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| Number | Title | Issue Date |
| 7338985 | Rustproofing composition A rustproofing composition has superior properties satisfying rustproofing quality requirements and workability requirements for car underbodies, parts around tires, parts with pockets, plate-bonded parts or the like of car bodies, and containing volatile organic so... | 03/04/2008 |
| 7316793 | Formulation of a liquid composition to form an electrical insulator, an antioxidant or a degreaser Formulation of a liquid composition to form an electrical insulator, an antioxidant or a degreaser, obtained from the combination of by-products with mineral origin, whose formulation shall vary to meet different characteristics, becoming an electrical insulator, an... | 01/08/2008 |
| 6583091 | Method for inhibiting corrosion using 4-sulfophthalic acid The present invention relates to a method for inhibiting high temperature corrosion of corrosion prone metal surfaces by organic acid-containing petroleum streams by providing an effective corrosion-inhibiting amount of 4-sulfophthalic acid, typically up ... | 06/24/2003 |
| 6312509 | Rust preventive coating composition Entirely asphaltic, micro-crystalline wax- and aluminum-based coating compositions, which are fully flexible and accommodate any expansion or contraction in steel structures, are prepared from various combinations of components, e.g. those selected from m... | 11/06/2001 |
| 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 |
| 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 |
| 6123753 | Aqueous dispersions of hydrophobizing agents Stable aqueous dispersions of organo-soluble multivalent ion salts of sulfonate group-containing compounds can be prepared in the presence of surface-active water-soluble alkyl hydroxyalkyl polysaccharides. These aqueous dispersions unexpectedly achieve h... | 09/26/2000 |
| 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 |
| 5958850 | Rust preventive composition A rust preventive composition which is obtained by blending at least one base oil selected from the group consisting of a hydrocarbon solvent, a mineral oil and a synthetic oil with, as essential components, (A) an organophosphoric ester calcium salt represent... | 09/28/1999 |
| 5853797 | Method of providing corrosion protection Disclosed is a method and solution for providing corrosion protection for electrical contact members. The contact members are exposed to the solution, which in one embodiment includes a phosphonate, a lubricant, and a solvent. In a preferred embodiment, t... | 12/29/1998 |
| 5556451 | Oxygen induced corrosion inhibitor compositions Compositions and methods of using the compositions to inhibit oxygen induced corrosion of metal exposed to aqueous solutions are disclosed. The compositions include hydroxybenzoic acid in formulations with imidazoline, heavy aromatic naphtha, polymerized ... | 09/17/1996 |
| 5391396 | Method for protecting metal products against corrosion and metal products obtained from said method The method for providing a temporary protection against corrosion of a cleaned metal product, in particular a metal sheet, comprises the following steps: applying on at least a part of the metal product an emulsion obtained by dispersion in water of 3 to ... | 02/21/1995 |
| 5336303 | Electrochemically active paint for cathodic protection of engineering structures An electrochemically active paint is disclosed which provides cathodic protection to metallic materials of construction. This paint incorporates high concentrations of conductive pigment materials in combination with both corrosion inhibiting agents and e... | 08/09/1994 |
| 5281444 | Isophorone-free fluorocarbon coating composition A coating composition containing fluoropolymer adapted for roll coating is provided with a solvent system that is free of isophorone. The solvent system comprises an ester of an aromatic acid, a high molecular weight ketone, a high molecular weight alcoho... | 01/25/1994 |
| 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 |
| 5242611 | Electrical contact protective lubricant An electrical contact protective lubricant composed of a homogenously mixed mixture of transmission fluid, lithium based grease and petroleum jelly.... | 09/07/1993 |
| 5213701 | Composition containing an oligomeric 1,2,3-trihydroxybenzene additive A compound is a condensate of 1,2,3-trihydroxybenzene with an aldehyde. The condensate is a macrocyclic compound such as a cyclic tetramer. The aldehyde is preferably a long-chain aldehyde such as hexanal, dodecanal or tetradecanal. The condensate can be ... | 05/25/1993 |
| 5091260 | Reduction of corrosion of metals Corrosion of metals and cathodic disbondment of coated metals, especially steel, iron and aluminum, are reduced by coating the metals with a composition of 1-70% by weight of a modified polyolefin and 30-99% by weight of metallic zinc. The modified polyol... | 02/25/1992 |
| 5076842 | Architectural lead treatment A liquid composition for the surface treatment of architectural lead includes at least 10% by weight based on the total weight, of the composition, of an alkyd resin; a solvent for the alkyd resin; and from 1 to 10% by weight, based on the total weight of... | 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 |
| 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 |
| 4799553 | Petroleum sulfonate adjuvants in epoxy resin corrosion-inhibiting composition A composition is provided which, when applied to a metal surface, forms a corrosion-inhibiting film thereon. The composition comprises an epoxy resin, and a petroleum sulfonate, usually in a hydrocarbon diluent. The composition can further comprise a poly... | 01/24/1989 |
