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)
08/1997
08/19/1997CA1339295C Surface active lactams
08/19/1997CA1339292C Corrosion inhibition of closed cooling water auxiliary system for nuclear power plants and other applications
08/13/1997EP0788527A1 Corrosion preventing buffer system for metal products
08/12/1997CA2197144A1 Metal corrosion-inhibiting coating composition comprising aminoalkylphosphonic acids
08/07/1997WO1997028231A1 Corrosion inhibition in petroleum and natural gas production
08/06/1997EP0787832A1 Treatment of ferrous metal surfaces
08/06/1997EP0787225A1 Method for minimizing solvent degradation and corrosion in amine solvent treating systems
08/06/1997CN1156471A Anti-fouling compositions
08/05/1997US5654012 Suppression of microorganisms by adding or applying metal borates to sealed pipes, liners or pool bases
08/05/1997US5653117 Absorption refrigeration compositions containing thiocyanate, and absorption refrigeration apparatus
07/1997
07/31/1997DE19603027A1 Verwendung von mit Aminen hydrophob modifizierten Polyasparaginsäuren als Korrosionsinhibitoren bei der Erdöl- und Erdgasgewinnung Use of amines with hydrophobically modified polyaspartic acids as corrosion inhibitors in oil and gas extraction
07/30/1997EP0786019A1 Use of guanidine salts of unsaturated fatty acids as anticorrosive active substances
07/30/1997EP0786018A1 Corrosion inhibiting compositions
07/29/1997US5651916 Forming silicate premix, adding to glycol; gelation inhibition
07/29/1997CA1339146C Corrosion inhibition
07/24/1997WO1997026309A1 Deicing composition and method
07/23/1997EP0784599A1 Corrosion inhibiting compositions for aqueous systems
07/22/1997US5650097 Corrosion inhibitor composition for steel
07/22/1997US5650088 Treating solution for gold-plated material
07/17/1997WO1997025394A1 Use of alkali and/or triethanolamine salts of the alkanoyl amido carboxylic acids in metal working
07/10/1997WO1997024472A1 Corrosion inhibition by ethoxylated fatty amine salts of maleated unsaturated acids
07/08/1997US5645755 2-butyne-1,4-diol, non-phosphate
07/01/1997US5643534 Corrosion inhibitor for alkanolamine units
07/01/1997US5643499 Reducing galvanic degradation of hybrid metal/composite structures
07/01/1997US5643493 Corrosion resistance, water, a triazole, alkali hydroxide, a a sodium borate, alkali silicate, silicate stabilizer, antifoam agent
06/1997
06/25/1997EP0780406A2 Phosphonic acid polymers
06/19/1997WO1997021783A1 Antifreeze agent
06/19/1997DE19546472A1 Gefrierschutzmittel Antifreeze agent
06/18/1997CN1152036A Rustproofing apparatus
06/17/1997US5639565 Reducing galvanic degradation of hybrid metal/composite structures
06/17/1997US5639012 Process and device for the posttreatment of welded compound panels
06/12/1997WO1997020901A1 Neoacid corrosion inhibitors
06/12/1997WO1997020900A1 Corrosion inhibitors for cement compositions
06/11/1997EP0778091A1 Aqueous solution for cold working treatment of steel sheets
06/10/1997US5637251 Functional additive composition based on organic amine salts for coolants
06/08/1997CA2191938A1 Aqueous solution for strain-hardening of sheet steel
06/03/1997US5635575 Agent for water treatment containing a polymer for water treatment and a process for producing said polymer
06/03/1997US5635101 Deicing composition and method
05/1997
05/29/1997WO1997018905A1 Method of providing corrosion protection
05/28/1997CN1035020C Process for preparation of high temp. oil phase corrosion inhibitor
05/27/1997CA2097235C Acid-anhydride esters as oil field corrosion inhibitors
05/21/1997EP0774017A1 Scale and corrosion inhibiting composition for protecting surfaces in contact with water and method for the preparation of said composition
05/21/1997CN1150181A Si series corrosion inhibitor for soft water close circulation cooling system
05/20/1997US5630985 Chemical agents and method for the inhibition of corrosion and deposit formation in water systems
05/20/1997US5630964 Use of sulfiding agents for enhancing the efficacy of phosphorus in controlling high temperature corrosion attack
05/15/1997WO1997017481A1 Methods and emulsions for inhibition of oil well corrosion
05/15/1997DE19547499A1 Engine coolant composition with low depletion rate
05/14/1997EP0773298A1 Monitoring the level of microbiological activity of a fluid system
05/10/1997CA2189948A1 Monitoring and controlling of microbiological systems using bioreactive reagent
05/07/1997EP0771368A1 Process for treating the surface of aluminum sheet for cap manufacturing
05/06/1997US5626818 Process for inhibiting corrosion
05/02/1997EP0770150A1 Corrosion inhibitor composition for steel
04/1997
04/30/1997CN1148572A Corrosion-proof scale-inhibitor for water-heating boiler and application method thereof
