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:
Jun. 22, 2010
Filed:
Dec. 16, 2005
Applicants:
Stephanie Edmunds, Willenhall West Midlands, GB;
Paul Douglas Gilbert, Whitstable Kent, GB;
Robert Eric Talbot, Cannock Staffordshire, GB;
Inventors:
Stephanie Edmunds, Willenhall West Midlands, GB;
Paul Douglas Gilbert, Whitstable Kent, GB;
Robert Eric Talbot, Cannock Staffordshire, GB;
Assignee:
Rhodia UK Limited, Watford Hertfordshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/50 (2006.01); C02F 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a method of reducing the pathogen content of sewage sludge comprising (a) adding to the sludge an effective amount of a phosphorous-containing compound and (b) keeping the phosphorous-containing compound in contact with the sludge for a sufficient time to reduce the amount of pathogens present in the sludge by an amount equivalent to a logarithmic reduction of 2 or more.