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:
Oct. 08, 2013
Filed:
May. 07, 2009
Applicants:
Patrick J. Evans, Seattle, WA (US);
Karl Hopfensperger, Birmingham, AL (US);
Inventors:
Patrick J. Evans, Seattle, WA (US);
Karl Hopfensperger, Birmingham, AL (US);
Assignee:
CDM Smith Inc., Cambridge, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
B09C 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method is provided for stimulating anaerobic degradation of a subsurface contaminant, comprising the steps of vaporizing liquefied petroleum gas (LPG) to form a treating gas and directing the treating gas to at least one subsurface injection site that includes the subsurface contaminant; wherein the treating gas stimulates anaerobic degradation of at least a portion of the subsurface contaminant.