Porous grog composition, water purification device...

Details Porous grog composition, water purification device... Porous grog composition, water purification device...

2011-05-24

2011-05-24

Marcantoni, Paul (Department: 1731)

Compositions: ceramic

Ceramic compositions

Pore-forming

C501S081000, C501S141000

Reexamination Certificate

active

07947619

ABSTRACT:
A porous grog with a body composition of clay and a source of Fe3+. Further, an earthenware water purification filter utilizing the porous grog in the body composition of the filter. Further, an earthenware filter utilizing Fe3+treatment for water disinfection is disclosed. 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, and removing virtually 100% of fecal coliform indicators.

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patent: 2002/0173418 (2002-11-01), Harvey
patent: 1671229 (1971-09-01), None
patent: 3728812 (1988-10-01), None
patent: 0831076 (1998-03-01), None
patent: WO-0234361 (2002-05-01), None
patent: WO-2006047300 (2006-05-01), None

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