| 发明名称 |
FREMGANGSMAATE OG MATERIALE TIL FJERNING AV TRYKKSVERTE FRA AVFALLSPAPIR |
| 摘要 |
<p>A process and composition for deinking electrostatic printed wastepaper is disclosed. The process comprises administering a surfactant to a sample of electrostatic printed wastepaper for which treatment is desired. The composition comprises a synergistic combination of (1) aliphatic petroleum distillates and surfactants, or alternatively, (2) individual surfactants.</p> |
| 申请公布号 |
NO921462(D0) |
申请公布日期 |
1992.04.13 |
| 申请号 |
NO19920001462 |
申请日期 |
1992.04.13 |
| 申请人 |
BETZ EUROPE INC |
发明人 |
RICHMANN, SANDRA K.;LETSCHER, MARY BETH |
| 分类号 |
D21C5/02;(IPC1-7):D21C5/02 |
主分类号 |
D21C5/02 |
| 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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