Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Matrices
Patent
1986-03-21
1988-11-01
Page, Thurman K.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Matrices
424485, A61L 1500
Patent
active
047819260
ABSTRACT:
Transdermal dosage compositions are prepared from hydrated poly(vinyl alcohol) gels and pharmacologically active substances without any chemicals such as crosslinking agents and catalysts. Heating process is not involved in the gel preparation. High water contents of the gels enable the stratum corneum to be swollen, resulting in high permeation of drugs through the skin.
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patent: 4482533 (1984-11-01), Keith
patent: 4542013 (1985-09-01), Keith
patent: 4624848 (1986-11-01), Lee
patent: 4642233 (1987-02-01), Urguhart et al.
Hyon Suong-Hyu
Ikada Yoshito
Biomaterials Universe Inc.
Horne L. R.
Page Thurman K.
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