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:
Oct. 31, 2006
Filed:
Apr. 23, 2003
Kazunori Kataoka, Tokyo, JP;
Yukio Nagasaki, Moriya, JP;
Hidenori Otsuka, Tsukuba, JP;
Atsuhiko Ogura, Tsuchiura, JP;
Takehiko Ishii, Washimiya-machi, JP;
Hisato Hayashi, Matsudo, JP;
Teppei Uno, Hitachi, JP;
Kazunori Kataoka, Tokyo, JP;
Yukio Nagasaki, Moriya, JP;
Hidenori Otsuka, Tsukuba, JP;
Atsuhiko Ogura, Tsuchiura, JP;
Takehiko Ishii, Washimiya-machi, JP;
Hisato Hayashi, Matsudo, JP;
Teppei Uno, Hitachi, JP;
Japan Science and Technology Agency, Saitama, JP;
NOF Corporation, Tokyo, JP;
Abstract
A crosslinked polymer or polymer fine particles which can be obtained through copolymerization of at least a macromonomer having a polyethylene glycol segment, a comonomer having tertiary amine groups in its side chains and a crosslinking agent are provided. Said crosslinked polymer can be provided in the form of polymer nano- or micro-spheres; and also as conjugate nano- or micro-spheres with their core parts fixing or encapsulating metal or semiconductor ultrafine particles.