Methods for producing sintered particles from a slurry of an...

Details Methods for producing sintered particles from a slurry of an... Methods for producing sintered particles from a slurry of an...

2006-03-01

2009-11-10

Le, H. (Holly) T (Department: 1794)

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

Coating with particulate material

C264S652000, C264S669000, C264S673000, C264S681000

Reexamination Certificate

active

07615172

ABSTRACT:
Methods for producing substantially round, spherical and sintered particles from a slurry of a calcined, uncalcined or partially calcined raw material having an alumina content of more than 55% by weight, and a mullite growth promoter in an amount of from about 2 to about 10% dry weight of the total solids in the slurry. Methods for using such substantially round, spherical and sintered particles in hydraulic fracturing operations.

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