Gels formed by the interaction of polyvinylpyrrolidone with chitosan derivatives
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United States of America Patent
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Apr 30, 2002
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N/A
app pub date -
Jul 5, 2000
filing date -
Jul 5, 2000
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Abstract
A dermatologically-compatible composition comprising a hydrophilic gel which comprises a blend of a chitosan and a hydrophilic poly(N-vinyl lactam) having a K value of less than 60.
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Patent Citation Ranking
- 15 Citation Count
- A61K Class
- 61.97 % this patent is cited more than
- 23 Age