Hard capsule for pharmaceutical drugs and method for producing t

Details Hard capsule for pharmaceutical drugs and method for producing t Hard capsule for pharmaceutical drugs and method for producing t

1992-10-08

1993-11-23

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Capsules

424452, 424453, 424456, 514774, 514777, 514781, 514779, A61K 948, A61K 3174

Patent

active

052642232

ABSTRACT:
A hard capsule for pharmaceutical drugs comprises a water-soluble cellulose derivative as a capsule base, a gelatinizing agent and an auxiliary for gelation. The hard capsule is prepared by preparing an aqueous solution of a capsule base containing a water-soluble cellulose derivative, a gelatinizing agent and an auxiliary for gelation, immersing a capsule molding pin in the aqueous solution of the capsule base, subsequently drawing out the molding pin from the aqueous solution of the capsule base, subjecting the aqueous solution of the capsule base attached to the outer surface of the molding pin to gelate at room temperature, and forming a capsule film on the outer surface of the molding pin.

REFERENCES:
patent: 4001211 (1977-01-01), Sarkar
patent: 4365060 (1982-12-01), Onda et al.
patent: 4917885 (1990-04-01), Chiba et al.

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