| 发明名称 |
GYPSUM PLASTER |
| 摘要 |
<p>The present invention provides a technical gypsum plaster having retarded setting time which contains 0.01 to 0.5% by weight D,L-tartaric acid and calcium hydroxide in such an amount that a 5% by weight aqueous suspension of the plaster has a pH value of at least 11.5</p> |
| 申请公布号 |
CA1065349(A) |
申请公布日期 |
1979.10.30 |
| 申请号 |
CA19760261362 |
申请日期 |
1976.09.16 |
| 申请人 |
DEUTSCHE GOLD- UND SILBER-SCHEIDEANSTALT VORMALS ROESSLER |
发明人 |
KNORRE, HELMUT;LANGER, MANFRED;LEIDL, PETER |
| 分类号 |
C04B24/06;C04B28/14;(IPC1-7):04B11/14 |
主分类号 |
C04B24/06 |
| 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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