发明名称 |
INDICATOR MATERIAL |
摘要 |
Indicator material for monitoring personal exposure to hazardous substances in ambient air comprising a pigment material, a binder and a sensitizer coated upon a transparent support member as a porous coating which permits gaseous diffusion throughout the coating is disclosed. Detection or monitoring is effected when the indicator material undergoes a visually observable reaction with hazardous material in the atmosphere at room temperature. |
申请公布号 |
DE3065268(D1) |
申请公布日期 |
1983.11.17 |
申请号 |
DE19803065268 |
申请日期 |
1980.06.11 |
申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
ANDERS, LEON, W.;WEIGEL, DAVID C. |
分类号 |
G01N31/22;(IPC1-7):01N31/22;01N21/78 |
主分类号 |
G01N31/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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