发明授权
- 专利标题: Method of extracting hexavalent chromium
- 专利标题(中): 六价铬提取方法
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申请号: US11666268申请日: 2006-04-12
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公开(公告)号: US08157982B2公开(公告)日: 2012-04-17
- 发明人: Hideo Yoshida , Morihisa Shindo
- 申请人: Hideo Yoshida , Morihisa Shindo
- 申请人地址: JP Saitama
- 专利权人: Hideo Yoshida
- 当前专利权人: Hideo Yoshida
- 当前专利权人地址: JP Saitama
- 代理机构: Jordan and Hamburg LLP
- 优先权: JP2005-144858 20050518
- 国际申请: PCT/JP2006/007708 WO 20060412
- 国际公布: WO2006/123489 WO 20061123
- 主分类号: C25F5/00
- IPC分类号: C25F5/00
摘要:
Hexavalent chrome is extracted from a film on a workpiece which film contains hexavalent chrome and reduced by contacting the contacting workpiece with a liquid or fine particle reducing agent.
公开/授权文献
- US20080087553A1 Method of Extracting Hexavalent Chromium 公开/授权日:2008-04-17