Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Liposomes
Patent
1989-04-14
1991-12-24
Page, Thurman K.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Liposomes
424447, 424449, 424 63, 424 70, A61K 3722
Patent
active
050751131
ABSTRACT:
The invention provides new dietetic, laxative or cosmetic products which comprise an aqueous phase containing a proportion between 0.01 ane 10% by weight of water, an extract of lecithin enriched in phosphatidylcholine, which aqueous phase forms an emulsion with an oily phase comprised principally of paraffin hydrocarbons which are oily or solid at ambient temperature, for example vaseline and/or paraffin oil and of a lipo-soluble lecithin extract in proportions between 0.01 and 10% by weight of the paraffin hydrocarbons. The emulsion can moreover contain an inert mineral powder, such as kaolin, talc, calcium carbonate and/or monodiglycerides having a melting temperature above 50.degree. C. An application is the preparation of spreadable dietetic or laxative products or cosmetic milks or creams.
REFERENCES:
patent: 4205088 (1980-05-01), Schoetensack et al.
patent: 4568547 (1986-02-01), Herschler
patent: 4647394 (1987-03-01), Kimura et al.
patent: 4701469 (1987-10-01), Mendy
patent: 4791140 (1988-12-01), Fukasawa et al.
patent: 4844902 (1989-07-01), Grohe
Grant and Hackh's Chemical Dictionary, 5th Ed., pp. 422, 617.
Page Thurman K.
Piccone Louis A.
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