Patents for C23F 11 - Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent (9,217)
03/2002
03/21/2002US20020033470 Coolant for internal combustion engines; mixture of ethylene and propylene glycol
03/20/2002EP1188761A1 Novel geminal-diphosphonic acids and their manufacture
03/14/2002WO2002002845A3 Method of treating ferrous-based substrates
03/14/2002US20020030177 Monocarboxylic acid based antifreeze composition for diesel engines
03/14/2002US20020030018 Methods and acidizing compositions for reducing metal surface corrosion and sulfide precipitation
03/13/2002EP1185355A1 Anti-corrosion solutions for air dehumidification systems
03/13/2002EP0739400B1 Nonaqueous heat transfer fluid
03/13/2002CN1340087A Resin coated steel sheet for fuel tanks of automobile and method of fabricating the same
03/12/2002US6355771 Modified by mercaptoalkylamine; corrosion resistance, antiscaling agents
03/12/2002CA2107791C Method and composition for inhibiting general and pitting corrosion in cooling tower water
03/12/2002CA2066806C Flowable aqueous dispersions of polycarboxylic acid corrosion inhibitors
03/07/2002WO2001059181A3 Anti-corrosive agents and method for protecting metal surfaces against corrosion
03/06/2002EP1184486A2 Use of N-Alkyl-beta-alanine-Derivatives for the manufacture of cleaning corrosion inhibitors
03/06/2002CN1339015A Scale and/or corrosion inhibiting composition
03/06/2002CN1338437A Process for suppressing corrosion of cyclic cooling water
03/01/2002CA2354309A1 Use of n-alkyl-beta-alanine derivatives to prepare cleaning corrosion inhibitors
02/2002
02/26/2002US6350560 Rinse composition
02/21/2002WO2002014581A1 Phosphine coke inhibitors for edc-vcm furnaces
02/21/2002CA2411118A1 Phosphine coke inhibitors for edc-vcm furnaces
02/13/2002EP1179973A2 Composition for circuit board manufacture
02/13/2002CN1335896A Surface-treating agent for magnesium-based part and method of surface treatment
02/12/2002US6346206 Oxygen scavenger and boiler water treatment chemical
02/12/2002US6345632 A section of the system is isolated and chemically cleaned, then is immediately passivated using a high concentration of passivating agent.
02/12/2002CA2309887C Neoacid corrosion inhibitors
02/07/2002WO2002010179A1 Method for preparing a chromium iii organic complex, its use as corrosion inhibiting agent and as anticorrosive coating agent
02/07/2002WO2002010121A1 Amides from hydrocarbyl amines and the use thereof
02/07/2002WO2001066806A8 Method of preventing nitridation or carburization of metals
02/07/2002DE10036956A1 Amide von Hydrocarbylaminen und Verwendung dieser Amide Amides of hydrocarbyl amines and amides using these
02/07/2002DE10036031A1 Gefrierschutzmittelkonzentrate auf Basis von Amiden und diese umfassende Kühlmittelzusammensetzungen zum Schutz von Magnesium und Magnesiumlegierungen Antifreeze concentrates based on amides and this comprehensive coolant compositions for the protection of magnesium and magnesium alloys
02/06/2002EP1177331A1 Method and composition for inhibiting corrosion in aqueous systems
01/2002
01/31/2002WO2002008345A1 Corrosion inhibitors
01/31/2002WO2002008127A1 Treatment of iron sulphide deposits
01/31/2002US20020012414 Polymer dispersants and methods of use in a nuclear steam generator
01/31/2002US20020011280 Forming a hydrolytically stable Al-O-P bond by reaction with acidic ammonium phosphate salt; phosphorous acid, phosphinic acid; an organophosphonic or organophosphinic acid; a phosphate acid ester; an organophosphonic acid polymer
01/30/2002CN1333316A Chromium free paint composition and painted metal plate
01/30/2002CN1078630C Method for inhibiting point corrosion
01/24/2002WO2002006420A1 Non-aqueous heat transfer fluid and use thereof
01/22/2002US6340438 Corrosion inhibiting admixture for concrete
01/17/2002US20020006524 Method of improving oxidation and corrosion resistance of a superalloy article, and a superalloy article obtained by the method
01/16/2002EP1172420A1 Chromium-free paint compositions and painted metal sheets
01/16/2002EP1171650A1 Method or pre-treatment for inhibiting sulphide corrosion
01/16/2002EP1171649A1 Stabilized bromine solutions, method of manufacture and uses thereof for biofouling control
01/15/2002US6338819 Combinations of imidazolines and wetting agents as environmentally acceptable corrosion inhibitors
01/10/2002WO2002002845A2 Method of treating ferrous-based substrates
01/10/2002WO2002002839A1 Method of surface treating ferrous-based substrates
01/10/2002DE10038277A1 Process for dosing corrosion protection agents in the cooling water circuit of a tempering plant comprises measuring the pH in the circuit, and adding a corrosion protection agent when there is a deviation in pH from a theoretical value
01/09/2002EP1170348A2 An engine coolant composition and a method of reducing corrosion
01/09/2002EP1170347A2 Hybrid supplemental coolant additive
01/09/2002EP1169494A1 Combinations of imidazolines and wetting agents as environmentally acceptable corrosion inhibitors
01/09/2002EP0786018B1 Corrosion inhibiting compositions
01/03/2002WO2002000965A1 Corrosion protective agent
01/03/2002WO2001040415A3 Additive for preventing deposits and corrosion of heating furnaces or steam generators, and method for its obtaining
