发明名称 PERLES D'UN COMPOSE PHENOLIQUE ET LEUR PROCEDE D'OBTENTION
摘要 The present invention relates to a novel presentation of a phenolic compound in the solid form. More particularly, the invention provides beads of hydroquinone. The invention also pertains to the preparation of said beads. The process of the invention is characterized in that a hot concentrated aqueous solution of a phenolic compound is prepared, then the solution is fragmented into droplets and the droplets obtained are cooled in a gas stream so that they solidify into beads which are then recovered and dried.
申请公布号 FR2846324(B1) 申请公布日期 2006.07.07
申请号 FR20020013453 申请日期 2002.10.28
申请人 RHODIA CHIMIE 发明人 LE THIESSE JEAN CLAUDE
分类号 C07C39/08;C07C37/70;C08K5/053;G03C1/42 主分类号 C07C39/08
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