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| Number | Title | Issue Date |
| 7988863 | Silane substituted polyalkylene oxide reagents and methods of using for preventing or reducin aluminosilicate scale in industrial processes Materials and methods are provided whereby polymers with least 0.5 mole % of the pendant group or end group containing —Si(OR″)3 are used to control aluminosilicate scaling in an industrial process having an alkaline process stream such as a pulping m... | 08/02/2011 |
| 7708894 | Method of supply amount management of water treating agent To simply and accurately determine the concentration of a water treating agent in thermal equipment upon management of a supply amount of the water treating agent, a method of controlling a supply amount of a water treating agent according to the present invention i... | 05/04/2010 |
| 7674385 | Silane substituted polyethylene oxide reagents and method of using for preventing or reducing aluminosilicate scale in industrial processes Materials and a method are provided whereby polymers with least 0.5 mole % of the pendant group or end group containing —Si(OR″)3 (where R″ is H, an alkyl group, Na, K, or NH4) are used to control aluminosilicate scaling in an industrial ... | 03/09/2010 |
| 7611632 | Method of conditioning mixed liquor using a tannin containing polymer Disclosed is a method of conditioning mixed liquor in a membrane bioreactor (MBR) system comprising adding an effective amount of a tannin containing polymer to the mixed liquor. Also disclosed is a method of improving flux in an MBR system comprising adding an effe... | 11/03/2009 |
| 7563377 | Method for removing iron deposits in a water system A method and composition and system which for the oxidation, clean up, removal and control of iron and iron deposits in water and the removal of iron deposits and bacterial bio-films from surfaces in water systems. The composition contains sodium chlorite, sodium hy... | 07/21/2009 |
| 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 chlorinated hydantoins, such as dichloro- or monochlorodialkylhydantoin, ... | 08/05/2008 |
| 7404902 | Method for treating water A composition for treating water contained in enclosures, such as swimming pools, spas, whirlpool tubs and cooling towers, which includes at least one boron compound, cyanuric acid, at least one mineral remover and at least one clarifier is provided. A composition a... | 07/29/2008 |
| 7390415 | Method and compositions for preventing or reducing aluminosilicate scale in alkaline industrial processes Materials and a method are provided whereby polymers with least 0.5 mole % of the pendant group or end group containing —Si(OR″)3 (where R″ is H, an alkyl group, Na, K, or NH4) are used to control aluminosilicate scaling in an industrial ... | 06/24/2008 |
| 7378477 | Inorganic deposit inhibitors, in particular in oil wells, particularly in high pressure / high temperature conditions The present invention concerns inorganic deposit inhibitors, and particularly of calcium carbonate and barium sulphate in oil wells. It also concerns certain copolymers particularly suitable for this application, particularly in high pressure/high temperature condit... | 05/27/2008 |
| 7341617 | Corrosion and gas hydrate inhibitors having improved water solubility and increased biodegradability The invention provides the use of compounds of the formula (1) where R1, R2 are each independently C1- to C22-alkyl, C2- to C22-alkenyl, C6... | 03/11/2008 |
| 7323609 | Corrosion and gas hydrate inhibitors having improved water solubility and increased biodegradability The invention provides the use of compounds of the formula (1) where R1, R2 are each independently C1- to C22-alkyl, C2- to C22-alken... | 01/29/2008 |
| 7323201 | Highly soluble form of tricalcium citrate, and methods of its making and use We report herein a composition comprising tricalcium citrate, wherein the tricalcium citrate has an X-ray powder diffraction pattern comprising peaks at 2-theta (2θ) values of about 8.236, about 16.02, about 17.97, about 19.75, about 21.42, about 25.74, and about 2... | 01/29/2008 |
| 7316787 | Methods for controlling silica scale in aqueous systems A method of controlling the deposition of silica containing scales and their adhesion to surfaces in contact with an aqueous system is disclosed which comprises adding to the aqueous system about 1-500 ppm of a water-soluble or dispersible hydrophobically modified p... | 01/08/2008 |
