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:
Nov. 14, 1995
Filed:
Aug. 11, 1994
Applicant:
Inventors:
Bertrand W Dussert, Pittsburgh, PA (US);
Richard W Farmer, Gibsonia, PA (US);
Richard A Hayden, Pittsburgh, PA (US);
Assignee:
Calgon Carbon Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210660 ; 210691 ; 210694 ;
Abstract
An oxidized activated carbon having a contact pH between 7.1 and 8.2 for general use in aqueous treatment systems to prevent pH and alkalinity excursions during start-up of the system and an oxidized activated carbon having a contact pH between 6.0 and 9.5 for specific use in aqueous treatment systems to control pH and alkalinity changes during water treatment.