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. 08, 2009
Filed:
Sep. 30, 2004
Applicants:
Koichi Sato, Atsugi, JP;
Ikuo Nakazawa, Kawasaki, JP;
Sakae Suda, Yokohama, JP;
Ryuji Higashi, Kawasaki, JP;
Masayuki Ikegami, Atsugi, JP;
Keiichiro Tsubaki, Kawasaki, JP;
Inventors:
Koichi Sato, Atsugi, JP;
Ikuo Nakazawa, Kawasaki, JP;
Sakae Suda, Yokohama, JP;
Ryuji Higashi, Kawasaki, JP;
Masayuki Ikegami, Atsugi, JP;
Keiichiro Tsubaki, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 293/00 (2006.01); C08F 297/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A block polymer compound containing block segments, characterized in that at least one hydrophilic segment among the block segments is a copolymer segment composed of an ionic or hydrophilic repeating unit structure and a hydrophobic repeating unit structure.