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. 17, 2009
Filed:
Sep. 28, 2006
Applicants:
Son Le, Warrington, GB;
Duc DO, Shatin, N.T., HK;
Assignee:
United Utilities PLC, Cheshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 11/02 (2006.01); C02F 3/28 (2006.01); C05F 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of treating putrescible cakes to reduce theand odor present in the cake and prevent further odor generation comprising the step of maintaining the cake under substantially anoxic condition in the presence of ammonium and/or nitrate moieties at pH 7.5 to pH 10.5 for a period of more than 1 day, the cake having a solids content of between 20% to 75% by weight.