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:
Dec. 02, 1997
Filed:
Dec. 13, 1995
Applicant:
Inventor:
William J Popp, Cedarburg, WI (US);
Assignee:
Great Lakes Instruments Inc., Milwaukee, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
204409 ; 204433 ; 204435 ; 204249 ; 204264 ; 204276 ; 2101981 ; 210199 ; 210924 ; 210925 ; 2057875 ;
Abstract
An apparatus for adjusting the pH of an electrolytically dissociated process stream is disclosed. The apparatus includes a matrix of pH adjusting chemical and an erosion rate modifier. The pH adjusting chemical is preferably citric acid and the erosion rate modifier is preferably polyethylene glycol. A porous material such as a sponge may be interposed between the matrix and the process stream to further modify the erosion rate.