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:
May. 20, 1986
Filed:
Feb. 28, 1984
Applicant:
Inventors:
Assignee:
Kao Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02F / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
252180 ; 560198 ; 560199 ; 560200 ; 252 80 ;
Abstract
Disclosed is a novel copolymer of maleic acid or a salt thereof and an adduct of an oxyalkylene and allyl alcohol, a molar ratio being from 5/100 to 50/50, a molecular weight thereof being from 400 to 20,000. The copolymer is useful as a scale-preventing agent.