| 7285221 | Composition for preventing of slime and method for preventing slime A composition for preventing formation of slime which comprises a chlorine-based oxidizing agent, a sulfamic acid compound, one of an anionic polymer or a phosphonic acid compound and a process for preventing formation of slime which comprises adding the composition... | 10/23/2007 |
| 7276166 | Fiber-fiber composites A fiber-fiber composite is disclosed herein comprising majority fibers and minority fibers, the minority fibers having a softening point lower than said majority fibers such that when the admixture of majority fibers and minority fibers are wet laid to form a paper-... | 10/02/2007 |
| 7277628 | Heater for aircraft potable water tank A heater (10) for installation on a potable water tank (12). The heater (10) comprises a blanket (14) including an electrical resistance heating element (16) and a connection pad (18) for electrically connecting the heating ... | 10/02/2007 |
| 7264678 | Process for cleaning a surface A process is described wherein a surface, for example the exterior surface of a vehicle, is contacted with a cleaning composition capable of rendering the surface treated hydrophilic and then rinsed with purified rinse water. Preferably the process also involves a p... | 09/04/2007 |
| 7252769 | Use of cerium salts to inhibit manganese deposition in water systems Methods to control manganese deposition in an aqueous system, which include introducing a cerium-containing composition, and optionally another deposit control agent, to the aqueous system, are described. Also described, are cerium-containing compositions that promo... | 08/07/2007 |
| 7253138 | Corrosion and gas hydrate inhibitors having improved water solubility and increased biodegradability The invention provides the compounds of the formula (1) where R1 is C1- to C22-alkyl, C2- to C22-alkenyl, C6- to C30-aryl ... | 08/07/2007 |
| 7250448 | Anionic copolymers prepared in an inverse emulsion matrix and their use in preparing cellulosic fiber compositions A papermaking method and a composition which utilize, as a drainage aid, a water-soluble anionic copolymer prepared via a water-in-oil polymerization technique that, absent a cross-linking agent, is characterized by a Huggins' constant (k′) determined in 0.01M NaC... | 07/31/2007 |
| 7238287 | Method for providing safe, clean chlorinated recreational water A solid formulation for use with sodium chloride and a chlorine generator to provide safe, clean chlorinated recreational water. The formulation comprises a chlorine stabilizing agent and a phosphate remover agent. An enhanced salt comprising a chlorine stabilizing ... | 07/03/2007 |
| 7217408 | Solubilisation of carbonates by recycling condensates during digestion of monohydrate bauxites under pressure A method for the production of aluminum from bauxites containing aluminum monohydate of the diaspore or boehmite type which may contain more than 1.5% by weight of calcium carbonates. The ore is digested by producing feeding a suspension produced from milled bauxite... | 05/15/2007 |
| 7214814 | Additives for inhibiting gas hydrate formation The invention provides the use of compounds of the formula (1) where R1, R2 are each independently C1- to C22-alkyl, C2- to C22-alken... | 05/08/2007 |
| 7204937 | Metal oxides dispersant composition This invention relates to metal oxides dispersant compositions comprising (a) certain a metal oxides dispersant, and (b) an oxime. The invention also relates to a process for dispersing metal oxides in an aqueous system that involves adding the dispersant compositio... | 04/17/2007 |
| 7202090 | Hardness measurement reagent To provide a hardness measurement reagent unaffected by an M alkalinity in hardness measurement. A hardness measurement reagent as a one-solution type reagent includes a dye chosen from Eriochrome Black T (EBT) and Calmagite, triethanolamine, a glycol compound, and ... | 04/10/2007 |
| 7186394 | Retarding agents for preparing purified brine The invention relates to a process to produce brine of improved purity wherein a salt source, contaminated with sulphate ions and alkaline (earth) metal ions, is dissolved in water in the presence of an effective amount of a retarding agent comprising at least one l... | 03/06/2007 |
