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Document Title |
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8105988 |
Corrosion inhibitors for a fluid
One or more methods for inhibiting corrosion in a fluid that contain a composition with a specified generic formula are disclosed. The fluid can be contained in an oil or gas pipeline or refinery.
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8105987 |
Corrosion inhibitors for an aqueous medium
One or more methods for inhibiting corrosion in an aqueous medium that contain a composition with a specified generic formula are disclosed. The aqueous medium can be contained in an oil or gas...
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8025840 |
Compositions and methods for inhibiting corrosion in aqueous media
Methods and compositions are provided for corrosion inhibition treatment of aqueous systems such as cooling water systems. The methods include conjoint use of a polyvalent metal ion, such as Al or...
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8021607 |
Methods for inhibiting corrosion in aqueous media
Methods are provided to inhibit corrosion of metals in contact with aqueous systems such as cooling water systems. In accordance with the methods, a hydroxyacid compound and orthophosphates are...
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7989403 |
Corrosion inhibitors containing amide surfactants for a fluid
A method of inhibiting corrosion in a fluid is disclosed. The method comprises: adding to the fluid an effective corrosion inhibiting amount of a synergist, a synergist when H2S is present in the...
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7955553 |
Cooling water corrosion inhibition method
A method of providing corrosion inhibition to copper, nickel, aluminum, zinc, tin, lead, beryllium, carbon steel, various alloys of such metals, and galvanized coatings in evaporative cooling water...
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7914752 |
On-board control for analytical elements
The invention concerns a reagent system for the so-called on-board control of analytical elements, in particular test strips, containing an organic N-oxide or a nitroso compound. The invention also...
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7910024 |
Corrosion inhibition compositions and methods for using the same
Compositions and methods are described for inhibiting corrosion of corrodible metals present in contact with water in cooling water and other water storage systems. The compositions include...
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7910057 |
Process for treating animal habitats
This invention deals with a process for treating and sanitizing animal habitats. In addition to sanitizing the habitat the production of ammonia and odor from fecal matter and urine is inhibited or...
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7837931 |
Method of using solubilized transition metal oxides in well operations
A corrosion inhibitor package containing an acetylenic amine or acetylenic alcohol enables a sulfur-free method for protecting metal tubulars and equipment. The package has particular applicability...
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7744775 |
Heat transfer fluid compositions for cooling systems containing magnesium or magnesium alloys
In one embodiment, a corrosion inhibiting composition is formed by combining: (a) an inorganic phosphate; (b) a water soluble polyelectrolyte polymer dispersant; (c) a tri or tetracarboxylic acid;...
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7666312 |
Method of inhibiting corrosion in industrial hot water systems by monitoring and controlling oxidant/reductant feed through a nonlinear control algorithm
This invention provides a method of preventing corrosion in industrial water systems. The method includes maintaining a real-time oxidation-reduction potential at a set point, wherein the system is...
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7632458 |
Corrosion inhibitor treatment for closed loop systems
The present invention provides an effective method of inhibiting corrosion on metallic surfaces in contact with a fluid contained in a closed loop industrial fluid system, which comprises adding to...
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7407590 |
Method for removal of biofilm
The present invention provides a method for the removal of biofilm, flocculent bulked sludge or bulked biologically active sludge from an aqueous system. The method involves adding one or more...
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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...
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7208117 |
Automated process for inhibiting corrosion in an inactive boiler containing an aqueous system
This invention relates to an automated process to inhibit corrosion of the metal surface of an inactive boiler containing water.
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7205438 |
Solvent recovery blends from diene production
A diene production stream comprising a solvent recovery blend from diene production comprising one or more fouling agent, one or more extractive distillation solvent, and from about 1 ppm to about...
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7179384 |
Control of cooling water system using rate of consumption of fluorescent polymer
A method to control a cooling water system based on the rate of consumption of fluorescent polymer is described and claimed. The method includes providing a cooling water system and a water...
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7112284 |
Oxygen scavenger and the method for oxygen reduction treatment
Oxygen scavenger which can exhibit excellent oxygen reduction effect in a wide variety of conditions is provided as an alternative volatile oxygen scavenger to hydrazine. The oxygen scavenger...
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6982062 |
Corrosion inhibiting composition
This invention relates to a corrosion inhibiting composition comprising (a) an aliphatic amine, (b) an azole selected from the group consisting of (1) tolyltriazole, (2) benzotriazole, and (3)...
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6797177 |
Process for inhibiting scale and fouling on the metal surfaces exposed to an aqeuous system
This invention relates to a process for inhibiting scale and fouling on metal surfaces exposed to an aqueous system, particularly a circulating aqueous system. The process comprises adding glutamic...
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6585933 |
Method and composition for inhibiting corrosion in aqueous systems
A method and composition for controlling corrosion of metals, particularly ferrous-based metals in contact with aqueous systems is disclosed, which includes treating industrial waters with a...
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6572788 |
Amine oxide wood preservatives
The present inventors have discovered that amine oxides are highly effective as wood preservatives. The present invention provides a wood preservative composition comprising a biocidally effective...
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6551553 |
Disinfection method
A process is provided for disinfecting articles at temperatures below 5° C. with an aqueous alcoholic salt solution. The process provides a fast reduction of microorganisms at low temperatures ...
