Modified Cyclodextrin Film Or Fiber, And Method For Producing The Same
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United States of America Patent
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Issued Date -
Sep 13, 2007
app pub date -
Aug 31, 2005
filing date -
Feb 14, 2005
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Abandoned
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Abstract
It is possible to produce a pigment-modified cyclodextrin film or fiber expected to be versatile in medicines, foods and pesticides such as packing films like wafer (for example, films to wrap food or drugs, and packages whose colors change when contained food begins to leak). It is comprised by p-methyl red of pigment-modified cyclodextrins, each made by modifying .alpha.-cyclodextrin with p-methyl red, having a structure to be included into different .alpha.-cyclodextrin of pigment-modified cyclodextrins than the p-methyl red, which leads the pigment-modified cyclodextrins to be highly associated between their molecules to form molecular aggregates.
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