Finely divided, highly pure neutral zinc oxide powder, a process for its preparation and its use
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United States of America Patent
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Jun 18, 1996
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N/A
app pub date -
Dec 7, 1993
filing date -
Dec 18, 1992
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Abstract
The invention relates to finely divided, highly pure neutral zinc oxide powder used for UV protection in cosmetic sun screen preparations and daytime skin care preparations as well as in lacquers and plastics, and to a process for its preparation.
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