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:
Sep. 14, 1993
Filed:
Apr. 25, 1991
Applicant:
Inventors:
Toshio Yamamoto, Yokohama, JP;
Hisao Ogawa, Zushi, JP;
Toshiya Kitamura, Yokohama, JP;
Yoshiaki Matsukura, Yokohama, JP;
Assignee:
Nippon Oil and Fats Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
5253297 ; 252356 ; 252357 ; 5253299 ; 525260 ; 525263 ; 525301 ; 525302 ; 525306 ; 525312 ;
Abstract
A pigment dispersing agent for paints is constituted with a particular acrylic polymer component having a tertiary amino group and/or a nitrogen-containing heterocyclic ring and a particular polyester component, and has particular number average molecular weight and amine value. This pigment dispersing agent is applicable to both acrylic resin series and polyester resin series paints as well as thermosetting type paints.