| 发明名称 |
Alpha crystals of tetrakis/3-¬3,5-di-tert-butyl-4-hydroxy-phenyl)propionyloxymethyl -methane which have good flowability and method of producing same |
| 摘要 |
<p>The invention provides alpha crystals of tetrakis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionyloxymethyl]methane that occur as round granular crystals with high purity, uniform grain size, narrow grain size distribution and good flowability.</p> |
| 申请公布号 |
EP0401773(A2) |
申请公布日期 |
1990.12.12 |
| 申请号 |
EP19900110665 |
申请日期 |
1990.06.06 |
| 申请人 |
YOSHITOMI PHARMACEUTICAL INDUSTRIES, LTD. |
发明人 |
MARUTANI, MASAYOSHI;IZUMI, FUMIHIDE;OKA, KUNIHIDE |
| 分类号 |
C07C69/732;C07C67/52 |
主分类号 |
C07C69/732 |
| 代理机构 |
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| 主权项 |
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