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7390847 |
Polymer derivatives for the treatment of metals
A composition for the treatment of metal surfaces and for the deposition of metals or metal alloys on plastics surfaces contains
a) at least one polymer as component A, composed of the structural...
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7381252 |
Anti-corrosion additive composition for concrete compositions for use in reinforced concrete structures
An anti-corrosive additive composition is provided that includes an alkali-based salt of dioic acid and a defoamer agent. The defoamer agent is generally selected from the group consisting of a...
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7179403 |
Anti-corrosion solutions for air dehumidification systems
Anti-corrosion solutions useful for air dehumidification processes are disclosed. Phosphonate corrosion inhibiting agents or mixtures thereof can be added to halide solutions of alkali metals,...
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6953534 |
Engine antifreeze composition
In general this invention relates to an antifreeze composition that can be used in the cooling systems of internal combustion engines, for example, in heavy-duty diesel engines, light duty trucks...
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6913711 |
Corrosion inhibitors
There is provided a cosmetic or topical composition for use on the human body having a phosphate compound in an amount effective to inhibit corrosion of metallic containers containing the...
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6881279 |
High performance non-chrome pretreatment for can-end stock aluminum
A chemically and thermally stable chromate free aqueous liquid treatment for metals, especially aluminum, that imparts corrosion resistance as good as that from conventional chromate containing...
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6866797 |
Corrosion inhibitors and methods of use
A class of quaternary ammonium compounds are found to be effective as corrosion inhibitors. These quaternary ammonium compounds may be used alone or in combination with additional components. For...
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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...
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6814885 |
Scale and corrosion inhibitors
A scale and corrosion inhibitor for use in the treatment of water comprises at least one oxyalkylene unit and at least one phosphonate unit (e.g. a unit derived prom a mono- or di-phosphonic acid...
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6805756 |
Universal aqueous coating compositions for pretreating metal surfaces
A universal aqueous composition and a process for using such a composition for pretreating metal substrates is provided. The aqueous composition includes a hydroxy functional cyclic compound, such...
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6780824 |
Emulsifier system, anti-corrosive and low-temperature lubricant emulsion
Emulsifier system containing a) ethoxylates/propoxylates of fatty alcohols with 8 to 18 C atoms in the alcohol with 2 to 6 ethylene oxide units and 4 to 8 propylene oxide units, b) fatty alcohols...
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6740173 |
Method for protecting metals against corrosion and non-polluting reactive composition therefor
The invention concerns a method for protecting metal products against corrosion, characterised in that it consists in applying directly on the metal products, that is without prior treatment, a...
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6733687 |
Hybrid supplemental coolant additive
In general, this invention relates to supplemental coolant additive for use in cooling systems, for example, in diesel engine cooling systems. The supplemental coolant additive includes a C 4 -C 6 ...
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6645428 |
Fluorescent monomers and tagged treatment polymers containing same for use in industrial water systems
Fluorescent monomers are described and claimed which are synthesized by reacting a substituted or non-substituted naphthalic anhydride with an amine and with a moiety containing a polymerizable...
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6624227 |
Phosphonic acid reaction products and use in coating compositions
The invention provides an aqueous coating composition comprising nonionically and/or anionically stabilized film-forming polymers and metallic pigments and a compound which is the reaction product...
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6579472 |
Corrosion inhibiting sol-gel coatings for metal alloys
An anti-corrosive sol-gel that is a combination of an organometallic salt, an organosilane, and a borate, phosphate, or zinc functional component. The organosilane component may be selected from a...
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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...
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6508951 |
Low P type coolant composition
A glycol-based coolant composition which provides an excellent metal corrosion inhibition despite its low phosphorus content is disclosed. The glycol-based coolant composition contains: (A)...
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6447594 |
Strontium chromate corrosion inhibitor pigment with reduced solubility
A process for producing a strontium chromate corrosion inhibitor includes the steps of providing an aqueous slurry containing dispersed particulate strontium chromate, adding to the slurry a...
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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...
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6309477 |
Non-chromium pretreatment chemicals
The present invention is relates to pretreatment chemicals metal materials to be painted containing at least one kind of sulfur-containing compounds and at least one of phosphorus ion-containing...
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6299983 |
Derivatized metallic surfaces, composites of functionalized polymers with such metallic surfaces and processes for formation thereof
This invention provides for metal surfaces which when derivatized with α-ω bis-functionalized substantially linear aliphatic, including fluoroaliphatic acids and metal salts thereof exhibit...
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6248701 |
Aqueous metal coating composition and process with reduced staining and corrosion
A combination of sulfur-free azoles, preferably benzotriazole and tolyltriazole, with sulfur-containing azoles, preferably 2-mercaptobenzothiazole or mercaptobenzimidazole, prevents discoloration,...
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6238594 |
Intumescent material
An intumescent material includes a liquid carrier with a corrosion inhibitor, such as a coating forming material, expandable particulate graphite (flake graphite or lump graphite) and if desired a...
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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...
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6162391 |
Scale inhibition agent and method for using same
An agent for preventing scale formation and a method for preventing scale formation include a polymer which has at least 50% of N-vinyl formamide units or N-vinyl acetamide units and a phosphorus...
