Patent · US Expired

Cold trap vapor control device

US4936953A · kind A · utility

2Cited by
26References
15Claims
0Family size

Inventors

Key dates

Filing dateMay 22, 1989
Grant dateJun 26, 1990
Priority date
Expiry dateMay 22, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S159/42
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A cold trap vapor control system for use in vapor control systems having a heat removal channel and a heat removal surface area arranged so that during operation a narrow or contoured path is formed for vapors therebetween such that condensation takes place in the path and condensate is thereby drained away from the trap, or utilized to improve vapor containment.

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