Process for the production of stabilized pure theophylline in ne

Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...

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A61K 3152

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active

041171322

ABSTRACT:
A pure, stable, neutral, aqueous solution of theophylline is obtained by adding pure theophylline to a 7-hydroxypropyl derivative of theophylline.

REFERENCES:
patent: 3823229 (1974-07-01), Jederstrom
patent: 3928609 (1975-12-01), Behrakis
Maulding et al., Chem. Abst., vol. 74 (1971), p. 80440j.
Maulding et al., J. of Pharm. Sci., vol. 60, No. 2, Feb. 1971, pp. 309-311.

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