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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.:

US 5147555 B1

PDFFull Text
Date of Patent:
Sep. 15, 1992

Filed:

Jul. 30, 1991

Methods of controlling scale formation in aqueous systems

Applicant:
Inventors:

J Michael Brown, The Woodlands, TX (US);

John F McDowell, Willis, TX (US);

Kin-Tai Chang, Columbus, GA (US);

Assignee:

Betz Laboratories, Inc., Trevose, PA (US);

Attorneys:

Ricci; Alexander D.

Boyd; Steven D.

Primary Examiner:

Peter Hruskoci

Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210698 ; 252180 ;
Abstract

A method of treating water to inhibit the formation of scale is disclosed. The method is particularly effective at inhibiting the formation and deposition of calcium and barium scales in aqueous systems such as cooling water systems. The method comprises introducing into the aqueous system a polyepoxysuccinic acid of the general formula ##STR1## when n ranges from about 2 to about 11, M is hydrogen or a water soluble cation such as Na.sup.+, NH.sub.4.sup.+, or K.sup.+ and R is hydrogen, C.sub.1-4 alkyl or C.sub.1-4 substituted alkyl.

Find Patent Forward Citations

Brown, J. (1992). Methods of controlling scale formation in aqueous systems (U.S. Patent No. 5147555). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5147555

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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