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| Number | Title | Issue Date |
| 7311964 | Inorganic matrix-fabric system and method A method of reinforcing a structural support, includes applying a reinforcement system comprising an AR-glass fibrous layer embedded in an inorganic matrix to the structural support. The AR-glass fibrous layer has a sizing applied thereon, and a resinous coating app... | 12/25/2007 |
| 7306663 | Corrosion inhibitor A liquid corrosion inhibitor comprising a primary, secondary, tertiary or mixed amine complexing agent and a carboxylic acid complexing agent, and may further contain a pH adjusting agent and an antifreeze agent, which is capable of providing both short-term and lon... | 12/11/2007 |
| 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 |
| 6712995 | Method for rehabilitative and/or protective corrosion-inhibition of reinforcing steel embedded in a hardened concrete structure by means of surface-applied corrosion-inhibiting compositions The present invention provides methods and compositions for the reduction of the corrosion rate of already corroding steel reinforcements embedded in a hardened concrete structure as well as for the protective corrosion inhibition of uncorroded steel reinforcements ... | 03/30/2004 |
| 6464763 | Water soluble composition as metal surface coating in the form of dry films proof to atmospheric corrosion A composition for use in forming a dry film coating on metal surfaces to at least temporarily protect the surfaces from oxidation comprises at least 20% by weight of a combination of at least one saturated linear carboxylic monoacid with at least one unsa... | 10/15/2002 |
| 6402990 | Method for rehabilitative and/or protective corrosion-inhibition of reinforcing steel embedded in a hardened structure by means of surface-applied corrosion-inhibiting compositions The present invention provides methods and compositions for the reduction of the corrosion rate of already corroding steel reinforcements embedded in a hardened concrete structure as well as for the protective corrosion inhibition of uncorroded steel rein... | 06/11/2002 |
| 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 |
| 6303079 | Corrosion inhibitor compositions The present invention relates to a process for making and a method for using a corrosion inhibitor composition to reduce the corrosion rate of a metal by a fluid containing a corrosion agent. The corrosion inhibitor composition comprises at least a quater... | 10/16/2001 |
| 6174461 | Concrete sealers with migrating corrosion inhibitors A concrete sealer material is provided containing a corrosion inhibitor which is free to migrate upon leeching from the concrete sealer. The inhibitor retards the rate of corrosion of reinforcements contained within the concrete, including metallic mesh, ... | 01/16/2001 |
| 6171521 | Zwitterionic water-soluble substituted imine corrosion inhibitors This invention is directed to a zwitterionic water-soluble imine of formula: ##STR1## wherein R1 is heterocyclyl, heteroaryl, aryl, arylalkyl, cycloalkyl or lower alkyl; R2 is alkyl, alkenyl, aminoalkyl, diaminoalkyl, hydroxyalk... | 01/09/2001 |
| 6146704 | Use of aqueous polymer dispersions for protecting metallic surfaces against corrosion Aqueous polymer dispersions based on copolymers of C2 -C14 olefins and monomers which contain acidic functional groups or are able to form them by hydrolysis, which dispersions may also contain colorants and/or corrosion inhibitors d... | 11/14/2000 |
| 6071436 | Corrosion inhibitors for cement compositions Compositions and methods relating to cementitious compositions are provided. The addition of an amidoamine that is the reaction product of polyalkylenepolyamines and short-chain alkanedioic acids or reactive derivatives thereof to cementitious composition... | 06/06/2000 |
| 6063447 | Process for treating the surface of metal parts The present invention relates to a process for treating the surface of a metal part to prepare it for drawing and to protect it temporarily against corrosion, comprising applying an aqueous treatment composition to the surface of said part and drying the ... | 05/16/2000 |
| 5993693 | Zwitterionic water-soluble substituted imine corrosion inhibitors Zwitterionic water-soluble imine corrosion inhibitors of the general formula: ##STR1## wherein R3 is an anionically charged group. Preferred zwitterionic imines are the reaction products of the Michael addition of acrylic acid to an i... | 11/30/1999 |
