A PROCESS FOR MAKING BIS
Application IN/PCT/2000/00215/MUM published 2006-09-15, filed 2000-07-24
This invention relates to an improved transesterification process for the preparation of bis(3-hydroxypropyl) terephthalate monomer from 1,3-propanediol and a dialkyl terephthalate using a lanthanum compound transesterification catalyst Drawing: 05 Sheets. Total Pages: 28 (FIG.-NIL)
Applicant
E.I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET, WILMINGTON, DELWARE 19898, UNITED STATES OF AMERICA
Inventor
1. JOSEPH VARAPADAVIL KURIAN 2. YUANFENG LIAND
International Info
Classification: C07C 67/03, 69/82
Publication Number: WO 99/47483
Priority Information
09/042 U.S.A. 1998-03-16