Multilamellar drug delivery systems

Details Multilamellar drug delivery systems Multilamellar drug delivery systems

1994-04-07

1995-09-05

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Particulate form

424476, 424489, 424469, 424463, A61K 916

Patent

active

054477298

ABSTRACT:
A pharmaceutical preparation including a pharmaceutical agent incorporated into particles comprising (i) a core formed from a hydrophilic material, a hydrophobic material or a hydrophobic emulsion or dispersion and (ii) an alternating sequence of hydrophilic/hydrophobic layers thereon such that there is a hydrophilic/hydrophobic interface between the core and each succeeding layer.

REFERENCES:
patent: 4963365 (1990-10-01), Samejima et al.
patent: 5202128 (1993-04-01), Morella et al.
patent: 5350741 (1994-09-01), Takada

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