Stabilization of azulene derivatives

Details Stabilization of azulene derivatives Stabilization of azulene derivatives

1983-05-11

1985-08-06

Siegel, Alan

Drug, bio-affecting and body treating compositions

Solid synthetic organic polymer as designated organic active...

Polymer from ethylenic monomers only

260505R, 260505P, 424 80, 424 81, 514553, 514970, C07C14324, A61K 31185

Patent

active

045335524

ABSTRACT:
Sodium 1,4-dimethylisopropylazulene-3-sulfonate is stabilized by adding to a solution thereof, physiologically non-toxic additives and then removing or separating the solvent therefrom by spray drying or a lyophilization.

REFERENCES:
Weissberger, Separation & Purification Part I, vol. III, (1956), pp. 821-822.
Perry, Perry's Chem. Eng. Handbook, 4th ed., (1963), pp. 20-59.

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