| 发明名称 |
SUSTAINED RELEASE POLYMERS |
| 摘要 |
<p>A copolymer derived from a monomeric mixture comprising from 20 to 60 parts of acrylic or methacrylic acid, from 20 to 70 parts of a lower alkyl acrylate or methacrylate, and from 5 to 20 parts of a plasticizing monomer is at least partially neutralized by multivalent cations.</p> |
| 申请公布号 |
CA984099(A) |
申请公布日期 |
1976.02.17 |
| 申请号 |
CA19720149258 |
申请日期 |
1972.08.11 |
| 申请人 |
HYDROPHILICS INTERNATIONAL, INC. |
发明人 |
BLANK, IZHAK |
| 分类号 |
A01N25/10;A01N25/34;A61K9/00;A61K9/70;B29D11/02;C08F8/30;C08F8/44;C08F220/06;C08L33/00;C08L33/02;C08L33/04 |
主分类号 |
A01N25/10 |
| 代理机构 |
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代理人 |
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| 地址 |
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