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:
Mar. 26, 1991
Filed:
Nov. 17, 1989
Applicant:
Inventors:
Guy A Crucil, Bloomingdale, IL (US);
Daniel A Meier, Naperville, IL (US);
Assignee:
Nalco Chemical Company, Naperville, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23F / ;
U.S. Cl.
CPC ...
25238923 ; 25238954 ; 252390 ;
Abstract
A process for inhibiting the corrosion of metals in contact with aqueous systems is provided which process comprises adding to such systems an effective amount of a water treatment composition comprising a source of molybdate ion and a water-soluble polymer containing pendant amide functionality.