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. 13, 2022
Filed:
Aug. 01, 2018
Applicant:
United Utilities Plc, Warrington, GB;
Inventor:
Minh Son Le, Warrington, GB;
Assignee:
UNITED UTILITIES PLC, Warrington, GB;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C02F 11/00 (2006.01); C12N 15/10 (2006.01); C07K 1/14 (2006.01); C07K 1/30 (2006.01); C07K 9/00 (2006.01); C02F 1/36 (2006.01); C02F 1/54 (2006.01);
U.S. Cl.
CPC ...
C02F 11/00 (2013.01); C07K 1/14 (2013.01); C07K 1/30 (2013.01); C07K 9/00 (2013.01); C12N 15/1003 (2013.01); C02F 1/36 (2013.01); C02F 1/54 (2013.01); C02F 2303/06 (2013.01); C02F 2303/26 (2013.01); Y02W 10/40 (2015.05);
Abstract
A method of preparing and separating biopolymers and biopolymer fractions is useful for wastewater treatment applications from sewage sludge. The method comprising the steps of disrupting the bacterial cell walls of bacteria present in the sewage sludge by at least 75% to release the intracellular contents of the bacterial cells and separating the biopolymers from any contaminants present.