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:
Nov. 13, 1979
Filed:
Jul. 08, 1974
Applicant:
Inventors:
Lawrence Benjamin, Cincinnati, OH (US);
Jay H Saylor, Cincinnati, OH (US);
Vernon A Uchtman, Cincinnati, OH (US);
Assignee:
The Procter & Gamble Company, Cincinnati, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
C11D / ;
U.S. Cl.
CPC ...
252156 ; 252133 ; 252135 ; 252140 ; 252160 ; 252551 ;
Abstract
A composition of matter capable of rapidly reducing free metal ion concentration in an aqueous solution when added thereto containing a material capable of forming a water-insoluble reaction product with said free metal ions and a crystallization seed which provides growth sites for said reaction product so as to cause rapid precipitation of said reaction product. The rapid precipitation of the reaction product has the effect of rapidly reducing the free metal ion concentration of the aqueous solution.