Compositions: ceramic – Ceramic compositions – Refractory
Reexamination Certificate
2006-06-27
2006-06-27
Group, Karl (Department: 1755)
Compositions: ceramic
Ceramic compositions
Refractory
C501S141000, C501S149000, C166S280200, C507S924000
Reexamination Certificate
active
07067445
ABSTRACT:
A proppant mixture with an extended particle size distribution exhibits improved properties, such as crush strength and conductivity, as compared with a conventional product with a narrow size distribution.
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Mickelson Danny L.
Schubarth Stephen K.
Sheppard Andrew T.
Snyder Edwyn M.
Webber Roy A.
Fay Sharpe Fagan Minnich & McKee LLP
Field, III Thomas G.
Group Karl
Saint-Gobain Ceramics & Plastics, Inc.
Skerry Ann M.
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