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:
May. 20, 2003
Filed:
Apr. 27, 1999
Applicant:
Inventors:
James R. Bolton, Ontario, CA;
R. D. Samuel Stevens, Moon Township, PA (US);
Bertrand Dussert, Pittsburgh, PA (US);
Assignee:
Calgon Carbon Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/32 ;
U.S. Cl.
CPC ...
C02F 1/32 ;
Abstract
A method for the inactivation of Cryptosporidium oocysts, Giardia cysts and similar organisms comprising irradiating water with ultraviolet light in doses of from about 1 mJ/cm to about 175 mJ/cm .