Patents
Patents for C23F - Non-mechanical removal of metallic material from surfaces; Inhibiting corrosion of metallic material; Inhibiting incrustation in general; Multi-step processes for surface treatment of metallic material involving at least one process provided for in class and at least one process covered by subclass  or or class (121)
05/2014
05/20/2014US8731131 Method of reducing corrosion of nuclear reactor structural material
05/2013
05/08/2013EP2589683A1 Method of inhibiting corrosion in hot water systems
03/2013
03/21/2013US20130070888 Method of reducing corrosion of nuclear reactor structural material
07/2012
07/25/2012EP1368510B1 Subsea pipeline power transmission
02/2011
02/15/2011CA2592982C Gas treating solution corrosion inhibitor and method
01/2011
01/12/2011CN1882715B Method of inhibiting corrosion in hot water systems
07/2010
07/22/2010DE102004059968B4 Verfahren zur Verminderung der Korrosion eines Kernreaktorstrukturmaterials A method of reducing corrosion of a nuclear reactor structural material
04/2010
04/29/2010DE112004001487B4 Verfahren zur Oberflächenbehandlung von oxidiertem Metall A process for surface treatment of oxidized metal
04/20/2010US7699936 Composition and method for surface treatment of oxidized metal
04/08/2010DE102004064075B4 Verfahren zur Verminderung der Korrosion eines Kernreaktorstrukturmaterials A method of reducing corrosion of a nuclear reactor structural material
04/06/2010CA2433736C Subsea pipeline power transmission
02/2010
02/16/2010US7662312 layered double hydroxides modified with a weak organic or inorganic acid; a hydrotalcite modified with phosphates, chromates, molybdates, or 2,5-dimercapto-1,3,4-thiadiazole; coil and aircraft primer
12/2009
12/22/2009US7635449 determining range of oxidation-reduction potentials, monitoring and control the addition of oxygen or oxygen scavenger to the system to maintain effective corrosion resistance; used in the boiler water
08/2009
08/25/2009US7578878 Pigment grade corrosion inhibitor host-guest compositions and procedure
07/2009
07/01/2009CN100507084C Composition and method for surface treatment of oxidized metal
11/2008
11/26/2008EP1685275A4 Method of inhibiting corrosion in hot water systems
10/2008
10/23/2008US20080258114 layered double hydroxides modified with a weak organic or inorganic acid; a hydrotalcite modified with phosphates, chromates, molybdates, or 2,5-dimercapto-1,3,4-thiadiazole; coil and aircraft primer
08/2008
08/27/2008EP1709215A4 Chromium-free antitarnish adhesion promoting treatment composition
02/2008
02/27/2008EP1583871B1 Security film and method for the production thereof
09/2007
09/19/2007EP1834011A2 Etchant solutions and additives therefor
09/04/2007CA2306235C Gas treating solution corrosion inhibitor
04/2007
04/25/2007CN1953868A Chromium-free antitarnish adhesion promoting treatment composition
04/12/2007WO2005003408A3 Pigment grade corrosion inhibitor host-guest compositions and procedure
12/2006
12/28/2006WO2005021836A3 Chromium-free antitarnish adhesion promoting treatment composition
12/20/2006CN1882715A Method of inhibiting corrosion in hot water systems
10/2006
10/11/2006EP1709215A2 Chromium-free antitarnish adhesion promoting treatment composition
09/2006
09/13/2006CN1833053A Composition and method for surface treatment of oxidized metal
08/2006
08/17/2006US20060182651 determining range of oxidation-reduction potentials, monitoring and control the addition of oxygen or oxygen scavenger to the system to maintain effective corrosion resistance; used in the boiler water
08/02/2006EP1685275A2 Method of inhibiting corrosion in hot water systems
06/2006
06/22/2006DE112004001487T5 Zusammensetzung und Verfahren zur Oberflächenbehandlung von oxidiertem Metall A composition and method for surface treatment of oxidized metal
04/2006
04/11/2006US7027957 Current interrupter assembly
12/2005
12/29/2005WO2005052213A3 Method of inhibiting corrosion in hot water systems
12/01/2005US20050267004 Composition and method for surface treatment of oxidized metal
10/2005
10/12/2005EP1583871A2 Security film and method for the production thereof
09/2005
09/07/2005EP1569806A2 Metal engraving method, article, and apparatus
07/2005
07/28/2005DE102004059968A1 Process for decreasing corrosion of a material forming a core reactor structure involving injection of a solution or suspension and hydrogen injection useful in atomic energy technology, e.g. for boiling water reactors
06/2005
06/30/2005WO2005019498A3 Composition and method for surface treatment of oxidized metal
06/14/2005US6905628 Preapplying passivation layer before etching; electrochemical wet etching
06/09/2005WO2005052213A2 Method of inhibiting corrosion in hot water systems
06/09/2005US20050121330 Chromium-free antitarnish adhesion promoting treatment composition
06/09/2005CA2543266A1 Method of inhibiting corrosion in hot water systems
03/2005
03/10/2005WO2005021836A2 Chromium-free antitarnish adhesion promoting treatment composition
03/03/2005WO2005019498A2 Composition and method for surface treatment of oxidized metal
03/03/2005US20050048298 Chromium-free antitarnish adhesion promoting treatment composition
02/2005
02/17/2005US20050037935 Electroconductive element for ion exchange membrane fuel cell; multilayer, substrate, passivation layer and protective coating; reacting metal oxide with acid; forming metal halide
02/08/2005US6852427 Directed to an aqueous, antitarnish and adhesion promoting treatment composition, comprising: zinc ions; metal ions selected from the group consisting of tungsten ions, molybdenum ions, cobalt ions, nickel ions, zirconium ions,
02/03/2005US20050022693 Pigment grade corrosion inhibitor host-guest compositions and procedure
01/2005
01/13/2005WO2005003408A2 Pigment grade corrosion inhibitor host-guest compositions and procedure
12/2004
12/09/2004WO2004044265A3 Protective coatings and methods of applying and using the same
10/2004
10/28/2004WO2004053197A3 Metal engraving method, article, and apparatus
10/21/2004WO2004059037A3 Method for reducing the corrosivity of water-containing oil-mixtures
10/14/2004US20040200805 Metal engraving method, article, and apparatus
09/2004
09/23/2004WO2004050951A3 Security film and method for the production thereof
08/2004
08/19/2004WO2004053197A9 Metal engraving method, article, and apparatus
07/2004
07/15/2004WO2004059037A2 Method for reducing the corrosivity of water-containing oil-mixtures
07/15/2004CA2512012A1 Method for reducing the corrosivity of water-containing oil-mixtures
06/2004
06/24/2004WO2004053197A2 Metal engraving method, article, and apparatus
06/24/2004US20040120847 providing crude oil with a composition capable of dispersing water in said crude oil, such that the amount of water at a surface between said crude oil and a corrosion-sensitive material is decreased.
