The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 10, 1992
Filed:
Oct. 24, 1990
Friedrich Rosenstock, Frankfurt am Main, DE;
Jochen Guntner, St. Andreasberg, DE;
Elmar Haite, Frankfurt am Main, DE;
Metallgesellschaft AG, Frankfurt am Main, DE;
Abstract
To decontaminate contaminated soil, a layer of the soil is formed on a gas-permeable support in a pressure housing, steam at a temperature from 100.degree. to 190.degree. C. and under a pressure from 1 to 12 bars is fed to the pressure housing and is passed through the layer, the vapor leaving the layer is withdrawn from the pressure housing and condensed. The condensate is purified and the solids are carried away as decontaminated soil.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile