发明名称 |
Individual beta-form crystals of tetrakis-[3-(3,5-di-t-butyl-4-hydroxyphenyl)-propionyloxymethyl] methane and process for their manufacture. |
摘要 |
A new crystal form of tetrakis-Ä3-(3,5-di-t-butyl-4-hydroxyphenyl)-propionyloxymethylÜ-methane is disclosed. It is an individual beta -modification crystal form in substantially parallelepipedal to cubic shape. A method of preparation of this new crystal form is likewise disclosed.
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申请公布号 |
EP0244361(A2) |
申请公布日期 |
1987.11.04 |
申请号 |
EP19870810265 |
申请日期 |
1987.04.24 |
申请人 |
CIBA-GEIGY AG |
发明人 |
MITSUKUNI, TOKUNAGA |
分类号 |
C07C67/52;C07C69/732;(IPC1-7):C07C69/732 |
主分类号 |
C07C67/52 |
代理机构 |
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