Patent · US Expired

Selective production of diethanolamine

US6075168A · kind A · utility

15Cited by
1References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 21, 1998
Grant dateJun 13, 2000
Priority date
Expiry dateAug 21, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/10
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

This invention concerns a process for the production of diethanolamine (DEA) by contacting monoethanolamine (MEA) and ethylene oxide (EO) in a reactive distillation column. The process may achieve high selectivity to DEA.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.