| 发明名称 |
PROCESS FOR REGENERATING WASTEPAPER IN THE PRESENCE OF HYDROXYSULFONATE SALTS |
| 摘要 |
PCT No. PCT/EP90/01765 Sec. 371 Date Apr. 24, 1992 Sec. 102(e) Date Apr. 24, 1992 PCT Filed Oct. 18, 1990 PCT Pub. No. WO91/06701 PCT Pub. Date May 16, 1991.The invention relates to a process for regenerating wastepaper and to the use of certain hydroxysulfonate salts for removing printing ink from printed wastepaper and/or paper circuit waters.
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| 申请公布号 |
US5234545(A) |
申请公布日期 |
1993.08.10 |
| 申请号 |
US19920849401 |
申请日期 |
1992.04.24 |
| 申请人 |
HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN |
发明人 |
FABRY, BERND;SCHRECK, BERTHOLD;LIPHARD, MARIA |
| 分类号 |
C02F1/24;C02F9/00;D21C5/02 |
主分类号 |
C02F1/24 |
| 代理机构 |
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