Inventor
ROULSTON JOHN S
US7 patents
Patents
7 patentsUS6712974B1Mar 30, 2004
Filterable composite adsorbents
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US6524489B1Feb 25, 2003
Advanced composite media
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US5776353AJul 7, 1998
Advanced composite filtration media
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US6464770B1Oct 15, 2002
Perlite products with controlled particle size distribution
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US6140040AOct 31, 2000
Method of mechanically separating microparticles suspended in fluids using particulate media
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US6712898B2Mar 30, 2004
Perlite products with controlled particle size distribution
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US7303600B2Dec 4, 2007
Unexpanded perlite ore polishing composition and methods
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