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:
Jun. 04, 1996
Filed:
Jul. 13, 1994
Applicant:
Inventors:
Hideyuki Tahara, Osaka, JP;
Hiroshi Itoh, Kobe, JP;
Keiji Kofuji, Yamatokoriyama, JP;
Masahito Takagi, Takatsuki, JP;
Assignee:
Nippon Shokubai Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528271 ; 528292 ; 528306 ; 528499 ;
Abstract
A polymer comprising an .alpha.-glycol structure unit ##STR1## and a carboxylic acid-based structure unit ##STR2## provides superior results with respect to dispersibility, a chelating ability and a viscosity-stabilizing effect and is useful as a detergent builder, pigment- and cement-dispersing agents, a hydrogen peroxide stabilizer and a gas barrier agent. This polymer can further comprise the following lactone structure unit. ##STR3## This polymer can be produced by copolymerizing a conjugated diene monomer and a carboxylic acid-based monomer and oxidizing a copolymer obtained.