06/24/2004DE10256832A1 Sicherheitsfolie und Verfahren zur Herstellung derselben Security film and method for manufacturing the same
06/17/2004WO2004050951A2 Security film and method for the production thereof
06/03/2004US20040106707 Protective coatings and methods of applying and using the same
05/2004
05/27/2004WO2004044265A2 Protective coatings and methods of applying and using the same
12/2003
12/10/2003EP1368510A1 Subsea pipeline power transmission
10/2003
10/09/2003WO2003031686A3 Cathodic protection remote monitoring method and apparatus
04/2003
04/17/2003WO2003031686A2 Cathodic protection remote monitoring method and apparatus
04/17/2003US20030074162 Cathodic protection remote monitoring method and apparatus
11/2002
11/27/2002CN1094996C Method for passivating steel in carbonated and/or chloride contaminated concrete
09/2002
09/18/2002CN1091166C Cold-rolled strip and hot-dip coated cold-rolled steel strip for use as building material, mfg. method thereof
07/2002
07/11/2002WO2002053804A1 Subsea pipeline power transmission
04/2002
04/11/2002US20020042198 Method in etching of a substrate
04/2001
04/18/2001EP1029116A4 Gas treating solution corrosion inhibitor
08/2000
08/23/2000EP1029116A2 Gas treating solution corrosion inhibitor
05/2000
05/09/2000US6059992 Mixture of quinone and oxime; oxygen scavengers
05/09/2000CA2115719C Anodic protection method and system
01/2000
01/06/2000WO1999050478A3 Cathodic protection anode and method for steel reinforced concrete
10/1999
10/07/1999WO1999050478A2 Cathodic protection anode and method for steel reinforced concrete
10/06/1999CN1230602A Cold-rolled steel strip and hot-dip coated cold-rolled steel strip for use as building material manufacturing method thereof
07/1999
07/01/1999WO1999019539A3 Gas treating solution corrosion inhibitor
04/1999
04/22/1999WO1999019539A2 Gas treating solution corrosion inhibitor
09/1998
09/09/1998CN1039701C Method and solid material body for purifying fluids such as water, aqueous fluids and liquid fuels
08/1997
08/06/1997EP0631637B1 Method and apparatus for the prevention of fouling and/or corrosion of structures in seawater, brackish water and/or fresh water
05/1996
05/07/1996US5513694 In a heat exchanger for a corrosive fluid
03/1995
03/29/1995EP0558724A4 Surface finishes and methods for the production thereof
01/1995
01/04/1995EP0631637A1 Method and apparatus for the prevention of fouling and/or corrosion of structures in seawater, brackish water and/or fresh water.
09/1994
09/21/1994EP0565544B1 Alkaline etching of aluminum with matte finish and low waste capability
05/1994
05/17/1994CA1329474C Cooling water corrosion control method and composition
12/1993
12/22/1993EP0574556A1 Surface finish compositions
10/1993
10/13/1993CN1077232A Method for passivating steel in carbonated and/or chloride contaminated concrete
09/1993
09/08/1993EP0558724A1 Surface finishes and methods for the production thereof
06/1993
06/16/1993CN1073213A Surface finishes and methods for the production thereof
05/1993
05/28/1993EP0631637A4 Method and apparatus for the prevention of fouling and/or corrosion of structures in seawater, brackish water and/or fresh water.
03/1993
03/04/1993WO1993003919A1 Surface finishes and methods for the production thereof
03/03/1993CN1019989C Method for improving performance of corrosion inhibitors in industrial colling waters
02/1993
02/27/1993WO1993003921A1 Surface finish compositions
02/27/1993CA2094396A1 Surface finishes and methods for the production thereof
02/27/1993CA2094395A1 Surface finish compositions
07/1992
07/23/1992WO1992012276A1 Alkaline etching of aluminum with matte finish and low waste capability
07/23/1992CA2098813A1 Alkaline etching of aluminum with matte finish and low waste capability
02/1992
02/25/1992US5091046 Caustic etching of aluminum with matte finish and low waste capability
11/1991
11/27/1991CN1056537A Method and apparatus for prevention of fouling and/or corrosion of structures in seawater, brackish water and/or fresh water
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