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:
Sep. 03, 2002

Filed:

Aug. 17, 1999
Applicant:
Inventors:

Shigeru Yamaguchi, Yao, JP;

Yoshihiro Maeda, Ibaraki, JP;

Tamao Ishida, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J 2/006 ;
U.S. Cl.
CPC ...
C08J 2/006 ;
Abstract

The present invention provides: an acrylic acid-maleic acid copolymer (or its salt) which is excellent in performances, such as Mg scavengeability, clay dispersibility in the presence of Mg , inhibitability upon Mg(OH) scale, and inhibitability upon CaCO scale; and a production process for such a copolymer (or its salt). The present invention further provides a production process for an aqueous maleic salt solution with a low impurity content which has the advantage of easily giving the above copolymer (or its salt). The present invention still further provides uses of the above copolymer (or its salt) having the above excellent properties.


Find Patent Forward Citations

Yamaguchi, Shigeru. (2002). Acrylic acid-maleic acid copolymer (or its salt), its production process and use, and production process for aqueous maleic salt solution with low impurity content (U.S. Patent No. 6444771). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6444771

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

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