公开(公告)号：US09056821B2

公开(公告)日：2015-06-16

申请号：US14249875

申请日：2014-04-10

Applicant: SABIC Global Technologies B.V.

Inventor： Umesh Krishna Hasyagar ,  Rathinam Jothi Mahalingam ,  Kishan Gurram ,  Paul Eijsbouts

IPC: C07C37/20 ,  C07C37/84

CPC classification number: C07C37/20 ,  C07C37/84 ,  C07C39/16

Abstract: Methods for performing a condensation reaction are disclosed. Specifically, various methods for the production of highly-pure bisphenol-A are disclosed in which an attached promoter ion exchange resin catalyst system is combined with a solvent crystallization step.

Abstract translation: 公开了进行缩合反应的方法。 具体地说，公开了生产高纯度双酚-A的各种方法，其中将附着的促进剂离子交换树脂催化剂体系与溶剂结晶步骤组合。

公开(公告)号：US20140221697A1

公开(公告)日：2014-08-07

申请号：US14249875

申请日：2014-04-10

Applicant: SABIC Global Technologies B.V.

Inventor： Umesh Krishna Hasyagar ,  Rathinam Jothi Mahalingham ,  Kishan Gurram ,  Paul Eijsbouts ,  Johannes A.M. de Brouwer

IPC: C07C37/20

CPC classification number: C07C37/20 ,  C07C37/84 ,  C07C39/16

Abstract: Methods for performing a condensation reaction are disclosed. Specifically, various methods for the production of highly-pure bisphenol-A are disclosed in which an attached promoter ion exchange resin catalyst system is combined with a solvent crystallization step.

Abstract translation: 公开了进行缩合反应的方法。 具体地说，公开了生产高纯度双酚-A的各种方法，其中将附着的促进剂离子交换树脂催化剂体系与溶剂结晶步骤组合。