Title:
METAL SURFACE TREATMENTS
Document Type and Number:
WIPO Patent Application WO/1997/012076
Kind Code:
A1
Abstract:
An additive for preventing metal corrosion which comprises as the active ingredient a sulfur compound represented by general formula (I) or the like and can prevent the metal corrosion during various works using an acid without inhibiting the effect of the acid; and an aqueous temporary antirusting agent capable of temporarily protecting metallic material against attack by an acid, wherein X and Y represent each H or methyl; Z represents H, OH, or alkyl; R1 and R2 represent each H, or alkyl or hydroxyalkyl each having 1 to 20 carbon atoms; R3 represents H, methyl or ethyl; and n is an integer of 0 to 18.
Inventors:
YONEKURA AKI (JP)
HATANAKA TOSHIFUMI (JP)
KAWAMURA TETSUSHI (JP)
HATANAKA TOSHIFUMI (JP)
KAWAMURA TETSUSHI (JP)
Application Number:
PCT/JP1996/002793
Publication Date:
April 03, 1997
Filing Date:
September 26, 1996
Export Citation:
Assignee:
ELF ATOCHEM SOCIETE ANONYME (FR)
ELF ATOCHEM JAPAN CO LTD (JP)
YONEKURA AKI (JP)
HATANAKA TOSHIFUMI (JP)
KAWAMURA TETSUSHI (JP)
ELF ATOCHEM JAPAN CO LTD (JP)
YONEKURA AKI (JP)
HATANAKA TOSHIFUMI (JP)
KAWAMURA TETSUSHI (JP)
International Classes:
C09D5/08; C23F11/04; C23F11/16; (IPC1-7): C23F11/16; C23F11/04
Foreign References:
| JPH07300452A | 1995-11-14 | |||
| JPH0199039A | 1989-04-17 | |||
| JPH0194346A | 1989-04-13 | |||
| JPS4413243B1 | ||||
| JPS4413244B1 |
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