| 4749042 | Petroleum sulfonate adjuvants in epoxy resin corrosion-inhibiting composition A composition is provided which, when applied to a metal surface, forms a corrosion-inhibiting film thereon. The composition comprises an epoxy resin, and a petroleum sulfonate, usually in a hydrocarbon diluent. The composition can further comprise a poly... | 06/07/1988 |
| 4749412 | Method and composition for the inhibition of corrosion A method and composition for inhibiting corrosion is disclosed. The method involves forming a coating of from about 1-10 mils thick on a surface, with a composition comprising an over-based alkaline organic sulfonate salt, a drying oil, a copper or rare e... | 06/07/1988 |
| 4675215 | Method and composition for the inhibition of corrosion A method and composition for inhibiting corrosion is disclosed. The method involves forming a coating of from about 1-10 mils thick on a surface, with a composition comprising an over-based alkaline organic sulfonate salt, a drying oil, a copper or rare e... | 06/23/1987 |
| 4650692 | Metal-sulfonate/piperidine derivative combination protective coatings Adding a combination of sterically hindered tertiary amines or derivatives, e.g. piperidine and derivatives, with overbased metal (e.g. calcium, magnesium, barium, zinc, etc.) sulfonate, wax and oxidized petrolatum solvent based rust preventative composit... | 03/17/1987 |
| 4637833 | Inhibiting corrosion: benzylsulfinylacetic acid or benzylsulfonylacetic acid Hydrocarbyl-substituted sulfinyl and sulfonyl carboxylic acids are effective corrosion inhibitors for surfaces of various metals. In one embodiment, mineral acid compositions such as aqueous hydrochloric acid metal cleaning solutions exhibit diminished co... | 01/20/1987 |
| 4582538 | Corrosion inhibiting composition A non-toxic corrosion-inhibiting coating composition is disclosed. The composition comprises at least 15% by weight wool grease having a moisture content of less than about 10% and at least 0.1 pounds and preferably from about 0.2 to about 0.6 pounds of b... | 04/15/1986 |
| 4576643 | Rust preventive and process for the preparation thereof Rust preventive containing as binder agent a talloil pitch esterified by means of an alcohol and having an acid number between 0 and 15 mg KOH/g and a process for preparing a binder agent by esterifying a talloil pitch having an acid number between 17 and... | 03/18/1986 |
| 4484951 | Aluminum flake pigment composition for paint An aluminum flake pigment composition for paint, containing 100 parts by weight of aluminum flake particles, 1 to 7 parts by weight of dimer acid, 0.5 to 14 parts by weight of aliphatic amine and other additives known in this art. The incorporation of the... | 11/27/1984 |
| 4427448 | Corrosion inhibiting compositions for metals An oil-based corrosion inhibitor containing an aliphatic amine, a fatty acid and its ester, and an organotin compound provides improved corrosion resistance to metals and is easily removed when the metals are to be processed.... | 01/24/1984 |
| 4422953 | Corrosion inhibition of halocarbon systems This invention relates to a method of inhibiting corrosion in halohydrocarbon systems such as haloethylene or other corrosive systems, which comprises treating such system with alkyl, alkenyl, or alkyl-X succinic acids or derivatives thereof, for example,... | 12/27/1983 |
| 4396492 | Method for retarding corrosion in petroleum processing operation using N-methyl pyrrolidone This invention is directed to a method of reducing the amount of corrosion resulting in a petroleum process operation wherein N-methyl pyrrolidone is utilized as one of the components by adding an effective corrosion inhibiting amount of an ester additive... | 08/02/1983 |
| 4354872 | Metal oxide oil slurries A highly stable metal oxide oil slurry useful in reducing slag, facilitating removal of deposits from boiler tubes, and reducing corrosion on the heating surfaces of boilers has been developed. Such a slurry consists essentially of about 50% by weight mag... | 10/19/1982 |
| 4344861 | Bis-amides as corrosion inhibitors A method of inhibiting the corrosion of metals in contact with petroleum and petroleum fractions other than gasoline comprises contacting metal surfaces with a corrosion inhibiting amount of bis-amides resulting from reaction of one mole of amine with one... | 08/17/1982 |
| 4342596 | Non-petroleum based metal corrosion inhibitor A non-petroleum based metal corrosion inhibitor is provided. The inhibitor is a solution of compounds mixed together in particular proportions to form a non-petroleum based coating for preventing, or inhibiting, the oxidation of metals. The solution is pr... | 08/03/1982 |
| 4264653 | Coating of steel A process for coating steel with a non-dripping pickle oil is disclosed. The coating process uses a heated hydrocarbon oil containing a long-chain linear alcohol as the coating medium. The alcohol converts the hydrocarbon oil into a meso-solid at ambient ... | 04/28/1981 |
| 4253876 | Corrosion inhibitors This invention relates to a composition comprising (1) an alkenyl or alkyl succinic acid or the anhydride thereof; and (2) a triester of about 3 moles of an alkenyl or alkyl succinic acid or the anhydride thereof and about 1 mole of a trialkanolamine; and to the us... | 03/03/1981 |
| 4226700 | Method for inhibiting fouling of petrochemical processing equipment Method for inhibiting the formation of foulants on petrochemical equipment which involves adding to the petrochemical, during processing, a composition comprising a thiodipropionate and either a dialkyl acid phosphate ester or a dialkyl acid phosphite est... | 10/07/1980 |
| 4157991 | Corrosion preventive composition A coating composition for protecting metal surfaces from corrosion having ntrolled proportions of an alkyl ammonium alkyl phosphate and a high molecular weight petroleum sulfonate to inhibit corrosion, silicone and silicone alkyd resins to provide a physi... | 06/12/1979 |
