| 发明名称 |
Process for producing colored paper using granulated dye compositions |
| 摘要 |
A process for the dyeing of paper with granulated dyeing preparations, preferably dissolved in water. For the process granulated dyeing preparations are used which consist of (a) a dye soluble to at least 2% in water at 25 DEG C.
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| 申请公布号 |
US4198268(A) |
申请公布日期 |
1980.04.15 |
| 申请号 |
US19750605971 |
申请日期 |
1975.08.20 |
| 申请人 |
SANDOZ AG |
发明人 |
FREI, ALFRED;MOSER, HELMUT;SCHOEFBERGER, GEORG;SCHWEIZER, AUGUST |
| 分类号 |
C09B31/02;C09B35/02;C09B43/14;C09B67/00;C09B67/24;C09B69/00;D21H21/28;(IPC1-7):D21H3/80 |
主分类号 |
C09B31/02 |
| 代理机构 |
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代理人 |
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