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Patent Searching and Data


Title:
OCULAR LENS MATERIAL
Document Type and Number:
WIPO Patent Application WO/2005/029161
Kind Code:
A1
Abstract:
An ocular lens material which not only is transparent but also is so reduced in tackiness as not to adhere to the cornea during wear and is hence safe and highly easy to handle and which further has excellent shape stability due to an adequate balance between strength and flexibility or elasticity. The ocular lens material is a material which is formed from comonomer ingredients comprising (A) a compound having an ethylenically unsaturated group and, linked thereto by a urethane bond, a group having a polydimethylsiloxane structure, (B) an alkoxylated acrylate having a specific structure, and (C) a phenylalkyl acrylate or phenoxyalkyl acrylate having a specific structure, and which, in a tensile test at 35°C, has a stress of 0.1 to 10 MPa, an elongation of 10 to 300%, and a Young's modulus of 0.4 to 3.0 MPa.

Inventors:
Yoshida, Kunihisa (83-2, Nishimaeshinden Uguiura, Yatomi-cho, Ama-gu, Aichi 26, 49800, JP)
Tomono, Yoshihiro (Room 201, Merveille maison 2-5-3, Hanaosa-cho, Kasugai-sh, Aichi 51, 48609, JP)
Application Number:
PCT/JP2004/012002
Publication Date:
March 31, 2005
Filing Date:
August 20, 2004
Export Citation:
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Assignee:
MENICON CO., LTD. (21-19, Aoi 3-chome Naka-ku, Nagoya-sh, Aichi 06, 46000, JP)
Yoshida, Kunihisa (83-2, Nishimaeshinden Uguiura, Yatomi-cho, Ama-gu, Aichi 26, 49800, JP)
Tomono, Yoshihiro (Room 201, Merveille maison 2-5-3, Hanaosa-cho, Kasugai-sh, Aichi 51, 48609, JP)
International Classes:
G02C7/04; A61L27/00; C08F290/06; C08F299/00; (IPC1-7): G02C7/04; C08F290/06
Foreign References:
JPH1024097A
JPH1156999A
JPH10504059A
JP2002511597A
JPH04292609A
JPH07157523A
Attorney, Agent or Firm:
Asahina, Sohta (NS Building, 2-22 Tanimachi 2-chome, Chuo-ku, Osaka-sh, Osaka 12, 54000, JP)
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