US US7947619B2
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.
Google’s own neighbours for this document. Each is a candidate to read before you conclude your idea is new.
A document turning up in a search is not the same as a document that anticipates your claims. Our registered Patent Agents read the claims, not just the abstract, and tell you where you still have room.
Protect Your InventionBibliographic data via the Google Patents index — republished here for research and prior-art review. This page is not legal advice, and its presence in our index says nothing about the validity or enforceability of the document. For the Indian legal position — status, oppositions, renewals — see InPASS.