| 发明名称 |
PROCEDIMENTO PER LA PRODUZIONE DI PREPARATI DI NEROFUMO CONTENENTI ACQUA |
| 摘要 |
Beaded carbon black is disclosed with a water content of 30 to 80% by weight which are used for coloring of paper and concrete. The product has the advantage of dust-free handling and a higher jet black color compared to conventional carbon black powder. |
| 申请公布号 |
IT1129804(B) |
申请公布日期 |
1986.06.11 |
| 申请号 |
IT19800067318 |
申请日期 |
1980.02.29 |
| 申请人 |
DEUTSCHE GOLD & SILBER SCHEIDEANSTALT VORMALS ROESSLER |
发明人 |
KUHNER GERHARD;BERNDT WILHELM;ROTHBUHR LOTHAR;WAGNER HANS |
| 分类号 |
C04B14/02;C09C1/00;C09C1/56;C09C1/58;C09D17/00;D21H21/28;(IPC1-7):C09C/ |
主分类号 |
C04B14/02 |
| 代理机构 |
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