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:
Jun. 30, 1987
Filed:
Aug. 11, 1986
Applicant:
Inventor:
Leonard Dubin, Skokie, IL (US);
Assignee:
Nalco Chemical Company, Naperville, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210696 ; 210750 ; 210757 ; 25218828 ; 422 12 ; 422 19 ;
Abstract
Concentrated solutions of sodium sulfite and related compounds can be inhibited against sodium sulfate precipitation by substituting potassium for a portion of the sodium contained in such compounds. A typical concentrate would contain a water-soluble sulfite mixture comprising sodium and potassium sulfite with the sodium to potassium ratio ranging between 1:1 to 15:1.