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. 28, 2009
Filed:
Dec. 24, 2003
Applicants:
Sachiko Tokumura, Osaka, JP;
Kenichi Kitano, Osaka, JP;
Toshiaki Masuda, Osaka, JP;
Katsushi Miki, Osaka, JP;
Inventors:
Sachiko Tokumura, Osaka, JP;
Kenichi Kitano, Osaka, JP;
Toshiaki Masuda, Osaka, JP;
Katsushi Miki, Osaka, JP;
Assignee:
Matsumoto Yushi-Seiyaku Co., Ltd., Yao-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
Thermo-expansive microcapsule comprising: a polymeric shell produced by polymerizing 15 to 75 weight % of a nitrile monomer, 10 to 65 weight % of a monomer having a carboxyl group, 0.1 to 20 weight % of a monomer having an amide group and 0.1 to 20 weight % of a monomer having a cyclic structure in its side chain; and a blowing agent encapsulated in the polymeric shell.