CLEANING AGENT AND CLEANING METHOD FOR RIDDING TITANIUM AND TITANIUM ALLOY BUILDING MATERIALS OF DISCOLORATION

Title:

CLEANING AGENT AND CLEANING METHOD FOR RIDDING TITANIUM AND TITANIUM ALLOY BUILDING MATERIALS OF DISCOLORATION

Document Type and Number:

WIPO Patent Application WO/2004/031333

Kind Code:

A1

Abstract:

A cleaning agent for removing discolored parts of titanium building materials, which comprises a water-soluble inorganic salt, an organic acid or a salt thereof, a surfactant, and an oxygen-containing hydrophilic hydrocarbon solvent as the essential components and contains a discoloration inhibitor, a fluororesin, and/or an abrasive at need; and a cleaning method for removing discolored parts of titanium building material, which comprises applying the cleaning agent to discolored parts of a titanium building material with a brush with bristles set thereon or a sponge roller, either aging the coating or rubbing the coated areas with a nonwoven fabric or a resin foam, and then removing the discolored parts by washing with water.

Inventors:

KANEKO MICHIO (JP)
TOKUNO KIYONORI (JP)
SHIMIZU HIROSHI (JP)
DEKURA TAKATERU (JP)

Application Number:

PCT/JP2003/012147

Publication Date:

April 15, 2004

Filing Date:

September 24, 2003

Export Citation:

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Assignee:

NIPPON STEEL CORP (JP)
KANEKO MICHIO (JP)
TOKUNO KIYONORI (JP)
SHIMIZU HIROSHI (JP)
DEKURA TAKATERU (JP)

International Classes:

B08B1/00; B08B3/08; B08B7/04; C09G1/02; C11D3/02; C11D3/04; C11D3/14; C11D3/20; C11D3/28; C11D3/33; C11D3/34; C11D3/36; C11D3/37; C11D3/43; C11D11/00; C11D17/00; C23G1/06; C23G1/10; (IPC1-7): C11D1/00; C11D3/04; C11D3/14; C11D3/20; C11D3/28; C11D3/37; C11D3/43; C23G1/12; C23G1/06; B08B1/00; B08B3/02; B08B3/08; B08B7/04

Foreign References:

JP2001335978A	2001-12-07
JPH11256374A	1999-09-21
JPH09241875A	1997-09-16
JPH08283970A	1996-10-29
JPH04323392A	1992-11-12

Other References: