients a compound which can release aliphatic hydroxycarboxylic acid ions in water and a polyamine represented by the following formula (I) or an acid addition product thereof: H2 | 12/08/1992 |
| 5131948 | Anticorrosion coating composition An improved anticorrosion coating composition is disclosed. The composition is characterized in that in the known anticorrosion coating composition comprising a chromic acid compound or a chromic acid compound and a boric acid compound, a powder of zinc, ... | 07/21/1992 |
| 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 |
| 5080818 | Antifreeze composition An antifreeze composition comprising a glycol and water, containing (A) a phosphoric acid compound, (B) a compound of at least one metal selected from the group consisting of manganese and magnesium, (C) a corrosion-proofing agent, and optionally (D) at l... | 01/14/1992 |
| 5071574 | Process and compositions for reducing the corrosiveness of oxygenated saline solutions by stripping with acidic gases A process for reducing the corrosiveness of aerated aqueous solutions, which comprises stripping the oxygen with gas containing hydrogen sulfide after addition of a composition which is both catalytic of the reduction of oxygen by hydrogen sulfide gas and... | 12/10/1991 |
| 5068059 | Corrosion inhibitor A corrosion inhibitor for aqueous systems containing ferrous and non-ferrous metallic surfaces comprising (a) hydroxyphosphonoacetic acid, or a water soluble salt thereof, and (b) an aminoalkylenephosphonic acid derivative, or a water soluble salt thereof... | 11/26/1991 |
| 5064612 | Inhibitor treatment program for chlorine dioxide corrosion A composition and methods for use in oilfield waterflood systems are disclosed. The composition is comprised of a phosphonate, a copolymer, and a permanganate and is effective at inhibiting the corrosion of metallic systems in petroleum oilfields caused b... | 11/12/1991 |
