Methods of making and selling a sunscreen composition
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United States of America Patent
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Aug 3, 2004
Grant Date -
Oct 16, 2003
app pub date -
Mar 25, 2002
filing date -
Mar 5, 2002
priority date (Note) -
Expired
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Abstract
A method of preparing a sunscreen including a solvent system and a filter system, the method including the step of controlling the polarity of the solvent system to control the rate of photodecay of the filter system, as well as sunscreen compositions and compounds for producing sunscreen compositions, are disclosed. A method of selling a cosmetically-acceptable sunscreen composition is disclosed.
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