Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Reexamination Certificate
2011-04-05
2011-04-05
Kiliman, Leszek (Department: 1788)
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
C428S403000, C428S404000, C428S405000, C428S406000, C428S407000, C166S295000
Reexamination Certificate
active
07919183
ABSTRACT:
Disclosed herein is a coated particle comprising a substrate comprising an inorganic material, wherein the inorganic material comprises silica and alumina in a silica to alumina weight ratio of about 2.2 to about 5; and wherein the inorganic material has a bulk density of less than or equal to about 1 g/cm3; and a coating disposed upon the substrate. Disclosed herein too is a method of treating a subterranean formation comprising injecting a fracturing fluid into the subterranean formation; wherein the fracturing fluid comprises an inorganic particle that comprises silica and alumina in a silica to alumina weight ratio of about 2.2 to about 5; and wherein the inorganic particle has a bulk density of less than or equal to about 1 g/cm3.
REFERENCES:
patent: 6335097 (2002-01-01), Otsuka et al.
patent: 6406789 (2002-06-01), McDaniel et al.
patent: 6582819 (2003-06-01), McDaniel et al.
patent: 6632527 (2003-10-01), McDaniel et al.
patent: 0972628 (2000-01-01), None
McCrary Avis Lloyd
McDaniel Robert R.
Kiliman Leszek
Momentive Specialty Chemicals Inc.
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