发明名称 |
INDICATOR MATERIAL |
摘要 |
<p>INDICATOR MATERIAL 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.</p> |
申请公布号 |
CA1150609(A) |
申请公布日期 |
1983.07.26 |
申请号 |
CA19800353292 |
申请日期 |
1980.06.03 |
申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
ANDERS, LEON W.;WEIGEL, DAVID C. |
分类号 |
G01N31/22;(IPC1-7):G01N21/78 |
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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