发明名称 |
HYDROGEL CONTACT LENS FOR SUSTAINED DRUG RELEASE AND DRUG RELEASE METHOD USING HYDROGEL CONTACT LENS FOR SUSTAINED DRUG RELEASE |
摘要 |
Disclosed is a sustainedly drug-releasing hydrogel contact lens which can sustainedly release an anionic medicament such as an allergy-treating agent in a mildly irritating and effective manner while achieving vision correction. Specifically disclosed is a hydrogel comprising ionic monomers composed of at least a cationic monomer and an anionic monomer, wherein the component ratio of the ionic monomers is 5 to 20 mol % inclusive relative to the total amount of monomers that constitute the gel, and the content of the anionic monomer is 15 to 25 mol % inclusive relative to the content of the cationic monomer.
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申请公布号 |
US2011306661(A1) |
申请公布日期 |
2011.12.15 |
申请号 |
US201013202547 |
申请日期 |
2010.01.15 |
申请人 |
SATO TAKAO;MATSUNAGA TORU;ICHINOKAWA AYA;SAKAI OSAMU;SENJU PHARMACEUTICAL CO., LTD.;SEED CO., LTD. |
发明人 |
SATO TAKAO;MATSUNAGA TORU;ICHINOKAWA AYA;SAKAI OSAMU |
分类号 |
A61K31/353;A61P27/02 |
主分类号 |
A61K31/353 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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