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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 5594084 B1

PDFFull Text
Date of Patent:
Jan. 14, 1997

Filed:

Dec. 08, 1995

Alkyl-allylphosphonate copolymer used for boiler water treatment

Applicant:
Inventors:

Scott M Boyette, Wilmington, DE (US);

Alan E Goliaszewski, The Woodlands, TX (US);

Assignee:

BetzDearborn Inc., Trevose, PA (US);

Attorneys:

Ricci; Alexander D.

Boyd; Steven D.

Primary Examiner:

Joseph L Schofer

Assistant Examiner:

N Sarofim

Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526278 ;
Abstract

A water soluble isopropenylphosphonic acid copolymer composition and method of use thereof are disclosed. The copolymer comprises repeat units (a) of the formula: ##STR1## wherein X=OH or OM, wherein M is a cation, and repeat units (b) of the formula: ##STR2## wherein R.sub.1 and R.sub.2 are independently hydrogen, C.sub.1-10 linear or branched alkyl, phenyl or alkyl substituted phenyl. The copolymers are effective in inhibiting the precipitation of scale forming salts and also act to inhibit corrosion in boiler water systems.

Find Patent Forward Citations

Boyette, Scott. (1997). Alkyl-allylphosphonate copolymer used for boiler water treatment (U.S. Patent No. 5594084). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5594084

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