发明授权
- 专利标题: Delivery system
- 专利标题(中): 输送系统
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申请号: US16966申请日: 1987-02-24
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公开(公告)号: US4769027A公开(公告)日: 1988-09-06
- 发明人: Richard W. Baker , Kelly L. Smith , James W. Brooke
- 申请人: Richard W. Baker , Kelly L. Smith , James W. Brooke
- 申请人地址: NC Research Triangle Park
- 专利权人: Burroughs Wellcome Co.
- 当前专利权人: Burroughs Wellcome Co.
- 当前专利权人地址: NC Research Triangle Park
- 主分类号: A61K9/22
- IPC分类号: A61K9/22 ; A61K9/50 ; A61M31/00
摘要:
Prills of pharmaceutically acceptable material are coated first with a water-permeable polymeric matrix containing a water-soluble pharmaceutically beneficial agent and then overcoated with a water-permeable film containing dispersed therein a water-soluble, particulate pore-forming material.
公开/授权文献
- USD359381S Oil wrench glove 公开/授权日:1995-06-20
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