Patent · US Expired

Condensating-fractionating tower system

US6023943A · kind A · utility

3Cited by
4References
8Claims
0Family size

Assignees

Inventors

Key dates

Filing dateMay 14, 1998
Grant dateFeb 15, 2000
Priority date
Expiry dateMay 14, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S62/903
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

An improved condensating-fractionating tower system used in the separation of gaseous mixture, comprising a dephlegmator, a column section and a tower bottom, the said dephlegmator being provided in the upper portion of the tower, is characterized in that the dephlegmator is a plate-fin dephlegmator.

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