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:
Sep. 16, 2003
Filed:
Apr. 05, 2002
Applicant:
Inventor:
Davor F. Zidovec, Jacksonville, FL (US);
Assignee:
Ashland Inc., Dublin, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 5/14 ;
U.S. Cl.
CPC ...
C02F 5/14 ;
Abstract
This invention relates to a method of inhibiting the growth of barium sulfate scaling by using a synergistic blend of (a) a polyphosphate with degree of polymerization between 6 and 21, and (b) a polyphosphate with degree of polymerization of 2-3 in a weight ratio of 3:1 to 1:2. The blend further includes a phosphino-acrylic polymer.