| Patents for C02F 5 - Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents (8,632) |
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| 09/06/1995 | EP0669958A1 Mixtures of polymers of monoethylenically unsaturated dicarboxylic acids and polymers of ethylenically unsaturated monocarboxylic acids and/or polyaminocarboxylic acids, and the use of such mixtures |
| 09/06/1995 | EP0669898A1 Method for removing at least one constituent from a solution |
| 09/05/1995 | CA1336925C Process and facilities for protecting water ducts against corrosion |
| 08/30/1995 | CN1029608C Magnetic anti-scale descaling device |
| 08/29/1995 | US5445758 Copolymers of ethylenically unsaturated and polyethylene-glycol monomethacrylate monomeric repeat units useful as scale control agents in boiler systems |
| 08/29/1995 | US5445743 Methacrylate polymers as antifoulants in quench water systems |
| 08/26/1995 | CA2141487A1 High calcium tolerant deposit control method and composition |
| 08/17/1995 | CA2495360A1 Copolymers of polyaspartic acid and polycarboxylic acids and polyamines |
| 08/17/1995 | CA2183068A1 Copolymers of polyaspartic acid and polycarboxylic acids and polyamines |
| 08/16/1995 | EP0666835A1 Copolymers of polyamino acids as scale inhibition agents |
| 08/15/1995 | US5441713 Hardness suppression in urea solutions |
| 08/10/1995 | WO1995021232A1 Limescale removing compositions |
| 08/10/1995 | WO1995021231A1 Acidic cleaning compositions |
| 08/10/1995 | WO1995021230A1 Maleic acid-based aqueous cleaning compositions and methods of using same |
| 08/10/1995 | WO1995021229A1 Acidic cleaning compositions |
| 08/09/1995 | EP0666306A1 Acidic cleaning compositions |
| 08/09/1995 | EP0666305A1 Acidic cleaning compositions |
| 08/09/1995 | EP0666304A1 Acidic cleaning compositions |
| 08/09/1995 | EP0666303A1 Limescale removing compositions |
| 08/09/1995 | EP0651726A4 BOILER OPERATION WITH DECREASED NO x? AND WASTE WATER DISCHARGE. |
| 08/09/1995 | EP0594806A4 Composition and method for scavenging oxygen. |
| 08/09/1995 | EP0525166B1 Composition and methods for removing or preventing biofilm |
| 08/09/1995 | CN1106364A Lime softening water treatment method and its filtering equipment |
| 08/08/1995 | US5439611 Aqueous system also containing organic sulfonamide |
| 08/08/1995 | CA1336565C Method for stabilizing aqueous systems |
| 08/03/1995 | WO1995020617A1 Polyaspartic acid having more than 50 % beta form and less than 50 % alpha form |
| 08/03/1995 | CA2181889A1 Polyaspartic acid having more than 50 % beta form and less than 50 % alpha form |
| 08/01/1995 | US5437712 Using a water soluble polymer |
| 07/26/1995 | CN1105700A High-effective multifunctional descaling agent |
| 07/25/1995 | US5435894 Treating with electric voltage, improved taste for drinking water, deceasing oxidation-reduction potential |
| 07/20/1995 | WO1995019323A1 Method for the supercritical water oxidation of organic compounds |
| 07/20/1995 | CA2179647A1 Method for the supercritical water oxidation of organic compounds |
| 07/19/1995 | EP0663510A2 Sulfate scale dissolution |
| 07/19/1995 | EP0662931A1 Removal of magnetite deposits in water-supply systems |
| 07/18/1995 | US5433886 Stabilization of polyether polyamino methylene phosphonate scale inhibitors against degradation by bromine and chlorine biocides |
| 07/04/1995 | US5430114 Water-soluble addition polymers of cyclohexene anhydrides |
| 06/29/1995 | WO1995017444A1 Graft copolymers of unsaturated monomers and polyhydroxy compounds, process for producing them and their use |
| 06/29/1995 | DE4404064C1 Inhibiting formation of calcium carbonate in drainage systems |
| 06/29/1995 | CA2179777A1 Graft copolymers of unsaturated monomers and polyhydroxy compounds, process for producing them and their use |
| 06/27/1995 | CA1336117C Preparation of water-soluble copolymers of maleic acid and use thereof as water treatment agents |
| 06/22/1995 | WO1995016726A1 Method of producing maleinimide polymers and use of such polymers |
| 06/21/1995 | EP0658517A1 Homogeneous mixtures of silicate and carbonate of alcali metal |
| 06/21/1995 | CN1103853A Domestic agent for cleaning and scale-removing |
| 06/20/1995 | CA2035207C Methods of controlling scale formation in aqueous systems |
| 06/07/1995 | EP0656417A1 Limescale removal compositions |
| 06/06/1995 | US5422010 Method for inhibiting silica and silicate deposition |
| 06/01/1995 | WO1995014641A1 Limescale removal compositions |
| 05/30/1995 | US5420211 Grafting a copolymer to a substrate of polyoxyalkylene glycols for protective coatings |
| 05/30/1995 | US5419836 Chemical feed system |
| 05/24/1995 | EP0654449A1 Silica scale inhibition |
| 05/24/1995 | DE4441177A1 Homogeneous alkali metal silicate-carbonate mixts. |
