| 发明名称 |
PROCESS FOR BLEACHING FIBROUS MATERIALS WITH OLIGOMERS OF PHOSPHONIC ACIDS AS STABILIZING AGENTS IN ALCALINE, PEROXIDE-CONTAINING BLEACHING BATHS |
| 摘要 |
Oligomers of the formula <IMAGE> wherein Y1 is hydrogen or -CO-T1, R1 Q1 and T1 are alkyl and n1 is 1 to 16, or alkali metal salts thereof, are used as stabilizers in peroxide-containing alkaline liquors for bleaching cellulosic fibre materials. |
| 申请公布号 |
EP0082823(B1) |
申请公布日期 |
1986.09.03 |
| 申请号 |
EP19820810551 |
申请日期 |
1982.12.17 |
| 申请人 |
CIBA-GEIGY AG |
发明人 |
SCHAFER, PAUL, DR.;BERENDT, HANS-ULRICH |
| 分类号 |
C11D7/54;C11D3/39;C11D7/36;D06L3/02 |
主分类号 |
C11D7/54 |
| 代理机构 |
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