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6548016 |
Oil soluble hydrogen permeation inhibitor
The present invention provides a composition and method for inhibiting hydrogen permeation in metal refinery equipment comprising incorporating into a product stream handled by said equipment a...
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6503448 |
Process for retarding the formation of corrosion on metal surfaces
The invention relates to a process for retarding the formation of corrosion and/or removing existing corrosion deposits on a metal surface where the metal is in contact with air. The process...
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6475431 |
Corrosion inhibitors with low environmental toxicity
A low toxic, biodegradable, water soluble and dispersant series of corrosion inhibitors are described. The method of inhibiting corrosion in aqueous medium by incorporating the inhibitor in PPM is...
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6468470 |
Galvanized metal corrosion inhibitor
A white rust inhibiting composition and method of inhibiting white rust for evaporative water coolers are disclosed. The composition includes, in combination, a blend of one or more...
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6461518 |
Method for inhibiting the formation and deposition of silica scale in water systems
This invention relates to a method for inhibiting the formation and deposition of silica scale in water systems. The method includes treating the water in such water systems with an effective...
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6458320 |
Galvanized metal corrosion inhibitor
This invention relates to a galvanized metal, typically steel, corrosion inhibitor concentrate comprising (a) an amine salt of a fatty acid or an amine salt of a derivative of a fatty acid, (b)...
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6419850 |
System and composition for decontaminating fluids
An apparatus and composition of matter for treating tap or distilled water prior to use in irrigation during surgical and medical operations.
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6395189 |
Method for the control of biofilms
A process is provided for both removing and controlling biofilms present in industrial cooling and process waters. The process provides a composition which includes the reaction products of an...
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6395225 |
Sulphydryl acid and imidazoline salts as inhibitors of carbon corrosion of iron and ferrous metals
The invention concerns inhibitor compositions based on fatty sulphydryl acid and poly(ethyleneamino)imidazoline salts for considerably reducing the corrosive effect of carbon brine on iron and...
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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...
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6358746 |
Fluorescent compounds for use in industrial water systems
Fluorescent compounds of the formula: wherein R1 and R2 are either both SO3M, or one of R1 and R2 is SO3M and the other is COOM, where M is selected from the group consisting of H, Na, K, Rb, Cs,...
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6338819 |
Combinations of imidazolines and wetting agents as environmentally acceptable corrosion inhibitors
A method and corrosion inhibitor for inhibiting corrosion of metal equipment in an aqueous medium comprising components selected from the group consisting of Skeletonema costatum, fish, other...
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6337047 |
Process for dispersing iron oxide in steam generating boilers
This invention relates to a process for dispersing corrosion products, specifically iron oxide, in steam generating boilers. Improved dispersion is achieved by adding a dispersant to a feedpoint of...
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6299836 |
Gas treating solution corrosion inhibitor
Corrosion in aqueous alkanolamine, physical solvents, or combination of alkanolamine and physical solvent solutions used to remove acid gases from natural gas, synthetic gas, or light hydrocarbon...
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6261346 |
Method for protecting metal surfaces against corrosion in liquid or gaseous media
A process useful for protecting metal surfaces against corrosion in is presented involving: (a) forming a corrosion inhibitor having a compound corresponding to formula (I): ##STR1## where R1, R2...
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6238621 |
Corrosion inhibiting compositions
There are disclosed corrosion inhibiting compositions comprising (a) at least one amido acid or salt thereof and (b) at least one of an aryltriazole or 3-amino-1,2,4-triazole wherein the molar...
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6200499 |
Compositions for corrosion inhibition of ferrous metals
Compositions comprising certain amino acids such as aspartic acid, when fully ionized at alkaline pH, function effectively as corrosion inhibitors for ferrous metals in the presence of an aqueous...
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6187262 |
Inhibition of corrosion in aqueous systems
A method for controlling corrosion of metals, particularly ferrous-based metals in contact with aqueous systems is disclosed, which includes treating industrial waters with a tetrazolium salt of...
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6180057 |
Corrosion inhibiting compositions and methods
Corrosion inhibiting compositions and methods for inhibiting the corrosion of metal surfaces by corrosive aqueous fluids are provided. In accordance with the invention, a corrosion inhibiting...
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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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6153106 |
Method for inhibiting the formation and deposition of silica scale in water systems
The present invention relates to a method for inhibiting the formation and deposition of silica scale in water systems. The method includes treating the water in such water systems with an...
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6149822 |
Bio-film control
A process is provided for both removing and controlling biofilms present in industrial cooling and process waters. The process provides a composition which includes the reaction products of an...
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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...
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6063334 |
Sulfur based corrosion inhibitor
The present disclosure is concerned with inhibiting corrosion in metal, usually steel, equipment which is exposed to oil field production flow including gases, oil, water, and sand. It is injected...
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6045719 |
Use of quaternized imidazoles as corrosion inhibitors for non-ferrous metals, and coolant compositions and antifreeze concentrates comprising them
Quaternized imidazoles I ##STR1## in which R1 and R3 independently of one another are saturated or unsaturated hydrocarbon radicals of 1-12 carbon atoms which can be substituted by...
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6022401 |
Biodegradable modified polyaspartic polymers for corrosion and scale control
Several copolymers of aspartic acid and another monomer provide effective mild steel corrosion inhibitors and scale formation inhibitors under oil field conditions. The copolymers are polymers of...
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