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Found results for
 patents
1.
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TRANSDERMAL DRUG DELIVERY PATCH AND METHOD FOR PREPARING SAME
| Application Number |
KR2018005738 |
| Publication Number |
2019/221318 |
| Status |
In Force |
| Filing Date |
2018-05-18 |
| Publication Date |
2019-11-21 |
| Owner |
- POSTECH ACADEMY-INDUSTRY FOUNDATION (Republic of Korea)
- SHIL LA INDUSTRY CO., LTD (Republic of Korea)
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| Inventor |
- Lim, Geunbae
- Lee, Jungho
- Choi, Byoungsun
- Woo, Hyeonsu
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Abstract
A transdermal drug delivery patch according to one embodiment of the present invention comprises a flexible base layer and a plurality of microneedles disposed on one side of the base layer. Each of the plurality of microneedles contains a biodegradable polymer and a drug and has a hollow space therein. Each of the plurality of microneedles is formed of a star-shaped pyramid including a plurality of radially extending protrusions, wherein among the plurality of protrusions, two protrusions adjacent to each other in an edgewise direction have a concave portion therebetween.
IPC Classes ?
- A61M 37/00 - Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin
- A61K 9/70 - Web, sheet or filament bases
- A61K 9/00 - Medicinal preparations characterised by special physical form
- B29C 33/38 - SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING - Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C 35/08 - Heating or curing, e.g. crosslinking or vulcanising by wave energy or particle radiation
- B29C 41/10 - Coating a former, core or other substrate by spraying or fluidisation, e.g. spraying powder by fluidisation
- B29L 31/00 - Other particular articles
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2.
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TRANSDERMAL DRUG DELIVERY PATCH AND METHOD FOR MANUFACTURING SAME
| Application Number |
KR2018005739 |
| Publication Number |
2019/221319 |
| Status |
In Force |
| Filing Date |
2018-05-18 |
| Publication Date |
2019-11-21 |
| Owner |
- POSTECH ACADEMY-INDUSTRY FOUNDATION (Republic of Korea)
- SHIL LA INDUSTRY CO., LTD (Republic of Korea)
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| Inventor |
- Lim, Geunbae
- Lee, Jungho
- Choi, Byoungsun
- Woo, Hyeonsu
|
Abstract
A transdermal drug delivery patch comprises a flexible base layer, and a plurality of microneedles positioned on one side of the base layer and containing biodegradable polymer and drug. Each of the plurality of microneedles is configured as a star-shaped pyramid including a plurality of protrusions extending in the radial direction, and includes a concave part between two protrusions adjacent to each other along the circumferential direction, among the plurality of protrusions.
IPC Classes ?
- A61M 37/00 - Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin
- A61K 9/70 - Web, sheet or filament bases
- A61K 9/00 - Medicinal preparations characterised by special physical form
- B29C 33/38 - SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING - Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C 35/08 - Heating or curing, e.g. crosslinking or vulcanising by wave energy or particle radiation
- B29C 41/10 - Coating a former, core or other substrate by spraying or fluidisation, e.g. spraying powder by fluidisation
- B29L 31/00 - Other particular articles
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