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:
Jul. 13, 1993
Filed:
May. 13, 1991
Applicant:
Inventors:
Sam F Eltomi, Kansas City, MO (US);
Keith O Wise, Mobile, AL (US);
Assignee:
Ashchem. I.P., Columbus, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
436 55 ; 436 50 ; 422 62 ; 422 37 ;
Abstract
A method and apparatus for the automatic control of oxidative treatment of material with chlorine dioxide. The method and apparatus of the invention automatically adjust the amount of chlorine dioxide applied to the system being treated by a multiple feed-back loop system to provide adequate oxidative treatment while avoiding overfeed or underfeed conditions.