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:
Mar. 21, 1989
Filed:
Feb. 18, 1987
Applicant:
Inventors:
Sakae Katayama, Osaka, JP;
Tadahiko Asano, Sennan, JP;
Masatsune Okuma, Kyoto, JP;
Keisyo Nakanishi, Nara, JP;
Assignee:
Katayama Chemical Works Ltd., Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
5263184 ;
Abstract
A scale inhibitor containing as its active component a copolymer comprising acrylic acid, methacrylic acid and a C.sub.1-8 alkyl ester of (meth)acrylic acid, the copolymer being