Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Liposomes
Patent
1988-07-08
1990-05-01
Stone, Jacqueline M.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Liposomes
424491, 424498, 428402, 428403, A61K 948
Patent
active
049217054
ABSTRACT:
A lipid powder having a cross-linked coating thereon comprises a core lipid powder and a water-soluble coating agent coating the core lipid powder. The water-soluble coating agent contains cross-linked protein. A process for preparing lipid powders each having a cross-linked coating thereon comprises the steps of emulsifying lipid and a water-soluble coating agent containing protein to obtain an emulsion, adding a cross-linking agent for the protein the the emulsion to thereby cross-link the protein, atomizing and drying the emulsion containing the cross-linked protein to terminate the cross-linking reaction and to obtain lipid powders each coated with the water-soluble coating agent, and cooling the coated lipid powders.
REFERENCES:
patent: 3549555 (1970-12-01), Hiestand et al.
patent: 3886084 (1975-05-01), Vassiliades
patent: 3956172 (1976-05-01), Sacki et al.
patent: 4376113 (1983-03-01), Suglia et al.
patent: 4402856 (1983-09-01), Schnoring et al.
patent: 4492714 (1985-01-01), Cooper et al.
patent: 4515769 (1985-05-01), Merritt et al.
Arai Motoharu
Ito Masatsugu
Nippon Oil and Fats Co. Ltd.
Stone Jacqueline M.
Witz Jean
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