Patent · US Expired

Cryogenic rectification system for producing high pressure gaseous oxygen and liquid product

US5655388A · kind A · utility

27Cited by
14References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 27, 1995
Grant dateAug 12, 1997
Priority date
Expiry dateJul 27, 2015

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF25J2245/42
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A cryogenic rectification system wherein liquid oxygen from a cryogenic air separation plant is pressurized and then vaporized in a high pressure liquefier producing product high pressure oxygen gas and generating liquid nitrogen for enhanced liquid product production.

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