Liquid purification or separation – Filter – Material
Reexamination Certificate
2005-06-14
2005-06-14
Marcantoni, Paul (Department: 1755)
Liquid purification or separation
Filter
Material
C210S496000, C210S502100, C210S503000, C210S902000, C210S908000, C210S911000, C501S080000, C501S081000
Reexamination Certificate
active
06905598
ABSTRACT:
A porous grog with a body composition of water, clay and combustible material. Further, an earthenware water purification filter utilizing the porous grog in the body composition of the filter. A water purification system incorporating said filter, said water purification system capable of removing about 99% of all particles not less than 1.0 micron is size.
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Harvey, A. Reid et al., A Permeable Grog For A Low Cost Water Purifier, http://phys4.harvard.edu/˜wilson/remediation/ACER.html, Sep. 24, 2003, pp. 1-6.
Hunton & Williams LLP
Marcantoni Paul
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