Patent · US Expired

Method for recovering LPG boil off gas using LNG as a heat transfer medium

US7299643B2 · kind B2 · utility

0Cited by
15References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 21, 2005
Grant dateNov 27, 2007
Priority date
Expiry dateJul 21, 2025

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF25J2290/62
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A process for condensing a C3-C4 hydrocarbon vapor which comprises contacting the C3-C4 hydrocarbon vapor with a heat exchanger surface which is cooled by contact with LNG and recovering a liquefied C3-C4 product therefrom.

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