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.

Date of Patent:
Apr. 03, 1990

Filed:

Oct. 14, 1988
Applicant:
Inventors:

Richard J Lipinski, Aurora, OH (US);

Kelvin Y Chang, Solon, OH (US);

Assignee:

The Mogul Corporation, Chagrin Falls, OH (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210699 ; 134-3 ; 134 2219 ; 134 41 ; 210698 ; 252 82 ; 252180 ;
Abstract

This invention relates to a process of dissolving and removing silicate scale and particularly magnesium silicate scale and sludge from various aqueous systems, particularly boiler water and desalination systems by adding to the water effective amounts of at least one water-soluble phosphinocarboxylic acid. These polyphosphinocarboxylic acids and the salts thereof are added to the water in the aqueous system in amounts ranging up to about 50 thousand parts by weight per million and preferably in amounts ranging up to about 2000 parts by weight per million parts by weight of water either alone or in combination with at least one organic dispersant selected from the group consisting of nonionic and anionic dispersants.


Find Patent Forward Citations

Lipinski, Richard. (1990). Process for dissolving and removing scale from aqueous systems (U.S. Patent No. 4913823). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4913823

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

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