Hexagonal prism-shaped zinc oxide particles, method for production of the same, and cosmetic, heat releasing filler, heat releasing resin composition, heat releasing grease, and heat releasing coating composition comprising the same
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United States of America Patent
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Aug 2, 2016
Grant Date -
Feb 27, 2014
app pub date -
Apr 26, 2012
filing date -
Apr 28, 2011
priority date (Note) -
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Abstract
It is an object of the present invention to provide hexagonal prism-shaped zinc oxide particles which have a specific particle diameter and a specific aspect ratio, and high ultraviolet blocking performance and transparency, and therefore can be suitably used as a cosmetic and a heat releasing material. Provided are hexagonal prism-shaped zinc oxide particles having a primary particle diameter of 0.1 μm or more and less than 0.5 μm and an aspect ratio of less than 2.5.
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International Classification(s)
- A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
- C09C:TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBRO....
- A61Q:USE OF COSMETICS OR SIMILAR TOILET PREPARATIONS
- C01G:COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLAS....
- C30B:SINGLE-CRYSTAL GROWTH
- C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....
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