Synthetic layered silicate nanolayers

Details Synthetic layered silicate nanolayers Synthetic layered silicate nanolayers

2005-07-28

2008-11-11

Brunsman, David M (Department: 1793)

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

C423S331000

Reexamination Certificate

active

07449164

ABSTRACT:
Nanolayered layered silicate materials of octahedrally arranged units with divalent metal ions at centers of the units covalently linked above and below to tetrahedrally arranged oxygen and hydroxyl units with silicon atoms. The silicate materials contain silanol groups which are reactive to form derivative compositions useful for water purification to remove heavy meal cations.

REFERENCES:
patent: 5993769 (1999-11-01), Pinnavaia et al.
patent: 7132165 (2006-11-01), Pinnavaia et al.

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