Method and composition for protecting metal surfaces from oxidative environments
Patent 4522658 Issued on June 11, 1985. Estimated Expiration Date: 
June 21, 2004. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
June 21, 2004. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1915148 2431715 2814593 2869978 3506581 3779935 InventorAssigneeApplicationNo. 06/623276 filed on 06/21/1984US Classes:148/248, Contains nonreactive organic liquid at ambient temperature (e.g., solvent, etc.)148/269, Metal substrate contains elemental Ti, Zr, Hf, Cu, Ta, or Th or alloy thereof148/273, Contains an atom of arsenic or metal atom other than alkali metal252/389.54, Molybdenum, arsenic, antimony, vanadium, bismuth, tungsten, selenium, or tellurium containing252/390, Amine, amide, azo, or nitrogen-base radical containing252/393, Phenol or quinone radical containing252/396, Oxygen organic compound containing422/12, Aqueous acid environment (i.e.,pH less than or equal to 4.1)427/435, Metal base507/240, Organic component is quaternary ammonium salt507/266, Organic component contains an alcohol group507/275, Inorganic component contains arsenic or antimony507/934With inhibitorExaminersPrimary: Bueker, RichardAttorney, Agent or FirmInternational ClassesC23F 11/04 (20060101)C09K 8/54 (20060101) B05D 7/14 (20060101) B05D 5/00 (20060101) AbstractThe present invention relates to a method of inhibiting the oxidative effect of an oxidative environment upon a metal surface utilizing a composition comprising an inhibiting effective amount of an acetylenic alcohol, a quaternary ammonium compound, an aromatic hydrocarbon, an antimony compound, and an aqueous fluid. The metal surface to be protected is contacted with the composition whereby a deposit or coating of at least a portion of the composition constituents is formed on the metal surface. |
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