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. 21, 1995
Filed:
Oct. 20, 1994
Applicant:
Inventors:
Davor F Zidovec, Jacksonville, FL (US);
Alexander D Fisher, deceased, late of Jacksonville, FL (US);
Assignee:
Betz PaperChem, Inc., Jacksonville, FL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ; C02F / ;
U.S. Cl.
CPC ...
210697 ; 162 38 ; 162 45 ; 210698 ; 210701 ; 252180 ; 252181 ;
Abstract
A method of inhibiting scale formation in acidic aqueous systems where metal ions such as Al.sup.+3 and Fe.sup.+3 are present by employing a polyepoxysuccinic acid in combination with a metal ion binding material.