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:
Jan. 10, 2012
Filed:
Jul. 23, 2010
Masato Minami, Yokohama, JP;
Tatsuki Fukui, Yokohama, JP;
Takashi Kenmoku, Mishima, JP;
Tetsuya Yano, Tokyo, JP;
Takeshi Ikeda, Suntoh-gun, JP;
Norikazu Fujimoto, Susono, JP;
Atsushi Tani, Suntoh-gun, JP;
Masato Minami, Yokohama, JP;
Tatsuki Fukui, Yokohama, JP;
Takashi Kenmoku, Mishima, JP;
Tetsuya Yano, Tokyo, JP;
Takeshi Ikeda, Suntoh-gun, JP;
Norikazu Fujimoto, Susono, JP;
Atsushi Tani, Suntoh-gun, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
Provided are a novel polymer having a sulfonic group, a sulfonic acid ester group, or a derivative thereof incorporated therein, a method of producing the polymer, and a novel compound suitable for producing the polymer. A polymer is characterized by containing a unit represented by the following formula (1): wherein Rand Rare each independently a halogen atom or a hydrogen atom, Ris a CHgroup or a hydrogen atom, and any one of R, R, and Ris a sulfonate group represented by SOR.