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. 05, 2016
Filed:
Mar. 15, 2013
Applicant:
Calgon Carbon Corporation, Pittsburgh, PA (US);
Inventors:
Robert H. Vaughn, Bethel Park, PA (US);
Rebecca L. Distefano, McDonald, PA (US);
Assignee:
Calgon Carbon Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/28 (2006.01); B01J 20/30 (2006.01); B01J 20/20 (2006.01); C02F 1/66 (2006.01);
U.S. Cl.
CPC ...
B01J 20/3071 (2013.01); B01J 20/20 (2013.01); B01J 20/3085 (2013.01); C02F 1/281 (2013.01); C02F 1/283 (2013.01); C02F 1/66 (2013.01);
Abstract
Activated carbon having a low contact pH and their use in the purification of water, as well as methods for making such low contact pH activated carbon and filters and methods for purifying water are described herein. The methods for preparing such low contact pH activated carbons provides an effective and less costly means for preparing activated carbons for purification processes.