| 05/18/1995 | WO1995013247A1 Inhibition of scale growth utilizing a dual polymer composition |
| 05/10/1995 | EP0651726A1 BOILER OPERATION WITH DECREASED NO x? AND WASTE WATER DISCHARGE |
| 05/10/1995 | CN2196626Y Permanent magnet scaling device |
| 05/09/1995 | US5414112 N-bis(phosphonomethyl) amino acids and their use as scale inhibitors |
| 05/09/1995 | US5413718 Use of added water to achieve 100% injection weight in geothermal operations |
| 05/04/1995 | DE4337337A1 Process for the preparation of polysuccinimide |
| 05/03/1995 | EP0650995A2 Process for preparing aspartic acid polymers |
| 05/02/1995 | US5411889 Regulating water treatment agent dosage based on operational system stresses |
| 05/02/1995 | US5411666 Methods for removing biofilm from or preventing buildup thereof on surfaces in industrial water systems |
| 04/25/1995 | US5409614 Control of scale deposition in geothermal operations |
| 04/25/1995 | US5409571 A pulping antiscaling agent comprising a terpolymers of maleic acid, acrylic acid, hypophosphorous acid |
| 04/25/1995 | US5409062 Method of inhibiting reservoir scale |
| 04/20/1995 | WO1995010485A1 Method for removing scale and stains |
| 04/19/1995 | EP0648234A1 Graft copolymers of unsaturated monomers and sugars, process for producing the same and their use |
| 04/18/1995 | US5407583 Adding a mixture of polyacrylic acid, polymethacrylic acid, polymaleic anhydride, or copolymers thereof or copolymers with acrylamide, and polydimethyldiallylammonium chloride |
| 04/12/1995 | EP0647596A2 A polymer containing agent for water treatment and process for producing said polymer |
| 04/06/1995 | WO1995009293A1 Use of steam condensate to dilute brine stream additives |
| 04/06/1995 | WO1995009292A1 Use of added water to achieve 100 % injection weight in geothermal operations |
| 04/04/1995 | US5403493 Supplying aqueous, alkaline solution containing anionic polymer having carboxylate and/or sulfonate sites, carbohydrazide |
| 03/30/1995 | WO1995008510A1 Method and apparatus for treating fluid with radio frequency signals |
| 03/28/1995 | US5401419 Conservation of water in operating evaporative coolers |
| 03/28/1995 | US5401323 Method for removing clay deposits from cooling water systems |
| 03/28/1995 | US5401311 Chelate compound, a phosphonate or a phosphate, alkalinity |
| 03/22/1995 | EP0644257A2 Process for preparing amino acid particles |
| 03/22/1995 | EP0644160A2 Method for inhibiting scale formation and/or dispersing iron in reverse osmosis systems |
| 03/22/1995 | CA2132112A1 Acid catalyzed process for preparing amino acid polymers |
| 03/16/1995 | WO1995007329A1 Mixtures of polyamino acids and citrate |
| 03/16/1995 | WO1995007241A1 Carbohydrate-based scale inhibitor |
| 03/16/1995 | CA2171328A1 Mixtures of polyamino acids and citrate |
| 03/15/1995 | EP0642593A1 Use of condensation products of aspartic acid as deposit-prevention agents in the concentration of sugar juices. |
| 03/09/1995 | CA2124978A1 Method and compositions for removing deposits from cooling water systems |
| 03/08/1995 | EP0641364A1 Salts of polyaspartic acid by high temperature reaction |
| 03/08/1995 | CN1099764A Method for preparing maleic acid anhydride-propenoic acid copolymer |
| 03/08/1995 | CN1099762A Method for preparing hydrolytic maleic anhydride |
| 03/07/1995 | US5395905 Water-soluble addition polymers of cyclohexene anhydrides |
| 03/02/1995 | WO1995006074A1 Water-soluble copolymerizates containing carboxyl groups, methods of producing said copolymerizates, and use thereof as scale inhibitors |
| 03/01/1995 | EP0640747A1 Boiler system pH/phosphate program control method |
| 03/01/1995 | CN2190649Y Circulation water treating device |
| 03/01/1995 | CN1099442A 蒸汽熨斗 Steam iron |
| 03/01/1995 | CN1027764C Descaling agent for aluminium kettle |
| 02/28/1995 | US5393456 Composition for controlling silica and water soluble silicate deposition |
| 02/28/1995 | US5393428 Process for treating waste water containing chlorinated organic compounds from production of epichlorohydrin |
| 02/28/1995 | US5393421 Apparatus for activating silicic acid in water |
| 02/23/1995 | DE4327494A1 Process for the preparation of polyaspartimides |
| 02/21/1995 | US5391303 Polyether polyamino methylene phosphonate N-oxides for high pH scale control |
| 02/21/1995 | US5391302 Mixing and reacting a slurry of calcium carbonate and slaked lime to make a calcium hydrogen carbonate aqueous solution which is added to water system |
| 02/21/1995 | CA1334501C Method for inhibition of scale formation, compositions therefor and method for preparation of such compositions |
| 02/15/1995 | EP0638049A1 Installation for preventing deposits in a structure's drainage system |
| 02/14/1995 | US5389303 Mixtures of polyamino acids and citrate |