专利检索 ap:"Harumasa Tanabe" 第 1 页

1.

发明授权
Process for separating indole in refined form 失效
标题翻译：以精制形式分离吲哚的方法

公开(公告)号：US4966978A

公开(公告)日：1990-10-30

申请号：US363084

申请日：1989-06-08

申请人： Yoshiki Sato , Yoshitaka Yamamoto , Yutaka Mito , Harumasa Tanabe

发明人： Yoshiki Sato , Yoshitaka Yamamoto , Yutaka Mito , Harumasa Tanabe

IPC分类号： C07D209/04 , A61K8/49 , A61Q13/00 , B01D9/02 , C07D209/06 , C07D209/08 , C11B9/00 , C11B9/02

CPC分类号： C07D209/06 , C07D209/08

摘要： Described herein is a process for separating solid indole in refined form with an extremely high degree of purity from a mixture containing more than 50 wt % of indole, in which a pressure of 700-2500 atms is applied to the mixture in a high pressure vessel, and solid-liquid separation is effected continuedly under pressurized state with an initial temperature in the range of 50.degree.-65.degree. C.

摘要翻译： 本文描述了一种从含有大于50重量％的吲哚的混合物中以极高纯度分离精制形式的固体吲哚的方法，其中将700-2500atm的压力施加到高压容器中的混合物，并且在加压状态下连续进行固液分离，初始温度在50-65℃的范围内。

2.

发明授权
Process for separating methyl substituted naphthalene by crystallization under pressure 失效
标题翻译：在压力下通过结晶分离甲基取代萘的方法

公开(公告)号：US4992619A

公开(公告)日：1991-02-12

申请号：US320008

申请日：1989-03-07

申请人： Shunichi Koide , Shinji Aihara , Hiroshi Takeshita , Harumasa Tanabe , Masami Takao , Hitoshi Hatakeyama

发明人： Shunichi Koide , Shinji Aihara , Hiroshi Takeshita , Harumasa Tanabe , Masami Takao , Hitoshi Hatakeyama

IPC分类号： C07C1/00 , C07C7/00 , C07C7/14 , C07C7/177 , C07C15/24 , C07C67/00

CPC分类号： C07C7/14 , C07C7/005 , C07C7/177

摘要： The invention intends to separating a methyl derivative of naphthalene (2,6-dimethyl naphthalene or 2-methyl naphthalene) from a mixture material in a high purity more than 98 weight %. The starting material is preliminarily treated at a raised temperature up to 220.degree. c. at the highest and with LHSV of 0.1-6 Hr.sup.-1 in the presence of an acid catalyst usually used for olefin polymerization. The treated material is distillated to remove the polymerized impurities and to raise the naphthalene derivative content at least up to 50 weight %. And then the obtained material is subjected to the crystallization under a pressure of 500-2500 kgf/cm.sup.2 at a temperature of 80.degree.-150.degree. C. (for 2,6-DMN) or 10.degree.-35.degree. C. (for 2-MN).