专利检索 ap:("Johan Adrianus Aarssen" OR "Gerrit Op Den Dries" OR "Ad Nieuwlaat" OR "Marcel Vieveen" OR "Rudy Francois Alain Joseph Peemans") AND inv:"Johan Adrianus Aarssen" 第 1 页

1.

发明授权
Descaling of bisphenol-A reactor using water 失效
标题翻译：用双酚A反应器除水

公开(公告)号：US6011184A

公开(公告)日：2000-01-04

申请号：US55590

申请日：1998-04-06

申请人： Johan Adrianus Aarssen , Gerrit Op Den Dries , Ad Nieuwlaat , Marcel Vieveen , Rudy Francois Alain Joseph Peemans

发明人： Johan Adrianus Aarssen , Gerrit Op Den Dries , Ad Nieuwlaat , Marcel Vieveen , Rudy Francois Alain Joseph Peemans

IPC分类号： C07C37/20 , C07C37/84 , C07C39/16 , C07C39/12 , C07C37/68

CPC分类号： C07C37/84 , C07C37/20 , Y02P20/125

摘要： An integrated process for the preparation and recovery of BPA in pure form utilizes a series of steps to crystallize the 1:1 adduct of phenol and bisphenol-A, with periodic descaling of the crystallizer surfaces with a modified reactor/crystallizer containing 1 to 40 percent water.

摘要翻译： 以纯形式制备和回收BPA的综合方法采用一系列步骤，使苯酚和双酚A的1:1加合物结晶，同时用改性反应器/结晶器定期除锈结晶器，该改性反应器/结晶器含有1〜40％水。