| 发明名称 |
PRODUCTION OF PIGMENTS |
| 摘要 |
A route for the production of a black pigment comprises making an aqueous solution of iron and manganese salts and reacting it with a base in the presence of a protective colloid to produce a granular precipitate. The colloid is preferably in the base but it may also be in the salt solution.
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| 申请公布号 |
US3655418(A) |
申请公布日期 |
1972.04.11 |
| 申请号 |
USD3655418 |
申请日期 |
1969.08.14 |
| 申请人 |
ATOMIC ENERGY AUTHORITY UK |
发明人 |
CLARENCE JAMES HARDY;EDWARD SYDNEY LANE;MERVYN JOHN HANNAM |
| 分类号 |
C09C1/24;(IPC1-7):C09C1/24;C08H17/04 |
主分类号 |
C09C1/24 |
| 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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