Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Liposomes
Patent
1992-08-11
1993-04-27
Page, Thurman K.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Liposomes
424417, 530323, 530330, 530331, 554106, 554110, 560169, 560170, 560171, A61K 9127, A61K 3702, C07C22900
Patent
active
052060276
ABSTRACT:
An amphipathic compound, which includes a succinic acid moiety and an amino acid moiety and is designed so as to form a stable unilayer liposome, and a negatively charged liposome comprising said amphipathic compound as a membrane-component are disclosed. The amphipathic compound of the present invention gives liposomes which minimize the leakage of a drug encapsulated therein and scarcely undergo association, aggregation or precipitation.
REFERENCES:
patent: 5116992 (1992-05-01), Braquet
CA 112:115032 (1990).
Leventis et al., Biochemistry 26 3267-3276 (1987).
Fuji Photo Film Co. , Ltd.
Kishore G. S.
Page Thurman K.
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