C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 3/075 (2006.01) A61K 9/06 (2006.01) A61K 9/70 (2006.01) A61K 47/34 (2006.01) A61L 15/60 (2006.01) A61L 26/00 (2006.01)
Patent
CA 2230551
A composition of an external preparation comprising a synthetic polymer gel which can homogeneously gel at any crosslinking rate and does not cause any change in quality with the lapse of time, and a process for preparing the same. The composition of an external preparation comprises a synthetic polymer gel prepared by reacting a water-soluble polymer of an aliphatic carboxylic acid or a salt thereof with a sparingly soluble aluminum compound, an organic acid containing a hydroxyl group in its molecule as a reaction accelerator and an ethylenediamine compound and/or citric acid as a reaction inhibitor in the presence of water at pH 4.0 to 6.1.
Kawamura Naohisa
Kusunoki Akihiko
Kuwahara Akio
Sugizaki Yoshiki
Fetherstonhaugh & Co.
Saitama Daiichi Pharmaceutical Co. Ltd.
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