Title:
眼用レンズ
Document Type and Number:
Japanese Patent JP4273612
Kind Code:
B2
Abstract:
This invention provides an ophthalmic lens of high tensile elongation (i.e., that does not break easily). It is an ophthalmic lens comprising, as a polymerization component, monomers represented by formula (a) below: wherein, in formula (a), R1 is H or a methyl group; R2 is a group that is selected from alkyl groups with 1 to 8 carbon atoms, aralkyl groups with 7 to 12 carbon atoms and aryl groups with 6 to 10 carbon atoms; L1 is a substituent that is selected from ethylene groups, 1,2-propylene groups, 1,3-propylene groups and 1,4-butylene groups; and L2 is a substituent that is selected from methylene groups, ethylene groups, 1,2-propylene groups, 1,3-propylene groups and 1,4-butylene groups.
Inventors:
Masataka Nakamura
Kazuhiko Fujisawa
Naoki Shimoyama
Yokota Mitsuru
Kazuhiko Fujisawa
Naoki Shimoyama
Yokota Mitsuru
Application Number:
JP2000058421A
Publication Date:
June 03, 2009
Filing Date:
March 03, 2000
Export Citation:
Assignee:
TORAY INDUSTRIES,INC.
International Classes:
A61F2/16; G02C7/04; A61L27/00; C08F20/58; C08J5/00; G02B1/04; G02C7/02; C08L33/26
Domestic Patent References:
| JP2688523B2 | ||||
| JP62135504A | ||||
| JP11100774A | ||||
| JP63221114A | ||||
| JP2000515822A | ||||
| JP9090289A |