Patent · US Expired

Natural gas treatment process using PTMSP membrane

US5501722A · kind A · utility

38Cited by
14References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 15, 1995
Grant dateMar 26, 1996
Priority date—
Expiry dateFeb 15, 2015

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D69/02
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A process for separating C.sub.3 + hydrocarbons, particularly propane and butane, from natural gas. The process uses a poly(trimethylsilylpropyne) membrane.

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