Fluid permeable and vacuumed insulating microspheres and methods of producing the same
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United States of America Patent
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Feb 5, 2019
Grant Date -
Jul 21, 2016
app pub date -
Nov 8, 2015
filing date -
Jan 17, 2015
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Abstract
Microsphere comprising an outer shell enclosing a substantially hollow inner space, the outer shell comprising a fluid permeable porous structure, the fluid permeable porous structure comprising interconnected pores, the microsphere being capable of maintaining a vacuum in its substantially hollow inner space when its outer shell is sealed.
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