发明名称 |
Process for producing colored contact lens |
摘要 |
A uniformly colored shaped article which is resistant to discoloration and fading can be produced by immersing a shaped article, particularly a contact lens, consisting of a polymer of at least one monomer selected from the group consisting of acrylates and methacrylates in a dyeing solution prepared by dissolving a water-soluble dye in a solvent capable of swelling said polymer, to swell and color the shaped article, and then drying the swollen shaped article.
|
申请公布号 |
US4494954(A) |
申请公布日期 |
1985.01.22 |
申请号 |
US19820450040 |
申请日期 |
1982.12.15 |
申请人 |
JAPAN SYNTHETIC RUBBER CO., LTD.;RICKY CONTACT LENS RESEARCH INSTITUTE INC. |
发明人 |
SUMINOE, TARO;ITO, TETSUO;KIYOMATSU, YASUHIRO;SHIMIZU, TAKAO |
分类号 |
G02C7/04;B29D11/00;D06P1/92;D06P3/00;G02B1/04;(IPC1-7):B29D11/00;D06P1/90 |
主分类号 |
G02C7/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|