Patent · US Expired

Removal of volatile contaminants from the vadose zone of contaminated ground

US4593760A · kind A · utility

80Cited by
19References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 4, 1984
Grant dateJun 10, 1986
Priority date
Expiry dateJan 4, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02A20/00
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

Volatile contaminants are removed from the vadose zone of contaminated ground by pumping volatilized contaminants from the vadose zone using one or more vacuum extraction wells.

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