Nifedipine concentrate stabilized against the influence of light

Details Nifedipine concentrate stabilized against the influence of light Nifedipine concentrate stabilized against the influence of light

1987-12-07

1990-02-27

Dixon, Jr., William R.

Drug, bio-affecting and body treating compositions

Containing designated ingredient to stabilize an active...

Ultraviolet light stabilizer containing

514277, 514970, A61K 31395

Patent

active

049046993

ABSTRACT:
A nifedipine concentrate stabilized against the influence of light is described, characterized in that it contains nifedipine, polyethylene glycol, from 0.5 to 20% by weight of Vitamin B.sub.2, based on the nifedipine, at least one surface-active agent and optionally conventional carriers. A process for the preparation of the nifedipine concentrate and a medicament containing nifedipine and its use for the production of pharmaceutical preparations are also described.

REFERENCES:
patent: 4412986 (1983-11-01), Kawata
patent: 4446325 (1984-05-01), Ohno
patent: 4693892 (1987-09-01), Hegasy
patent: 4711902 (1987-12-01), Serno

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