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:
Sep. 14, 2004
Filed:
Jul. 11, 2003
Applicant:
Inventors:
Tom L. Young, Tucson, AZ (US);
Michael G. Greene, Tucson, AZ (US);
Dennis R. Rice, Oracle, AZ (US);
Kelly L. Karlage, Tucson, AZ (US);
Sean P. Premeau, Tucson, AZ (US);
Janet M. Cassells, Tucson, AZ (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 1/776 ;
U.S. Cl.
CPC ...
C01B 1/776 ;
Abstract
A process and apparatus for the biological production of sulfuric acid are provided. The invention utilizes a pile containing a sulfur material, an acidophilic microbe and, preferably, a packing material. The pile is aerated and contacted with an aqueous solution.