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Class Information
Number: 252/387
Name: Compositions > Preservative agents > Anti-corrosion
Description: Compositions specialized and designed for, or peculiar to, use as or in agents for preventing, inhibiting, or reducing, corrosion or chemical attack of solid metals, or other solid materials, of receptacles or apparatus.


Sub-classes under this class:

Class Number Class Name Patents
252/388 Organic compound containing 118


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
7615102 Corrosion and gas hydrate inhibitors with an increased biological degradability and a reduced toxicity Nov. 10, 2009
7601280 Corrosion-responsive coating formulations for protection of metal surfaces Oct. 13, 2009
7569163 Polythioether amine resins and compositions comprising same Aug. 4, 2009
7503381 Surface treatment method for flux-brazed aluminum-made heat exchanger Mar. 17, 2009
7491318 Method for prevention of corrosion by naphthenic acids in refineries Feb. 17, 2009
7485177 Volatile corrosion inhibiting mixture with tracing agent Feb. 3, 2009
7462654 Corrosion-resistant coating composition Dec. 9, 2008
7459102 Supramolecular oxo-anion corrosion inhibitors Dec. 2, 2008
7456142 Water-soluble glass as corrosion protector in dishwashing machines Nov. 25, 2008
7438881 Anticorrosive pigments Oct. 21, 2008
7422793 Non-toxic corrosion-protection rinses and seals based on rare earth elements Sep. 9, 2008
7407711 Non-toxic corrosion-protection conversion coats based on rare earth elements Aug. 5, 2008
7402263 Tungstate based corrosion inhibitors Jul. 22, 2008
7396802 Corrosion inhibitor/metal passivator additive composition from waste refinery streams Jul. 8, 2008
7361632 Water soluble glass as corrosion protector in dishwashing machines Apr. 22, 2008
7341617 Corrosion and gas hydrate inhibitors having improved water solubility and increased biodegradability Mar. 11, 2008
7294211 Non-toxic corrosion-protection conversion coats based on cobalt Nov. 13, 2007
7291217 Non-toxic corrosion-protection pigments based on rare earth elements Nov. 6, 2007
7264661 Particulate metal alloy coating for providing corrosion protection Sep. 4, 2007
7204937 Metal oxides dispersant composition Apr. 17, 2007
7195723 Colloidal solutions and nanocomposites of electrides and alkalides and methods of use Mar. 27, 2007
7179403 Anti-corrosion solutions for air dehumidification systems Feb. 20, 2007
7176168 Lubricant containing a synergistic combination of rust inhibitors, antiwear agents, and a phenothiazine antioxidant Feb. 13, 2007
7135396 Method of making a semiconductor structure Nov. 14, 2006
6984340 Corrosion inhibiting formulations Jan. 10, 2006
6953534 Engine antifreeze composition Oct. 11, 2005
6894008 Method of increasing pH of high-density brines May. 17, 2005
6885721 Inhibition method of stress corrosion cracking of nuclear steam generator tubes by lanthanum boride Apr. 26, 2005
6811747 Corrosion inhibitor Nov. 2, 2004
6777238 Dual use corrosion inhibitor and penetrant for anomaly detection in neutron/X radiography Aug. 17, 2004
6773516 Process and solution for providing a conversion coating on a metallic surface I Aug. 10, 2004
6758282 Fire protection pipe and methods of manufacture Jul. 6, 2004
6755917 Process and solution for providing a conversion coating on a metallic surface II Jun. 29, 2004
6749694 Conversion coatings including alkaline earth metal fluoride complexes Jun. 15, 2004
6740424 Surface coated aluminum fine powder and aqueous chromium-free corrosion inhibiting coating composition including the same May. 25, 2004
6733687 Hybrid supplemental coolant additive May. 11, 2004
6716370 Supramolecular oxo-anion corrosion inhibitors Apr. 6, 2004
6676856 Deacidification treatment of printed cellulosic materials Jan. 13, 2004
6676848 Corrosion inhibitors and synergistic inhibitor combinations for the protection of light metals in heat-transfer fluids and engine coolants Jan. 13, 2004
6669786 Self-healing non-chromate coatings for aluminum and aluminum alloys Dec. 30, 2003
6645400 Corrosion control utilizing a hydrogen peroxide donor Nov. 11, 2003
6596197 Potassium monofluorophosphate as a corrosion inhibitor Jul. 22, 2003
6572789 Corrosion inhibitors for aqueous systems Jun. 3, 2003
6556642 Inhibition method of the secondary side stress corrosion cracking in nuclear steam generator tubes Apr. 29, 2003
6555600 Corrosion inhibiting thermoplastic alloys Apr. 29, 2003
6527983 Method for inhibiting scale formation Mar. 4, 2003
6524403 Non-chrome passivation process for zinc and zinc alloys Feb. 25, 2003
6508951 Low P type coolant composition Jan. 21, 2003
6503305 Non-toxic corrosion inhibitor Jan. 7, 2003
6475358 Method for providing a protective coating for carbonaceous components of an electrolysis cell Nov. 5, 2002

1 2 3 4 5 6


 
 
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