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.:

US 6579445 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 17, 2003

Filed:

Jun. 01, 2001
Applicant:
Inventors:

Charles T. Nachtman, Dubuque, IA (US);

William P. Johll, Jr., Dubuque, IA (US);

Helmut R. H. Gideon, Dubuque, IA (US);

Timothy T. Dunwoody, Dubuque, IA (US);

Jamie C. Carr, Dubuque, IA (US);

Thomas Scholz, Mt. Sinai, NY (US);

Assignee:

Sartorius AG, Goettingen, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02F 9/12 ;
U.S. Cl.
CPC ...
C02F 9/12 ;
Abstract

There is disclosed a system capable of purifying water to a laboratory grade level that uses redox media, high energy catalytic activated carbon, ultraviolet radiation and high purity ion exchange media in series filtration. The system produces purified water having a specific resistance of at least 18.2 megohm·cm at 25° C. with low organic carbon content. The system is designed to be fabricated on a sufficiently small scale to fit on a lab bench top.


Find Patent Forward Citations

Nachtman, Charles. (2003). System for the production of laboratory grade ultrapure water (U.S. Patent No. 6579445). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6579445

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