Active substance-doped absorbing polymer particles, composition comprising polycondensate matrix and absorbant polymer for release of a wound treatment substance
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United States of America Patent
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Issued Date -
Mar 22, 2007
app pub date -
Jul 1, 2004
filing date -
Jul 8, 2003
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Abstract
A water-absorbing composition, a process for producing a water-absorbing composition, a composite comprising a water-absorbing composition, and the use of a water-absorbing composition for releasing an active substance (e.g., a wound treatment substance, a care substance, or combinations thereof) are disclosed. A water-absorbing composition can include active substance-doped water-absorbing polymer particles comprising: .PHI.1.) an active substance in a quantity in the range from about 0.001 to about 30 wt. %; and .PHI.2.) an absorber matrix in a quantity in the range from about 70 to about 99.999 wt. %. Also, a hygiene article and a wound treatment means, including a water-absorbing composition, are disclosed.
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