| 7183240 | Additives for inhibiting the formation of gas hydrates The present invention relates to an additive, and its use for inhibiting nucleation, growth and agglomeration of gas hydrates by adding an effective amount of an inhibitor to a multiphasic mixture which tends to hydrate formation and consists of water, gas and optio... | 02/27/2007 |
| 7182872 | Struvite crystallization The present invention provides a method and apparatus for removing phosphorus from phosphorus containing waste. In one embodiment, the method is preferably carried out by contacting the phosphorus containing waste with a non-cellular membrane and precipitating phosp... | 02/27/2007 |
| 7182839 | Preventing deposition of fouling agents onto equipment Methods and compositions effective to prevent deposition of fouling agents, preferably polymerization precursors, on handling equipment, particularly during solvent recovery. ... | 02/27/2007 |
| 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, alkaline earth metals, or mixtures thereof, to minimize corrosion of the ... | 02/20/2007 |
| 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 treatment product including at least one fluorescent polymer and a fluoresce... | 02/20/2007 |
| 7160507 | Corrosion inhibitors with improved water solubility and improved film persistence The invention relates to an additive and to a method of corrosion inhibition on devices for the recovery and transportation of hydrocarbons in crude oil recovery and processing by adding an effective amount of an inhibitor. The inhibitor comprises an alkoxylated qua... | 01/09/2007 |
| 7157008 | Apparatus and process for water conditioning A conditioning process and equipment are provided for removing hardness from water circulated in a system, such as an evaporative cooling system. A sidestream from such system is routed to a reaction chamber and back to the system. A conditioner is added to the side... | 01/02/2007 |
| 7147799 | Methods of using an oxygen scavenger An oxygen scavenging packet containing an iron-based oxygen scavenger and an electrolyte is set forth in which the rate of uptake of oxygen is increased by virtue of the introduction into the packet of an oxygen uptake accelerator containing water. Methods of increa... | 12/12/2006 |
| 7144509 | Process and apparatus for waste water treatment Method and apparatus for treating contaminants in water under anaerobic conditions is disclosed. The method includes adding to contaminated water a composition including an aqueous mixture of at least one carbohydrate and at least one alcohol and/or bacteriastat. Th... | 12/05/2006 |
| 7141174 | Modified amine for boiler water treatment The present invention provides a method of treating boiler and condensate water by the addition of an effective amount of a hydroxyamine-acid ester treatment reagent or an all-in-one treatment composition comprising a hydroxyamine-acid ester. Modification of a hydro... | 11/28/2006 |
| 7135126 | Deicing formulation having improved stickiness A deicing formulation which exhibits improved viscosity and stickiness for application to surfaces which includes at least one of BCS, DCS, CSSL or a low molecular weight carbohydrate fraction with a chloride salt, and an effective amount of a lignosulfonate to prov... | 11/14/2006 |
| 7125830 | Coolant treatment formulation A chemical formulation for treating coolant deficiencies, such as corrosion, scale, and low thermal transfer, and treating the root of most of the problems, which is water composition, and providing for preventative measures that further protect the systems that uti... | 10/24/2006 |
| 7115201 | Method of treating mine drainage A method of treating mine drainage water including the step of adding a scale control agent to the mine drainage water and, optionally, adding an oxidizing agent to the mine drainage water and/or precipitating and settling the metals in their hydroxide form from the... | 10/03/2006 |
| 7108970 | Rapid identification of conditions, compounds, or compositions that inhibit, prevent, induce, modify, or reverse transitions of physical state The invention concerns arrays comprising hundreds, thousands, to hundreds of thousands of samples and methods for screening thereof. These methods are useful to optimize, select, and discover compounds, compositions, or conditions that prevent, inhibit, induce, modi... | 09/19/2006 |
