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:
Apr. 08, 2014
Filed:
Dec. 08, 2008
Applicants:
Kalyan Kumar Das, Pune, IN;
Chetan Premkumar Malhotra, Pune, IN;
Inventors:
Kalyan Kumar Das, Pune, IN;
Chetan Premkumar Malhotra, Pune, IN;
Assignee:
Tata Consultancy Services Ltd., Mumbai, IN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 20/20 (2006.01); B01D 39/00 (2006.01); B01J 20/02 (2006.01); C02F 1/28 (2006.01);
U.S. Cl.
CPC ...
B01J 20/20 (2013.01); B01J 20/0233 (2013.01); B01D 39/00 (2013.01); C02F 1/28 (2013.01);
Abstract
The invention relates to a composition for treatment of water comprising rice husk ash and at least one bactericidal agent bonded to the rice husk ash. The bactericidal agent bonded to the rice husk ash is preferably silver and more particularly the bactericidal agent is nano silver. The invention also relates to a method of water purification using a composition comprising rice husk ash and at least one bactericidal agent bonded to the rice husk ash.