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:
Dec. 14, 1999
Filed:
Jan. 29, 1998
Applicant:
Inventors:
Takashi Suzuki, Tokyo, JP;
Hideo Morinaga, Tokyo, JP;
Katsuhiro Ishikawa, Tokyo, JP;
Akihide Hirano, Tokyo, JP;
Assignees:
Kurita Water Industries Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210697 ; 210699 ; 210701 ; 252180 ; 252181 ; 422 15 ; 422 16 ; 422 17 ;
Abstract
A water-treating agent comprising a ternary copolymer of conjugated dienesulfonic acid/(meth)acrylic acid/2-hydroxyethyl (meth)acrylate, or a ternary copolymer of conjugated dienesulfonic acid/(meth)acrylic acid/(meth)acrylamido-2-methylalkanesulfonic acid ternary copolymer, is effective against scaling and fouling in water systems and a method for treating water with the water-treating agent. When combined with a corrosion inhibitor, the water-treating agent exhibits an excellent anti corrosion effect.