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:
Oct. 03, 2000
Filed:
Nov. 20, 1998
Applicant:
Inventors:
Matthew M Hunter, Holland, PA (US);
Gregory J Pomrink, Lansdale, PA (US);
Stephen M Kessler, Fairless Hills, PA (US);
Bruce K Fillipo, Hatboro, PA (US);
Assignee:
BetzDearborn Inc., Trevose, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ; C09K / ;
U.S. Cl.
CPC ...
25238952 ; 25238953 ; 25238954 ; 210698 ;
Abstract
A method of stabilizing aqueous system solubility of a transition metal salt, polymeric agent corrosion/deposition control combination at neutral pH is disclosed. The addition of an aliphatic hydroxycarboxylic acid to such corrosion/deposition control combinations was found to enhance corrosion/deposition inhibition while providing for a stabile combination at neutral pH.