01/03/2002US20020001536 In alkanolamine, hot carbonate solutions, diglyme, solvents, hydrogen sulfide, carbon monoxide, and mixtures thereof, by injecting an amine resin comprising the reaction product of formaldehyde and sterically hindered amine
01/02/2002EP1167486A1 Heat-transfer fluid containing nano-particles and carboxylates
01/02/2002EP1115430A4 Endoscope reprocessing and sterilization system
01/02/2002EP1025181B1 Cooling liquid for utilizing in components made of magnesium
01/01/2002CA1341330C Substituted acyl dertivatives of 1,2,3,4-tetrahydroisquinoline-3-carboxylic acids
12/2001
12/27/2001WO2001098558A2 Corrosion control utilizing a hydrogen peroxide donor
12/27/2001WO2001098431A1 Heat-transfer fluid containing nano-particles and carboxylates
12/27/2001WO2001098218A2 Dynamic optimization of chemical additives in a water treatment system
12/27/2001WO2001042532A3 Metal treatment fluid for the neutral ph-range
12/27/2001US20010056046 Low-foam emulgator system and emulsion concentrate containing the same
12/27/2001US20010054475 Ligand layer on a metal surface is capable of being reversibly switched between adhesion and deadhesion; includes substituted pyridine dimers and/or pyridine trimers
12/27/2001US20010054455 Method for treating metallic surfaces
12/27/2001US20010054454 Contacting walls with aqueous solution of metal silicate to form a silicate protective film on the wall; especially forming aluminum silicate film on aluminum alloy wall; space launch vehicles
12/27/2001CA2413888A1 Corrosion control utilizing a hydrogen peroxide donor
12/25/2001US6332937 Method of improving oxidation and corrosion resistance of a superalloy article, and a superalloy article obtained by the method
12/19/2001EP1163296A1 Method of treating metals using ureido silanes and multi-silyl-functional silanes in admixture
12/19/2001CN1076395C Method of inhibiting corrosion in aqueous systems using poly amino acid
12/13/2001WO2001094494A1 Cesium formate containing coolant
12/13/2001US20010050029 Mixture of zirconium compound, fluoride compound, water soluble resin and aluminum compound
12/12/2001EP1161575A1 Nonsludging zinc phosphating composition and process
12/12/2001CN1076067C Low lead released pipes made from copper based alloy containing lead and method for manufacturing them
12/11/2001US6329073 Elongated steel object treated with a corrosion inhibiting composition
12/11/2001US6328530 MG alloy member and its use
12/05/2001CN1324960A Composite corrosion inhibitor for high-temperature high-density test liquid
12/05/2001CN1324959A Supplement method for bath
12/04/2001US6326441 Compensated sulphonated polyaniline and a process for the preparation thereof
12/04/2001US6326130 Alkaline solution containing 1-methyl-2-pyrrolidinone, ethanolamine and reducing agent
12/04/2001US6325915 Method and system of preventing corrosion of conductive structures
11/2001
11/29/2001WO2001090232A2 A method for providing a fluid composition with improved fire resistance
11/29/2001WO2001070900A8 Antifreeze/coolant composition
11/29/2001US20010047096 Amidation of an acid anhydride by a compound comprising a nitrogen/sulfur saturated ring, e.g., thiazolidine; odorless corrosion inhibitors for metal; pollution control
11/29/2001US20010045546 Preventin corrosion in pipelines by draining pipeline of all residual compounds, blowing through with nitrogen and rinsing with a corrosion inhibitor
11/29/2001CA2409213A1 A method for providing a fluid composition with improved fire resistance
11/28/2001CN1323750A Composite water treating agent with polyasparagic acid as main component
11/22/2001WO2001088223A1 Method for protecting reinforcement in concrete from chloride corrosion
11/21/2001CN1323361A Corrosion inhibitors and synergistic inhibitor combinations for the protection of light metals in heat-transfer fluids and engine coolants
11/15/2001WO2001086023A2 Inhibition of pitting and crevice corrosion
11/15/2001WO2001086022A1 Process for preparation of thin metallic foils and organic thin-film-metal structures
11/15/2001DE10021915A1 Molybdenum compounds, geminal diphosphonic acids, phosphonocarboxylic acids and polycarboxylic acids are used to inhibit pitting and cracking corrosion of stainless steel and nickel (alloy) in aqueous solution
11/14/2001EP1153160A1 Cleaner composition and method of use thereof
11/14/2001EP1153095A1 Resin-coated steel sheet for fuel tanks of automobile and method of fabricating the same
11/14/2001EP1152986A1 Scale and/or corrosion inhibiting composition
11/14/2001CN1321793A Infitration type rust inhibitor and its electroosmosis method
11/14/2001CN1321709A Rust preventer of aluminium non-chromate, rust preventing method and rustproof aluminium articles
11/13/2001US6315045 Methods and acidizing compositions for reducing metal surface corrosion and sulfide precipitation
11/08/2001DE10022075A1 Conductive and weldable corrosion protection composition for metal surfaces in coil coating comprises a conductive pigment of zinc, aluminum, graphite, molybdenum sulfide, carbon or iron phosphide.
11/07/2001EP1152068A1 Rust preventive
11/07/2001CN1320720A Anticorrosion agent for protecting standby thermodynamic apparatus and its preparing process
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