| Patents for C23F 14 - Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes (579) |
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| 01/07/2003 | US6503400 An anti-calcium phosphate-scaling agent consists of polyaspartic acid, and an anionic carboxylic acid polymer, solution is free of phosphonate oligomer |
| 01/03/2003 | WO2003000464A2 Improved scale conditioning agents |
| 12/26/2002 | US20020196891 Scale conditioning agents |
| 12/05/2002 | US20020179263 Covering interior of vessel overcoating screen; supplying cleaning compound |
| 11/13/2002 | EP1255879A1 Method and composition for the prevention of high temperature corrosion due to alkali sulfates and alkali chlorides |
| 10/31/2002 | US20020157607 Method for feeding corrosion inhibitor |
| 10/24/2002 | WO2002083578A2 Process and apparatus for the removal of scale build-up |
| 10/24/2002 | CA2444853A1 Process and system for the removal of scale build-up |
| 10/17/2002 | WO2001061072A9 Method and composition for the prevention of high temperature corrosion due to alkali sulfates and alkali chlorides |
| 10/15/2002 | US6464900 Scale corrosion inhibiting composition |
| 10/02/2002 | CN1371868A Method for preparing antiseptic agent |
| 08/27/2002 | CA2373324A1 Method for feeding corrosion inhibitor |
| 08/22/2002 | US20020115799 Phosphate stabilizing compositions |
| 08/21/2002 | CN1089377C Descaling method and device for solar energy vacuum heat-collecting tube |
| 08/01/2002 | US20020100896 For adding to boiler feed water; useful in inhibiting the corrosion in a boiler system by removing dissolved oxygen |
| 07/17/2002 | CN1359430A Inhibition of corrosion in aqueous systems |
| 06/20/2002 | WO2002048049A1 Phosphate stabilizing compositions |
| 05/15/2002 | CN1349074A Electric water heating boiler with fast water feeding and less scaling |
| 05/10/2002 | WO2002036503A1 Multifunctional water-treating composition and method of water-treating using the same |
| 04/17/2002 | EP1152986A4 Scale and/or corrosion inhibiting composition |
| 03/20/2002 | CN1081247C Process for dissolving deposited calcium carbonate |
| 03/07/2002 | WO2001092871A3 Inhibitor function check method and apparatus |
| 03/06/2002 | CN1339015A Scale and/or corrosion inhibiting composition |
| 02/06/2002 | EP1177331A1 Method and composition for inhibiting corrosion in aqueous systems |
| 01/31/2002 | WO2002008127A1 Treatment of iron sulphide deposits |
| 01/16/2002 | CN1331051A Corrosion-retarding compound scaling inhibitor for treating middle- or high-hardness circulating water |
| 01/16/2002 | CN1331050A Corrosion-retarding compound scaling inhibitor for treating circulating low-hardness water |
| 01/02/2002 | EP1165450A1 Rust and scale removal composition and process |
| 12/11/2001 | US6328911 Introducing an additive compound which includes tungsten, nibium, tantalum or mixtures in flame reaction, which additive forms a noncorrosive product with alkali metal which is more chemically stable than sulfates of alkali metal; depositing |
| 12/06/2001 | WO2001092871A2 Inhibitor function check method and apparatus |
| 12/06/2001 | CA2411258A1 Inhibitor function check method and apparatus |
| 11/14/2001 | EP1153160A1 Cleaner composition and method of use thereof |
| 11/14/2001 | EP1152986A1 Scale and/or corrosion inhibiting composition |
| 11/07/2001 | EP1150923A1 Method for removing deposits from water transmission systems and devices for supplying water |
| 11/01/2001 | WO2001081654A1 Fluorescent monomers and tagged treatment polymers containing same for use in industrial water systems |
| 10/30/2001 | US6310024 Rust and scale removal composition and process |
| 10/02/2001 | CA2061040C Compatible corrosion inhibitor combinations |
| 09/12/2001 | CN1312865A Inhibition of corrosino in aqueous systems |
| 08/23/2001 | WO2001061072A1 Method and composition for the prevention of high temperature corrosion due to alkali sulfates and alkali chlorides |
| 07/18/2001 | EP1115907A1 Inhibition of corrosion in aqueous systems |
| 06/14/2001 | WO2001042148A1 Method for removing deposits from water transmission systems and devices for supplying water |
| 05/01/2001 | US6225430 Sulfobetaine-containing polymers and their utility as calcium carbonate scale inhibitors |
| 03/27/2001 | US6207079 Comprising polyaspartic acid, water soluble phosphonated oligomer; non-toxic, contain no heavy metals, and have little or no phosphorus |
| 02/13/2001 | US6187262 Inhibition of corrosion in aqueous systems |
| 12/19/2000 | US6162391 Preventing the adherence of various scales generated in water systems, such as cooling water systems, boiler water systems by adding a polymer formed from atleast 50% of n-vinyl formamide or n-vinyl acetamide units and a phosphorus compound |
| 12/12/2000 | CA2029073C Scale control in aqueous systems |
| 11/09/2000 | WO2000066810A1 Method and composition for inhibiting corrosion in aqueous systems |
| 11/09/2000 | CA2369954A1 Method and composition for inhibiting corrosion in aqueous systems |
