Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Patent
1988-11-04
1990-05-08
Robinson, Douglas W.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
514887, 514577, A61K 31355, A61K 31185
Patent
active
049238930
ABSTRACT:
External preparations consisting essentially of about 0.1% to about 5% of tocopherol acetate and/or about 0.05% to about 0.3% of glycyrrhetinic acid, about 1% to about 15% of a methacrylic acid-ethyl acrylate copolymer, and about 0.2% to about 3% of a thickening agent in an alcoholic solvent, wherein said copolymer is characterized by that the monomer ratio of ethyl acrylate to methacrylic acid is within a range from 75/25 to 95/5, with residual monomer being 50 ppm or less and with practically no surfactants.
REFERENCES:
patent: 3627871 (1971-12-01), Groves et al.
patent: 4686211 (1987-08-01), Hara et al.
Doi Yoshio
Egawa Shohei
Kido Shigeru
Saitoh Izumi
Henley III Raymond J.
Robinson Douglas W.
Shionogi & Co. Ltd.
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