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7585460 Method for inhibiting the biological acidification of water in contact with materials containing sulfur  
The invention relates to a method for inhibiting the biological acidification of water which is in contact with materials containing sulfur in reduced form or with elemental sulfur, susceptible to...
7524434 Controlled release cooling additive composition  
Methods of treating aqueous coolants in open circulating water cooling tower systems are provided. The methods including placing a controlled release additive composition in contact with an open...
7449101 Method of reducing corrosion of metal material  
In a method of reducing corrosion of a metal material, a substance such as semiconductor for generating an electric current by thermal excitation is coated or adhered on a metal material surface,...
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...
7399366 Product and processes for preventing the occurrence of rust stains resulting from irrigation systems using water containing iron ions and for cleaning off rust stains resulting from using said irrigation systems  
Several products and processes for preventing the occurrence of rust stains resulting from irrigation systems using water having iron ions, such as well water, and for cleaning off rust stains...
7273558 Method and device for reducing scale formation and/or corrosion in systems which conduct liquids  
The invention relates to a method and a device for reducing scale formation and/or corrosion in systems which conduct liquids or are in contact with liquids. According to the invention, this is...
7264770 Mitigation of stress corrosion cracking of structural materials exposed to a high temperature water  
A method for mitigating stress corrosion cracking of a component exposed to a high temperature water in a high temperature water system is provided. The method comprises the steps of lowering...
7220382 Use of disulfonated anthracenes as inert fluorescent tracers  
The use of an isomer of anthracene disulfonic acid as an inert fluorescent tracer is described and claimed. The utility of this type of inert fluorescent tracer in boiler systems to trace unwanted...
7179308 Ethylenically-unsaturated blue anthraquinone dyes  
This invention pertains to certain novel colorant compounds containing one or more ethylenically-unsaturated, photopolymerizable radicals that may be copolymerized (or cured) with...
7144549 Biocide impregnation of coatings for ESP components  
An electric submersible pump has one or more components coated with a biocide-incorporated coating for the purpose of controlling the activity of bacteria. The portions exposed to well fluid are...
7122148 Cooling water scale and corrosion inhibition  
A methods of the present invention for inhibiting silica scale formation and corrosion in aqueous systems where soluble silica residuals (SiO 2 ) are maintained in excess of 200 mg/L, and source...
6998092 Cooling water scale and corrosion inhibition  
A methods for inhibiting silica scale formation and corrosion in aqueous systems where soluble silica (SiO 2 ) can be maintained at residuals below 200 mg/L, but more preferably maintained at...
6986817 Method of automatic cleaning of cooking cavities  
A method of automatic cleaning of cooking cavities of cooking equipment for food processing includes the introduction of steam at a temperature of at least 100.deg. C. from a supply line and nozzle...
6811747 Corrosion inhibitor  
The present invention relates to water treatment chemical formulations, and more particularly to chemical formulations used to treat water containing halogens as a sanitizing agent. The water...
6793883 Application of catalytic nanoparticles to high temperature water systems to reduce stress corrosion cracking  
A method and system for reducing stress corrosion cracking in a hot water system, such as a nuclear reactor, by reducing the electrochemical corrosion potential of components exposed to high...
6723257 Corrosion inhibiting composition  
This invention relates to a corrosion inhibiting composition for use in commercial, institutional, and industrial water systems. The compositions comprise a mixture of (1) a fatty acid ester, and...
6724854 Process to mitigate stress corrosion cracking of structural materials in high temperature water  
A method for mitigating stress corrosion cracking in high temperature water includes introducing catalytic nanoparticles and dielectric nanoparticles to the high temperature water in an amount...
6680001 Protective composition for pressure washer and applicator  
A composition for lubricating, preventing mineral deposit buildup, and expelling any standing water from the internal parts of a pressure washer, as well as a pressurized container for applying...
6669904 Stabilized bromine solutions, method of making and uses thereof for biofouling control  
Stabilized bromine solutions are prepared by combining a bromine source and a stabilizer to form a mixture, and then adding an oxidizer to the mixture.
6596175 Method for treating stator cooling water to prevent clogging of strainer in the cooling system of an industrial electrical generator  
A method is disclosed to dissolve cupric oxide (CuO) deposits on a strainer in a stator water cooling system (SWCS) of an industrial electrical power generator. The method injects carbon dioxide...
6556642 Inhibition method of the secondary side stress corrosion cracking in nuclear steam generator tubes  
The present invention relates to a method for inhibiting stress corrosion cracking occurring on steam generator tubes in the secondary side of nuclear power plants and an inhibitor therefor. The...
6485649 Method and device for the production of pure water  
Input water is preheated in a heat exchanger ( 2 ), pumped ( 4 ) through another heat exchanger ( 5 ) into a heating unit ( 6 ). The heating unit heats the water to a temperature of above 100° C.,...
6464901 Halogen resistant copper corrosion inhibitors  
Non-halogen substituted, nitrogen containing, aromatic compounds are disclosed which are effective copper corrosion inhibitors in aqueous systems being treated with a halogen biocide. The materials...
6419879 Composition and method for controlling biological growth using stabilized sodium hypobromite in synergistic combinations  
A synergistic composition and method for controlling biological growth in industrial fluids are disclosed, wherein the composition comprises stabilized sodium hypobromite and at least one compound...
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...
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...
6391256 Dissolved oxygen removal method using activated carbon fiber and apparatus thereof  
A dissolved oxygen removal method using an activated carbon fiber catalyst thereof which includes the steps of a reducing agent injection step for injecting a reducing agent into the water, a...
