PROCESS FOR THE PURIFICATION OF 1,3-PROPANEDIOL.
Application IN/PCT/2001/00158/MUM published 2006-05-05, filed 2001-02-13
The invention relates to a process for the purification of 1,3-propanediol consisting essentially of the sequential steps of: a) treating 1,3-propanediol with an acid catalyst at a temperature of 130 to 160ºC such that the impurities react: b) removing the acid catalyst: and c) isolating purified 1,3-propanediol from impurities by distillation. Drawing: Nil Total Pages: 10.
Applicant
E. I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET, WILMINGTON, DELAWARE 19898, UNITED STATES OF AMERICA.
Inventor
1. HARI BABU SUNKARA 2. ROBERT JOHN UMILE II
International Info
Classification: C07C 29/80, 29/88
Publication Number: WO 00/10953
Application Date: 1999-08-18
Priority Information
60/096,939 U.S.A. 1998-08-18