Compositions: ceramic – Ceramic compositions – Composed of waste material
Reexamination Certificate
2005-06-14
2005-06-14
Group, Karl (Department: 1755)
Compositions: ceramic
Ceramic compositions
Composed of waste material
C501S141000, C501S146000
Reexamination Certificate
active
06905996
ABSTRACT:
This invention provides methods for making ceramic articles with improved density, compression strength and efflorescence properties, in which a pre-ceramic article containing direct process residue gel is heated at an elevated temperature.
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patent: 4690810 (1987-09-01), Breneman et al.
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patent: 6478870 (2002-11-01), Marko
patent: 6635109 (2003-10-01), Wineland et al.
patent: 3713482 (1988-11-01), None
patent: 4333235 (1995-04-01), None
patent: 314971 (1989-05-01), None
Demes Hagen
Fackler Helmut
Dow Corning Limited
Group Karl
McKellar Robert L.
McKellar IP Law, PLLC
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