Invention Grant
- Patent Title: Solution for reducing the blackening or tarnishing of a metal sheet and metal sheet
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Application No.: US14371642Application Date: 2012-01-10
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Publication No.: US10704157B2Publication Date: 2020-07-07
- Inventor: Daniel Chaleix , Christian Allely , Maxime Monnoyer , Pascale Feltin
- Applicant: Daniel Chaleix , Christian Allely , Maxime Monnoyer , Pascale Feltin
- Applicant Address: ES Sestao Bizkaia
- Assignee: ARCELORMITTAL INVESTIGACIÓN Y DESARROLLO, S.L.
- Current Assignee: ARCELORMITTAL INVESTIGACIÓN Y DESARROLLO, S.L.
- Current Assignee Address: ES Sestao Bizkaia
- Agency: Davidson, Davidson & Kappel, LLC
- International Application: PCT/FR2012/000013 WO 20120110
- International Announcement: WO2013/104835 WO 20130718
- Main IPC: C23C22/68
- IPC: C23C22/68 ; C23C22/53 ; C25D11/34 ; C25D5/48 ; C23C22/00 ; C25D11/02
Abstract:
The present invention provides an aqueous treatment solution containing sulfate ions SO42− in a concentration greater than or equal to 0.01 mol/l, to treat sheet metal including a steel substrate coated on at least one face with a coating including at least zinc and magnesium to reduce blackening or tarnishing of the sheet metal during storage. The present invention also provides a sheet metal treated with a solution of this type.
Public/Granted literature
- US20150093594A1 Solution for Reducing the Blackening or Tarnishing of a Metal Sheet and Metal Sheet Public/Granted day:2015-04-02
Information query
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