Sustained-release preparations and the process thereof

Details Sustained-release preparations and the process thereof Sustained-release preparations and the process thereof

1989-07-13

1991-06-11

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Particulate form

424498, 424489, A61K 950

Patent

active

050230891

ABSTRACT:
Sustained-release preparations essentially consisting of 1 part by weight of a water-soluble active ingredient and 1 to 10 parts by weight of two or more fats where the melting point is different in one from others, being capable of releasing active ingredients at a constant rate for a long-period of time, and being manufactured easily and economically.

REFERENCES:
patent: 2805977 (1957-09-01), Robinson
patent: 3487138 (1969-12-01), Hess
patent: 4865851 (1989-09-01), James
Kumar et al., Chem. Abst., vol. 84, No. 12, 22 Mar. 1976, p. 385, Abstact No. 79641a.
Socias et al., Chem. Abst., vol. 92, No. 6, 11 Feb. 1980, p. 331, Abstract No. 47182a.
Ahmed et al., Chem. Abst., vol. 95, No. 1, 13 Jul. 1981, p. 359, Abstract No. 12671u.

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