发明名称 |
High water-absorptive soft contact lens |
摘要 |
A highly water-absorptive soft contact lens made of a copolymer comprising (A) 10 to 40 parts by weight of an acrylate or methacrylate polymer having a hydrophilic group and at least one polymerizable group in its molecule and (B) 90 to 60 parts by weight of a hydrophilic monomer selected from the group consisting of a N-vinyllactam, acrylamide, N-substituted acrylamide derivative, methacrylamide and N-substituted methacrylamide derivative; the total amount of the components (A) and (B) being 100 parts by weight. The soft contact lens has a high water content, excellent oxygen permeability, transparency and excellent physical properties.
|
申请公布号 |
US4829126(A) |
申请公布日期 |
1989.05.09 |
申请号 |
US19870037069 |
申请日期 |
1987.04.13 |
申请人 |
TOYO CONTACT LENS CO., LTD. |
发明人 |
NAKAJIMA, TATSUTOSHI;TOYOSHIMA, NOBUYUKI;YAMANAKA, MASASHIGE |
分类号 |
G02C7/04;C08F265/04;G02B1/04 |
主分类号 |
G02C7/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|