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.
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
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