US 2014/0005600 A1Published application

Drug delivery system including laminated structure

AssigneeSnu R&Db Foundation

InventorsDong-Il Cho, Seok Jun Hong, Sang Min Lee, Jae Hyun Ahn, Hyoung Jung Yoo

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Abstract

One aspect of the present invention relates to a drug delivery system comprising a layered structure where a drug layer and a biodegradable polymer layer for controlling the release of drugs are alternately laminated. The drug delivery system can easily control an in-vivo drug release rate and a release amount.

Claims11

Dependent claims

A drug delivery system comprising a layered structure in which a drug layer and a biodegradable polymer layer for drug release control are alternately stacked.

Dependencies are inferred from the claim text.

Facts

Application: 14/004,670Filed 20 Sep 2012
Priority: KR 10-2011-002197111 Mar 2011
Published: 2 Jan 2014
Term ends: Not estimatedThe source records don’t support an estimate.

Classification9 codes

A61K 9/0002
Medicinal preparations characterised by special physical form: galenical forms characterised by the drug release technique; Application systems…
A61K 9/209
Layered tablets, e.g. bilayer tablets; Tablets of the type inert core-active coat: containing drug in at least two layers or in the core and in at…
A61K 9/2853
Organic macromolecular compounds: obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene…
A61K 9/7007
Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug: drug-containing films, membranes or sheets

Family

US 9,351,924 B2Related patent
US 2014/0005600 A1This patent

From the US filing history. Foreign family members aren’t listed.

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