| 发明名称 |
Process for recovering colour television tube phosphors. |
| 摘要 |
<p>Recovery of colour t.v. tube phosphors involves breaking the chains of organic polymers (e.g. PVA) in the phosphor materials collected during screen mfr., the operation being carried out before washing the materials. Pref. chain-breaking is effected using a periodate.</p> |
| 申请公布号 |
EP0338911(A1) |
申请公布日期 |
1989.10.25 |
| 申请号 |
EP19890401062 |
申请日期 |
1989.04.18 |
| 申请人 |
VIDEOCOLOR |
发明人 |
PATEL, HIMANSHU;PEZZULO, ANTIMO |
| 分类号 |
C09K11/01;H01J9/227;H01J29/32 |
主分类号 |
C09K11/01 |
| 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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