| 发明名称 |
Colorants for ball point pen and ribbon inks derived from pararosaniline process residue |
| 摘要 |
Reddish-brown to yellow shade colorants suitable for ribbon and ball point inks are produced from the glassy waste by-product of pararosaniline manufacture.
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| 申请公布号 |
US4800043(A) |
申请公布日期 |
1989.01.24 |
| 申请号 |
US19870018299 |
申请日期 |
1987.02.24 |
| 申请人 |
BASF CORPORATION |
发明人 |
ALLEN, ROBERT J.;ROLANDO DE ALVARE, LOUIS;SPENCE, FLOYD G. |
| 分类号 |
C09D11/18;(IPC1-7):C09B11/10;C09B29/01;C09D11/02 |
主分类号 |
C09D11/18 |
| 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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