PROTECTIVE COATING - UNITED TECHNOLOGIES CORPORATION

Title:

PROTECTIVE COATING

Document Type and Number:

Japanese Patent JP3853770

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To provide a non-chromate protective coating which is particularly useful as a protective coating on iron and iron alloys.
SOLUTION: The non-chromate protective coating and coating solution useful for coating iron and iron alloys, particularly steel, include H2O (water), H3PO4 (phosphoric acid), MgO (magnesium oxide) and Al (aluminum), and V2O5, Ce2 (MoO4)3 or SrWO4 as a corrosion inhibitive component, and have pH satisfying the value in the range of 2.5 to 5.0.

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Inventors:

Thomas Earl Hanlon
Mark Earl.
Michael Earl Klitsman
John H. Vontel

Application Number:

JP2003312361A

Publication Date:

December 06, 2006

Filing Date:

September 04, 2003

Export Citation:

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Assignee:

UNITED TECHNOLOGIES CORPORATION

International Classes:

C23C22/07; C04B28/34; C09D5/12; C23C22/20; C23C22/22; C23C22/42; C23C22/74; (IPC1-7): C23C22/07; C23C22/20; C23C22/22; C23C22/42

Foreign References:

US5279649

Attorney, Agent or Firm:

Masatake Suzuki

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