Drug – bio-affecting and body treating compositions – Identification or warning feature – Taste or smell or chemical irritation to the eye – nose – or...
Patent
1984-04-12
1986-10-07
Griffin, Ronald W.
Drug, bio-affecting and body treating compositions
Identification or warning feature
Taste or smell or chemical irritation to the eye, nose, or...
424 35, 514781, 128156, 53425, 604304, 604374, C08C 124, A61K 916, A61K 918, A61L 1503
Patent
active
046158804
ABSTRACT:
An absorbing dressing for wounds consists of spherical particles of regenerated cellulose of the size 0.05-0.5 mm and a macroporous structure characterized by the cyclohexane regain of the dry material at least 0.2 ml/g. The dressing is prepared from the regenerated cellulose swollen with water by replacement with organic solvents and the subsequent drying of the product swollen with the said solvent and impregnated with a therapeutically active compound.
REFERENCES:
patent: 3652540 (1972-03-01), Determann et al.
patent: 3852224 (1974-12-01), Bridgeford
patent: 4055510 (1977-10-01), Peska et al.
patent: 4110529 (1978-08-01), Stoy
patent: 4281063 (1981-07-01), Tsao et al.
patent: 4536217 (1985-08-01), Loth et al.
Bertram Dieter
Dautzenberg Horst
Lettau Herbert
Loth Frith
Peska Jan
Akademie der Wissenschaften der DDR
Ceskoslovenska akademie ved of Prague
Griffin Ronald W.
Schaffer Murray
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