04/30/1997CN1034738C Protective agent composition
04/29/1997US5625656 Method for monitoring noble metal distribution in reactor circuit during plant application
04/29/1997US5624995 Polymer containing fluorescent compound with an allyl group, easy adjustment of concentration
04/29/1997US5624712 Liquid fatty acid protection of anodized aluminum
04/23/1997EP0769573A1 Anticorrosion agent and antifreeze composition containing the anticorrosion agent
04/23/1997EP0769039A1 Antifouling compositions
04/23/1997CN1034684C Method for inhibition of cooling water corrosion
04/09/1997CN1147001A Pigment preparation
04/03/1997WO1997012076A1 Metal surface treatments
04/02/1997CN1146711A Borates useful for the prevention/mitigation of microbiologically influenced corrosion and staining
04/01/1997US5616278 Treating cooling water system with a 1-hydroxy-2-amino-, oxy-, or thio-succinic acid derivative
03/1997
03/26/1997EP0654034B1 Ammonium organo-phosphorus acid salts
03/25/1997US5614268 Coating composition
03/25/1997CA1339004C Corrosion inhibiting systems, products containing residual amount of such systems, and methods therefor
03/22/1997CA2160401A1 Stabilization of catalyzed aqueous sulfite and bisulfite ion solutions
03/18/1997US5612372 Liquid dispersants for pesticides
03/18/1997US5612093 Titanium and zirconium complexes of carboxylic acids as corrosion inhibitors
03/18/1997US5611992 Anaerobic process for oil field corrosion resistance
03/18/1997US5611991 Oil field use
03/12/1997EP0761797A2 Process for the preparation of a propylene glycol antifreeze containing an alkali metal silicate
03/12/1997EP0706583B1 Sodium water-glass solutions with high orthophosphate contents for corrosion protection in the field of drinking-water supplies
03/12/1997CN1144779A Method for prevention of scale formation in aqueous systems
03/11/1997US5610255 Process for preparing polysuccinimide and polyaspartic acid
03/06/1997WO1997008264A1 Compositions and methods for inhibiting corrosion
03/06/1997CA2215308A1 Compositions and methods for inhibiting corrosion
03/05/1997EP0760402A1 Carbon dioxide steel corrosion inhibition with synergetic, environmental friendly composition of N-acyl sarcosines and N-alkyl-amidopropylbetaines
03/05/1997EP0760401A1 Liquid rust proof film-forming composition and rust proof film-forming method
03/05/1997EP0759818A1 Aqueous metal coating composition and process with reduced staining and corrosion
03/05/1997CN1144197A Phosphinic sulfoacid carboxylic acid multicomponent copolymer and its synthetic method
03/04/1997US5608766 Co-deposition of palladium during oxide film growth in high-temperature water to mitigate stress corrosion cracking
03/04/1997US5607623 Inhibition of carbon dioxide corrosion of metals
02/1997
02/27/1997WO1997007176A1 Solutions and methods for inhibiting corrosion
02/25/1997US5606105 Water treatment agent
02/25/1997US5605742 Metal material formed with fluorocarbon film, process for preparing the material and apparatus made with use of the material
02/20/1997WO1997006313A1 Low lead release plumbing components made of copper based alloys containing lead, and a method for obtaining the same
02/18/1997US5604291 Telomers
02/18/1997US5603862 Liquid composition containing anticorrosion effective amount of metabisulfite, stabilizing amount of succinic or adipic acid or sodium, potassium or ammonium salts thereof
02/11/1997US5602888 Radiation-induced palladium doping of metals to protect against stress corrosion cracking
02/11/1997US5601754 Water treatment polymer containing poly[oxy-[(hydroxymethyl)-1,2-ethanediyl]] macromonomers and methods of use thereof
02/11/1997US5601700 Treating crude oil or water and oil emulsion with sulfite or bisulfite of alkali, alkaline earth metals or ammonium,while controlling desirable ph by adding alkali and preventing sulfur precipiation
02/06/1997WO1997003913A1 Corrosion inhibitor for alkanolamine units
02/06/1997CA2223253A1 Corrosion inhibitor for alkanolamine units
02/05/1997EP0757360A1 Method of mitigating stress corrosion cracking of metals in high-temperature water by control of crack tip pH
02/05/1997EP0756453A1 Borates useful for the prevention/mitigation of microbiologically influenced corrosion and staining
02/04/1997US5600692 Injecting noble metal compound into water, causing the decomposition to release noble metal which dopes surface oxide film, reducing freed noble metal, using reducing agent
02/04/1997US5600691 Noble metal doping or coating of crack interior for stress corrosion cracking protection of metals
01/1997
01/29/1997CN1033923C Rust preventive coating
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