6368552 Water treating agent and water treating method  
A water treating agent which has a high safety and is to be used for preventing corrosion and scale formation in the feed water lines and steam generation system and for preventing corrosion in the...
6315909 Use of control matrix for cooling water systems control  
Described and claimed is a method of controlling a cooling water system in which control is based on information from a control Matrix applicable to the specific operating parameters of the cooling...
6312644 Fluorescent monomers and polymers containing same for use in industrial water systems  
Fluorescent monomers of the formula ##STR1## wherein M is selected from the group consisting of hydrogen, sodium, potassium, cesium, rubidium, lithium and ammonium, and n is selected from the...
6309597 Method for reducing hydrogen sulfide level in water containing sulfate-reducing bacteria and hydrogen sulfide-metabolizing bacteria  
A method for reducing the level of hydrogen sulfide in water containing sulfur-reducing bacteria and hydrogen sulfide-metabolizing bacteria by addition of an aqueous solution of metallic nitrogen...
6303078 Antifouling structure having effect of preventing attachment of aquatic organisms thereto  
A structure comprises, as the major component, a molded member of a thermoplastic resin composition or a fibrous material which may be a fiber of the thermoplastic resin composition, a yarn coated...
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...
6136205 Process to manufacture stabilized alkali or alkaline earth metal hypobromite and uses thereof in water treatment to control microbial fouling  
The invention is a method for preparing a stabilized aqueous alkali or alkaline earth metal hypobromite solution. The method comprises the steps of: a. Mixing an aqueous solution of alkali or...
6106771 System and method for descaling and disinfecting dental waterlines  
A portable system and method for softening and disinfecting dental waterlines is disclosed. The portable system and method combines a routing valve, a water supply, and a portable device capable of...
6027687 Method for preventing corrosion using a sulfite-based oxygen scavenger, and composition therefor  
The invention effectively prevents occurrence of corrosion in water tubes or the like of boilers. The invention provides a method for operating a boiler, including regulating a concentration of...
5993737 Stabilization of water  
The invention provides for the treatment of raw water having a pH of 2.5 to 9, an alkalinity of at most 50 mg/l expressed as calcium carbonate, a calcium content of at most 100 mg/l expressed as...
5985152 Method of preventing corrosion in a water system  
Ca ion is removed by a cation exchange resin and silica and corrosive ions are removed by an anion exchange resin. Even after the anion exchange resin reaches the silica break through point or...
5968408 Methods of inhibiting corrosion using isomers of chloro-methylbenzotriazole  
The use of halo-benzotriazoles as corrosion inhibitors in aqueous systems is disclosed. Specific isomers of chloro-methylbenzotriazole were found to be more effective corrosion inhibitors than...
5932171 Sterilization apparatus utilizing catholyte and anolyte solutions produced by electrolysis of water  
An apparatus (A) for sterilizing medical instruments and other articles includes a tray (12) with an article receiving area (14). An article to be microbially decontaminated is positioned in the...
5879623 Methods and compositions for controlling biofouling using fluorosurfactants  
The present invention relates to a method to inhibit bacteria from adhering to a submergible surface. The method contacts the submergible surface with an effective amount of at least one...
5874026 Method of forming corrosion inhibiting films with hydrogenated benzotriazole derivatives  
A method of use of a composition including either or both isomers of hydrogenated methylbenzotriazole, namely, 5-Methyl-1H-Benzotriazole or 4-Methyl-1H-Benzotriazole which have been at least about...
5858798 Method and apparatus for detecting amines and ammonia by fluorescence  
Primary amines, ammonia, or mixtures thereof can be detected using a reagent comprising from about 650 ppm to about 25 percent by weight of phthalic dicarboxyaldehyde; from about 74 to about 99.88...
5849220 Corrosion inhibitor  
A corrosion inhibiting composition for use in inhibiting corrosion of metallic surfaces, the composition comprising a first surfactant wherein the first surfactant includes at least one sorbitan...
5793830 Metal alloy coating for mitigation of stress corrosion cracking of metal components in high-temperature water  
A method for mitigating crack initiation and propagation on the surface of metal components in a water-cooled nuclear reactor. A metal coating having an electrically insulating outer layer is...
5773096 Method of catalyst preparation by high-temperature hydrothermal incorporation of noble metals onto surfaces and matrices  
A method of depositing noble metals on surfaces or matrices to manufacture industrial catalysts that can be used in a variety of applications. Such deposition of noble metals can be achieved by...
5774516 Modification of oxide film electrical conductivity to maintain low corrosion potential in high-temperature water  
A method for mitigating general corrosion and crack initiation and growth on the surface of a metal components in a water-cooled nuclear reactor. A compound containing a non-noble metal such as...
5768330 Co-deposition of palladium during oxide film growth in high-temperature water to mitigate stress corrosion cracking  
A method for improving the performance and longevity of coatings of metal deposited from aqueous solutions of inorganic, organic or oraganometallic metal compounds. The method involves...
5753180 Method for inhibiting microbially influenced corrosion  
A non-biocidal method for inhibiting microbially influenced corrosion of susceptible metal surfaces having an anaerobic biofilm containing active sulfate-reducing bacteria comprising contacting the...
5736097 Method of preventing pitting corrosion  
Hydrogen peroxide or a hydrogen peroxide producing agent is added to a water system having copper or copper alloy such as a thermal storage water system or a closed water system whereby the...
Matches 1 - 50 out of 178 1 2 3 4 >