Zinc borate, and production method and use thereof
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Aug 24, 2004
Grant Date -
Feb 13, 2003
app pub date -
Sep 5, 2001
filing date -
Jan 11, 2000
priority date (Note) -
Expired
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Abstract
A zinc borate having a particular crystallite size and containing very little sodium components and a method of preparing the same. The zinc borate has a particular chemical composition, has a crystallite size of not smaller than 40 nm as found from diffraction peaks of indexes of planes of (020), (101) and (200) in the X-ray diffraction image (Cu-k.alpha.) and contains sodium components in amounts of not larger than 100 ppm as measured by the atomic absorptiometric method.
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