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6099755 |
Method and composition for inhibiting scale and controlling corrosion in cooling water systems
A method and composition for simultaneously controlling the deposition of scale and the formation of corrosion in a cooling water system comprising adding to the system a combination of (a) a water...
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6071434 |
Phosphino derivatives
The reaction of compounds of the formula: X 2 O 3 P CHY CZ 2 where Y and each Z are each H, PO 3 X 2 , SO 3 X or CO 2 X (e.g. vinyl phosphonic acid or vinylidene diphosphonic acid) with...
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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...
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5863464 |
Methods of inhibiting corrosion using halo-benzotriazoles
The use of halo-benzotriazoles as corrosion inhibitors in aqueous systems is disclosed. Halo-benzotriazoles such as chloro-tolyltriazole and bromo-tolyltriazole were found to be more effective...
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5863415 |
Control of naphthenic acid corrosion with thiophosporus compounds
Corrosion of iron-containing metal surfaces in a hydrocarbon fluid having a temperature of from about 175° C. to about 400° C. and containing a corrosive amount of naphthenic acid is inhibited by...
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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...
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5779774 |
Rust inhibiting phosphate ester formulations
Mixtures of alkylaromatic secondary phosphate and tertiary phosphate esters prepared by reaction of phosphonyl chloride and primary phosphonyl chlorides with alkylaromatic phenols are disclosed as...
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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...
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5720983 |
Two pack peracid disinfection system, method of preparation of disinfectant composition therefrom, and use thereof in disinfecting a surface
An aqueous composition comprising a lower aliphatic peracid, a corrosion inhibitor and a peroxide stabilizer and/or peracid stabilizer, is useful for disinfecting medical equipment, particularly...
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5646101 |
Machine dishwashing detergents containing an oxygen bleach and an anti-tarnishing mixture of a paraffin oil and sequestrant
The present invention relates to a machine dishwashing composition containing from 1% to 80% of a detergent builder component other than carbonate from 0% to 9%, preferably 0% to 5%, most...
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5624634 |
Peracid compositions for medical disinfection
A multi-component product for providing, on mixing of the components, a disinfectant composition. A first component of the product comprises an aqueous solution of a lower aliphatic peracid and a...
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5576558 |
Primer composition containing polyisocyanate and phosphate for bonding to a hard-to-bond material
A primer composition containing: (a) at least one polyisocyanate component selected from 4,4'-diphenylmethane diisocyanate, tolylene diisocyanate, xylene diisocyanates, hexamethylene...
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5419845 |
Perfluorinated gemdiphosphonates as corrosion inhibitors for antifreeze coolants and other functional fluids
A coolant or antifreeze composition has one or more glycols or glycol ethers in combination with water, one or more additives, and an effective amount of one or more perfluoro-gem-diphosphonates as...
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5387368 |
Oxygen-scavenging composition
An oxygen scavenging composition comprising an intimate mixture of (A) a compound having a skeleton of the following formula (1), ##STR1## wherein R is a hydrogen atom or an alkyl group having 1 to...
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5376331 |
Method and composition for inhibiting general and pitting corrosion in cooling tower water
A method of inhibiting the pitting corrosion rate of carbon steel in a cooling tower system comprising adding to a cooling tower water an effective amount of a corrosion inhibiting composition...
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5370909 |
Liquid composition and process for treating aluminum or tin cans to impart corrosion resistance and mobility thereto
A corrosion resistant film with a low coefficient of friction that facilitates automatic conveying can be formed on the surface of tin-plated steel or of aluminum, particularly DI cans of one of...
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5296167 |
Method and composition for inhibiting corrosion by sodium and calcium chloride
There is disclosed a method to inhibit the corrosion of metals by sodium chloride and calcium chloride solutions by incorporating in the solutions a mixture of mono- and di-hydrogen...
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5292455 |
Corrosion inhibition of calcium chloride brine
A method of inhibiting corrosion of metals such as low carbon steel in contact with calcium chloride brine comprising adding to the brine or to the salt prior to dissolution...
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5269957 |
Rust removing agent for stainless steel surface
A rust removing agent for a stainless steel surface of an aqueous solution of phosphoric acid, a polyhydroxymonocarboxylic acid or a salt thereof and a surfactant.
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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...
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5160630 |
Scale inhibition
A method of inhibiting the precipitation of calcium carbonate scale from an aqueous system, comprising adding to the aqueous system, a compound having the formula I: ##STR1## in which M is hydrogen...
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5132446 |
Fluorine-containing phosphate ester, its preparation and its use for preventing rust
A fluorine-containing phosphate ester of the formula: ##STR1## wherein R f is a group containing a perfluoroalkyl polyether group of the formula: F(CF 2 CF 2 CF 2 O) m CF 2 CF 2 -- wherein...
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5132031 |
Copper dihydrocarbyl dithiophosphyl dithiophosphates, their preparation and their use as additives for lubricants
Novel products of the copper dihydrocarbyl dithiophosphyl dithiophosphate type, their preparation and their use are described. These products can be represented by the general formula: ##STR1## in...
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5127954 |
Corrosion inhibiting systems, products containing residual amounts of such systems, and methods therefor
The corrosion inhibiting systems comprise at least one of the following: sodium fluorophosphate, and a water soluble salt of phosphonic acid derivatives having the general formula R n R 1 N(CH 2 ...
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