| 10/05/2000 | WO2000058228A1 Rust and scale removal composition and process |
| 09/27/2000 | CN1056825C Anti-scaling method for reboiler of cyclohexane distillation tower in cyclohexane oxidation apparatus |
| 08/10/2000 | WO2000046423A1 Cleaner composition and method of use thereof |
| 08/10/2000 | DE10003515A1 Vor Kesselstein und/oder Korrosion schützende Zusammensetzung Scale inhibitors and / or corrosion inhibiting composition |
| 08/10/2000 | CA2361606A1 Cleaner composition and method of use thereof |
| 08/03/2000 | WO2000044677A1 Scale and/or corrosion inhibiting composition |
| 08/03/2000 | DE19902165A1 Electric heater element, e.g. of a washing machine, coffee-making machine or water heater, is coated with a non-stick sealing coating to prevent scale deposition and fretting corrosion |
| 06/21/2000 | CN1257137A Descaling method and device for solar-energy vacuum heat-collecting tube |
| 06/06/2000 | US6071434 Phosphino derivatives |
| 03/08/2000 | CN1246548A Process for removing deposited calcium carbonate |
| 03/02/2000 | WO2000011239A1 Inhibition of corrosion in aqueous systems |
| 03/02/2000 | CA2339982A1 Inhibition of corrosion in aqueous systems |
| 03/01/2000 | CN1245836A Strong cleaner |
| 02/09/2000 | CN1049203C Solid composite containing sulfuric acid and its application |
| 01/25/2000 | US6017399 Exposing steam phase having one or more volatile amines to the surface of component laden with solid deposit which has an acidic site and a basic site to absorp inorganic cation and anion and selective sorption of volatile amines |
| 11/24/1999 | EP0784599A4 Corrosion inhibiting compositions for aqueous systems |
| 11/16/1999 | US5985152 Method of preventing corrosion in a water system |
| 09/08/1999 | EP0940108A1 Procedure for preventing scale building on a stainless steel heating surface |
| 07/14/1999 | EP0928778A2 Agent for treating boiler water |
| 04/06/1999 | CA2092499C Composition and method for scavenging oxygen |
| 03/10/1999 | CN1042446C Composition and method for scavenging oxyen |
| 03/02/1999 | US5876623 Biodegradable aspartic acid polymers for preventing scale formation in boilers |
| 01/12/1999 | US5858244 Use of biodegradable polymers in prevention scale build-up |
| 11/25/1998 | EP0879794A1 Scale inhibiting agent and method for using same |
| 11/04/1998 | EP0594806B1 Composition and method for scavenging oxygen |
| 09/02/1998 | EP0861846A2 Novel phosphino derivatives |
| 08/12/1998 | EP0857514A2 Method of preventing corrosion in a water system |
| 08/04/1998 | US5788866 Prevent precipitation of scale on metal surfaces |
| 07/22/1998 | CN1039233C Method for preventing and reducing scale on reactor in polymeric process of vinyl chloride |
| 07/14/1998 | US5779814 Method for controlling and removing solid deposits from a surface of a component of a steam generating system |
| 07/07/1998 | US5776875 Use of biodegradable polymers in preventing scale build-up |
| 04/29/1998 | CN2280105Y Electronic device for scale-removing and scale-prevention |
| 04/21/1998 | CA2057822C Water treatment agent |
| 04/01/1998 | EP0832854A1 Sulfobetaine-containing polymers and their utility as calcium carbonate scale inhibitors |
| 03/25/1998 | EP0831066A1 Biodegradable Aspartic acid polymers for preventing scale formation in boilers |
| 03/20/1998 | CA2210329A1 Biodegradable aspartic acid polymers for preventing scale formation in boilers |
| 03/19/1998 | CA2202946A1 Sulfobetaine-containing polymers and their utility as calcium carbonate scale inhibitors |
| 01/21/1998 | EP0819653A2 Use of biodegradable polymers in preventing scale build-up |
| 01/16/1998 | CA2210355A1 Use of biodegradable polymers in preventing scale build up |
| 11/11/1997 | CA1339536C Telomeric compound |
| 09/30/1997 | CA2091563C Oxygen removal with keto-gluconates |
| 07/30/1997 | CN1155534A Anti-scaling method for reboiler of distillation tower of cyclohexane oxidation apparatus |
| 07/23/1997 | EP0784599A1 Corrosion inhibiting compositions for aqueous systems |
| 04/07/1997 | CA2187121A1 Aqueous system containing a synergistic phosphonate scale control combination |
| 02/18/1997 | US5604291 Telomers |
| 02/18/1997 | US5603862 Liquid composition containing anticorrosion effective amount of metabisulfite, stabilizing amount of succinic or adipic acid or sodium, potassium or ammonium salts thereof |
| 02/05/1997 | CN1033984C Cyclic cleaning method for calcareous scale of vaporizing pot of sugar-processing plant |
| 11/26/1996 | US5578246 Corrosion inhibiting compositions for aqueous systems |
| 08/20/1996 | CA1338534C Method and system for variable frequency electromagnetic water treatment |
| 06/11/1996 | US5525257 Composition for water treatment containing polyaspartic acidora derivative thereof and a polcarboxylic acid and methods of using the composition |
| 04/11/1996 | WO1996010543A1 Corrosion inhibiting compositions for aqueous systems |
| 04/11/1996 | CA2201510A1 Corrosion inhibiting compositions for aqueous systems |