Method for preparing film coated pharmaceutical preparations and

Details Method for preparing film coated pharmaceutical preparations and Method for preparing film coated pharmaceutical preparations and

1989-05-19

1991-04-16

Cashion, Jr., Merrell C.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Tablets, lozenges, or pills

424464, 424490, A61K 936

Patent

active

050081136

ABSTRACT:
Film coated pharmaceutical preparations, which are prepared by overlaying to the outer surface of pharmaceutical preparations, a coating layer comprising at least one member selected from the group consisting of methyl cellulose, hydroxypropylmethyl cellulose, hydroxypropyl cellulose, hydroxypropylmethyl cellulose phthalate, hydroxypropylmethyl cellulose acetate succinate, carboxymethylethyl cellulose and cellulose acetate phthalate, are irradiated with light including ultraviolet rays. Whereby film coated pharmaceutical preparations, the coating layer surface of which are excellent in whiteness, are prepared. Moreover, as a content of a white pigment in corporated into the coating layer of such preparations may be reduced, the stability of such preparations can be enhanced without impairing the strength of the coating layer.

REFERENCES:
patent: 4360541 (1982-11-01), Costanza et al.
patent: 4411754 (1983-10-01), Kaetsu et al.
patent: 4524060 (1985-06-01), Mughal et al.
patent: 4539060 (1985-09-01), Wittwer et al.

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