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:
Feb. 23, 2010
Filed:
May. 17, 2004
Applicants:
Kenjin Shiba, Uji, JP;
Shoji Okamoto, Uji, JP;
Masafumi Yamada, Uji, JP;
Inventors:
Assignee:
Unitika Ltd., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/16 (2006.01); C08L 31/00 (2006.01); C08L 33/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
An aqueous polyolefin resin dispersion, a process for producing the same, and a water-based coating material comprising the same are provided. The aqueous polyolefin resin dispersion contains a polyolefin resin containing 50 to 98% by mass of an unsaturated hydrocarbon having 3 to 6 carbon atoms and 0.5 to 20% by mass of an unsaturated carboxylic acid unit, and a basic compound, and contains substantially no water-compatibilizing agent having a boiling point of 185° C. or higher at normal pressure. The polyolefin resin has a number average particle size of 1 μm or smaller in the aqueous dispersion.