| 5891364 | Corrosion inhibitors for cement compositions Compositions and methods relating to cementitious compositions are provided. The addition of an amidoamine that is the reaction product of polyalkylenepolyamines and short-chain alkanedioic acids or reactive derivatives thereof to cementitious composition... | 04/06/1999 |
| 5858947 | Metal cleaning and de-icing compositions A metal cleaning composition comprising EDDS is described. Preferably, the compositions comprise optical isomers of EDDS, such as (s,s)EDDS. The compositions are particularly well suited for cleaning iron, zinc, aluminum, and copper. De-icer compositions ... | 01/12/1999 |
| 5854145 | Corrosion inhibitor solution applicator A package for facilitating the protection of metallic surfaces against corrosion and including a blend of corrosion inhibitor and surface-conditioning component such as a degreaser, descaler, and/or anti-static component in liquid state impregnated into a... | 12/29/1998 |
| 5795373 | Finishing composition for, and method of mass finishing A composition and method of using the composition is provided which greatly aids in the removal of contaminants contained in a finishing solution used in a mass finishing process. The composition contains water, monoethanolamine borate, monoethanolamine o... | 08/18/1998 |
| 5681378 | Coating composition for the protection of metal against corrosion An aqueous composition for the protection of metal surfaces against corrosion includes, as an emulsion in water at least one overbased compound which is a water-insoluble salt. The overbased compound has a basic neutralization number of more than 40. In a... | 10/28/1997 |
| 5527854 | Hydrophilic surface-treating aqueous solution and hydrophilic surface-treating method using polyglutamic acid A hydrophilic surface-treating aqueous solution and a hydrophilic surface-treating method are provided to form a film which can maintain its hydrophilicity. The hydrophilic surface-treating aqueous solution contains as main components polyglutamic acid, b... | 06/18/1996 |
| 5522981 | Process and bath for the electrolytic deposition of polypyrrole on an oxidizable metal surface by electro-polymerization The invention relates to a process for depositing a thin adhesive coating of polypyrrole on the surface of an article made of oxidizable metal, by electropolymerization of an aqueous or aqueous-alcoholic electrolytic solution of pyrrole and/or of one or m... | 06/04/1996 |
| 5433773 | Method and composition for treatment of phosphate coated metal surfaces A final seal rinse or pre-treatment for improving the adhesion and corrosion protection afforded by application of organic coatings to metallic substrates, with the seal rinse comprising an aqueous solution of comprising an effective concentration of (2-b... | 07/18/1995 |
| 5422141 | Corrosion inhibiting composition for reinforced concrete and method of applying same A rehabilitative solution for preventing or retarding the spread of corrosion of metal reinforcements in concrete, comprising a) one or more corrosion-inhibiting agent(s) and b) a impregnation-increasing amount of a penetration-enhancing agent selected fr... | 06/06/1995 |
| 5391349 | Method for inhibiting corrosion of metal imbedded in concrete The corrosion of ferrous-based metals imbedded in concrete containing a chloride is inhibited by drawing the chlorides away from the metal, and then applying a composition containing ammonium carbamate or ammonium carbonate to the concrete. An agent may b... | 02/21/1995 |
| 5352383 | Corrosion inhibitor and sealable thread protector end cap for tubular goods A liquid anticorrosion composition adapted for application to ferrous tubular goods is provided comprising an aqueous solution of cyclohexylammonium benzoate and a benzoate salt, which is preferably prepared by reacting cyclohexylamine with excess sodium ... | 10/04/1994 |
| 5294519 | Process for preparing printed-circuit board A process for preparing a printed circuit board. The process involves successive steps of coating a photosensitive electrodeposition coating composition onto a printed-circuit copper-clad, laminated base plate to form a photosensitive resist film, applyin... | 03/15/1994 |
| 5277709 | Coating compositions A coating composition comprising a) an organic film-forming binder; and b) a corrosion-inhibiting amount of a substantially water-insoluble mono- or poly-basic salt of: i) a ketoacid having the formula I: ##STR1## in which m and n, independently, are... | 01/11/1994 |
