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:
Jul. 30, 2013
Filed:
Jun. 27, 2012
Applicants:
Chikara Kawamura, Hiratsuka, JP;
Kisheong Han, Hiratsuka, JP;
Inventors:
Chikara Kawamura, Hiratsuka, JP;
Kisheong Han, Hiratsuka, JP;
Assignee:
Kansai Paint Co., Ltd., Hyogo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08L 1/02 (2006.01); C08L 1/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a dispersion comprising an acryl-modified cellulose ester derivative (D) dispersed in an aqueous medium, wherein a hydrophobic acrylic resin (B) and a hydrophilic acrylic resin (C) are grafted onto a cellulose ester derivative (A) in the acryl-modified cellulose ester derivative (D). The dispersion has excellent long-term storage stability, and aqueous coating compositions comprising the dispersion can form coating films with excellent coating workability, solvent resistance, chemical resistance, water resistance, and excellent curability.