专利检索 ap:("Victor Mark, deceased" OR "Esther H. Mark, legal representative" OR "Carol M. Mark, legal representative") AND inv:"Carol M. Mark, legal representative" 第 1 页

1.

发明授权
Preparation of chromans 失效
标题翻译：着色剂的制备

公开(公告)号：US4749799A

公开(公告)日：1988-06-07

申请号：US869232

申请日：1986-06-02

申请人： Victor Mark, deceased , Esther H. Mark, legal representative , Carol M. Mark, legal representative

发明人： Victor Mark, deceased , Esther H. Mark, legal representative , Carol M. Mark, legal representative

IPC分类号： C07D311/58 , C07D311/04

CPC分类号： C07D311/58

摘要： Chromans such as Chroman-I are prepared by the reaction of a corresponding phenol with diacetone alcohol.

摘要翻译： 通过相应的苯酚与双丙酮醇的反应来制备染料染料如染料-I。