Compositions: ceramic – Ceramic compositions – Refractory
Reexamination Certificate
2007-04-24
2007-04-24
Group, Karl (Department: 1755)
Compositions: ceramic
Ceramic compositions
Refractory
C501S098200, C501S098300, C164S428000, C164S480000
Reexamination Certificate
active
10509925
ABSTRACT:
Ceramic plates for side dams of twin-drum continuous strip casters comprising a REAG phase of 10 to 90 vol. %, a Sialon phase of 5 to 50 vol. %, a BN phase of 5 to 50 vol. % and an amorphous phase of over 0 to 20 vol. %, with the REAG phase comprising at least one rare-earth aluminum garnet phase selected from YAG, ErAG, YbAG and DyAG phases and the Sialon phase having a chemical formula, Si6−zAlzOzN8−z, wherein Z is between 0.05 and 1.9.
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patent: 6843304 (2005-01-01), Takeuchi et al.
patent: 7098159 (2006-08-01), Krolikowski
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patent: 2001-150106 (2001-06-01), None
Mamoru Mitomo et al. “Stability of α-Sialons in Low Temperature Annealing” Journal of the European Ceramic Society Elsevier UK, vol. 19, No. 1, 1999, pp. 7-15.
Patent Abstracts of Japan, JP 07165462 A, Jun. 27, 1995.
Nose Tetsuro
Takeuchi Tomohide
Group Karl
Kenyon & Kenyon LLP
Nippon Steel Corporation
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