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. 30, 1976
Filed:
Mar. 08, 1972
Applicant:
Inventors:
Emerson George Rausch, Coraopolis, PA (US);
Ramon Anthony Muia, Coraopolis, PA (US);
Assignee:
Calgon Corporation, Pittsburgh, PA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210 52 ; 210 54 ; 252325 ;
Abstract
In the flocculation and removal of suspended matter from water, combinations of cationic and nonionic water-soluble polymers are found to be more effective than equivalent concentrations of cationics alone, and significantly lower concentrations of the combination are found to be equivalent in effect to higher concentrations of cationic polymers alone.