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.

Date of Patent:
Feb. 13, 1990

Filed:

Apr. 03, 1989
Applicant:
Inventors:

Gregory A Pittner, Yorba Linda, CA (US);

Larry L Crabtree, Lincolnshire, IL (US);

Assignee:

Arrowhead Industrial Water, Inc., Lincolnshire, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55 55 ; 55 68 ;
Abstract

Ozonated water may desirably have the concentration of oxygen present reduced by agitating the water at less than atmospheric pressure to remove dissolved gases. Substantially more oxygen may be removed from the water than ozone by this technique, to provide a product water which has advantages of use in electronic manufacturing operations.


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