Title:
透明ゲルおよびそれからなるコンタクトレンズ
Document Type and Number:
Japanese Patent JP4810099
Kind Code:
B2
Abstract:
The present invention relates to a transparent gel, which has an interpenetrating polymer network of a copolymer containing a polysiloxane structure and a polycarbonate structure and a hydrophilic polymer obtained by polymerizing a hydrophilic monomer. For more details, the present invention has an object to provide a transparent gel useful as a cultivation substrate, a container for storage and an ophthalmic material, comprising an easily synthesizable and purifiable silicone-containing resin, wherein a gel strength, transparency, oxygen permeability, birefringence and other characteristics are excellent.
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Inventors:
Kazuhiko Nakata
Takahito Nakase
Takahiro Adachi
Akira Yamamoto
Masahiko Minemura
Takahito Nakase
Takahiro Adachi
Akira Yamamoto
Masahiko Minemura
Application Number:
JP2005013082A
Publication Date:
November 09, 2011
Filing Date:
January 20, 2005
Export Citation:
Assignee:
Menicon Co., Ltd.
Mitsubishi Gas Chemical Co., Ltd.
Shin-Etsu Chemical Co., Ltd.
Mitsubishi Gas Chemical Co., Ltd.
Shin-Etsu Chemical Co., Ltd.
International Classes:
C08J3/075; C08G64/18; C08J3/24; C08L69/00; G02C7/04
Domestic Patent References:
| JP9500920A | ||||
| JP5313104A | ||||
| JP2004075948A | ||||
| JP2005206699A | ||||
| JP2002284871A | ||||
| JP49056643A | ||||
| JP2004535598A | ||||
| JP2001342247A |
Attorney, Agent or Firm:
Kawamura Taku
Yousuke Fujimori
Seiji Tani
Fumio Akiyama
Yousuke Fujimori
Seiji Tani
Fumio Akiyama