Constant-rate eluting tablet and method of producing same

Details Constant-rate eluting tablet and method of producing same Constant-rate eluting tablet and method of producing same

1978-02-27

1980-08-19

Rose, Shep K.

Drug, bio-affecting and body treating compositions

Identification or warning feature

Taste or smell or chemical irritation to the eye, nose, or...

128260, 424 16, 424 19, 424 21, 424 32, 424 33, 424 35, 427 3, A61K 944, A61K 928, A61K 922, A61K 920

Patent

active

042184339

ABSTRACT:
A tablet formed with a hollow or hollows in its surface and containing a water-soluble component is coated with a coating agent which is insoluble in water but has water permeability, thereby to obtain a constant-rate eluting medicinal tablet. A process of producing such tablet is also disclosed.

REFERENCES:
patent: 216107 (1879-06-01), Richards
patent: 3113076 (1963-12-01), Jacobs
patent: 3146169 (1964-08-01), Stephenson et al.
patent: 3279995 (1966-10-01), Reid
patent: 3775537 (1973-11-01), Lehmann et al.
patent: 3845770 (1974-11-01), Theeuwes et al.
patent: 3917813 (1975-11-01), Pedersen
patent: 4083949 (1978-04-01), Benedikt
patent: 4096238 (1978-06-01), Zaffaroni et al.
Remington Practice of Pharmacy (1886) pp. 975-977 "Coating Pills."

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