发明授权
- 专利标题: Oxygen indicator
- 专利标题(中): 氧气指示器
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申请号: US886638申请日: 1978-03-15
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公开(公告)号: US4169811A公开(公告)日: 1979-10-02
- 发明人: Yoshio Yoshikawa , Takanari Nawata , Mikio Goto , Yuichi Fujii
- 申请人: Yoshio Yoshikawa , Takanari Nawata , Mikio Goto , Yuichi Fujii
- 申请人地址: JPX Tokyo
- 专利权人: Mitsubishi Gas Chemical Co., Inc.
- 当前专利权人: Mitsubishi Gas Chemical Co., Inc.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX52-31730 19770323; JPX52-35016 19770329; JPX52-137507 19771116
- 主分类号: C09B7/02
- IPC分类号: C09B7/02 ; C09B67/00 ; C12Q1/28 ; G01N31/22 ; C09K3/00 ; G01N21/12 ; G01N33/02
摘要:
An oxygen indicator comprising at least one dyestuff, at least one alkaline substance and at least one reducing agent is disclosed.
公开/授权文献
- US5866367A GIDB 公开/授权日:1999-02-02
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