| 5250325 | Corrosion inhibitors Coating composition comprising: A) an organic film-forming binder; and B) a corrosion-inhibiting amount of a water-insoluble salt of i) a carboxylic acid having the formula (I): ##STR1## and ii) a base selected from a) a cation of Group Ib, IIa, IIb, III... | 10/05/1993 |
| 5183842 | Method of producing an organic, corrosion-resistant surface coating The present invention provides coating compositions comprising a) an organic film-forming binder; and b) a corrosion-inhibiting amount of a salt of i) a ketoacid having the formula (I): ##STR1## wherein a is 1,2,3,4 or 5; the R substituents are the same or di... | 02/02/1993 |
| 5128396 | Coating compositions containing water-insoluble salts of keto-acids The present invention provides coating compositions comprising a) an organic film-forming binder; and b) a corrosion-inhibiting amount of a salt of i) a ketoacid having the formula (I): ##STR1## wherein a is 1,2,3,4 or 5; the R substituents are the same or di... | 07/07/1992 |
| 5032317 | Process of inhibiting corrosion A process is disclosed for inhibiting corrosion in tin-plated steel aerosol cans which contain aqueous aerosol formulations and a propellant. Compositions such as the isopropylamine, cyclohexylamine, 2-ethylhexylamine and tertiary C12-14 alkyl ... | 07/16/1991 |
| 5030385 | Process of inhibiting corrosion A process is disclosed for inhibiting corrosion in tin-plated steel aerosol cans which contain aqueous aerosol formulations and a propellant. Compositions such as the isopropylamine, cyclohexylamine, 2-ethylhexylamine and tertiary C12-14 alkyl ... | 07/09/1991 |
| 4784796 | Corrosion inhibitors The reaction of an ,ଲ-ethylenically unsaturated aldehyde with organic amines which is further reacted with a carboxylic acid, organic halide or an epoxide-containing compound are employed as corrosion inhibitors for preventing corrosion of fe... | 11/15/1988 |
| 4784797 | Process for inhibiting corrosion of ferrous metals The oligomers prepared by the reaction of an ,ଲ-ethylenically unsaturated aldehyde with organic amines further reacted with a carboxylic acid, organic halide or an epoxide-containing compound are employed as corrosion inhibitors in a process ... | 11/15/1988 |
| 4647309 | Waterborne firm coating for temporary protection of parts, providing controlled lubrication during assembly A waterbase coating composition for use in protecting the threads of metal studs during automotive production line phosphating, electrostatic painting and welding. Composition also provides controlled lubricity as well as even torque during the tightening... | 03/03/1987 |
| 4636256 | Corrosion inhibiting system containing alkoxylated amines A series of water-soluble, or at least water-dispersible, corrosion inhibiting solutions are disclosed which contain about 2 ppm to about 70%, preferably about 3 ppm to about 200 ppm, of an ethoxylated, propoxylated alkylphenol amine represented by the fo... | 01/13/1987 |
| 4602958 | Aerosol corrosion inhibitors Corrosion inhibitor compositions comprising a mixture of (1) a volatile amine selected from the group consisting of cyclohexylamine, isopropylamine and morpholine and (2) a tertiary C12-14 alkylammonium carboxylate selected from the group consi... | 07/29/1986 |
| 4479981 | Water-borne hard coating compositions and processes therefor Thixotropic water reducible, dispersible, corrosion resistant coating composition comprising amine salt of blended microcrystalline waxes in which the waxes have an acid number of 7-200 and the amine is preferably morpholine with C-8-30 carboxylic acid, p... | 10/30/1984 |
| 4473491 | Alkanolamine salts of cyclic amide acids and their use as metal corrosion inhibitors in aqueous systems Alkanolamine salts of amide acids having the formula: ##STR1## in which the circle represents a single nucleous aromatic ring or a monocyclic or bicyclic aliphatic ring system in each case with 5 or 6 carbon atoms per ring in which R1 repr... | 09/25/1984 |
| 4462829 | Rust converting and rust inhibiting primer A rust converting and rust inhibiting primer is disclosed which comprises an aqueous suspension or aqueous emulsion of an alkyd resin, about 150 to 275 parts by weight of pigment containing at least 50 parts by weight of red iron oxide pigment, the remain... | 07/31/1984 |
