Compositions: ceramic – Ceramic compositions – Devitrified glass-ceramics
Reexamination Certificate
2009-07-27
2010-10-19
Koslow, C. Melissa (Department: 1793)
Compositions: ceramic
Ceramic compositions
Devitrified glass-ceramics
C501S002000, C501S154000, C106S035000, C433S202100, C433S201100, C433S218000, C433S222100
Reexamination Certificate
active
07816291
ABSTRACT:
Lithium silicate materials are described which can be easily processed by machining to dental products without undue wear of the tools and which subsequently can be converted into lithium silicate products showing high strength.
REFERENCES:
patent: 2684911 (1954-07-01), Stookey
patent: 3816704 (1974-06-01), Borom et al.
patent: 4480044 (1984-10-01), McAlinn
patent: 5219799 (1993-06-01), Beall et al.
patent: 5968856 (1999-10-01), Schweiger et al.
patent: 6420288 (2002-07-01), Schweiger et al.
patent: 6455451 (2002-09-01), Brodkin et al.
patent: 7316740 (2008-01-01), Schweiger et al.
patent: 7452836 (2008-11-01), Apel et al.
patent: 2451121 (1974-01-01), None
patent: 19750794 (1999-06-01), None
patent: 536479 (1993-04-01), None
patent: 536572 (1993-04-01), None
patent: 0817597 (1998-01-01), None
patent: 0774933 (2000-12-01), None
patent: 1127564 (2001-08-01), None
patent: 752243 (1956-07-01), None
patent: 32-5080 (1932-07-01), None
patent: 5094017 (1974-10-01), None
Borom, et al., “Strength and Microstructure in Lithium Disilicate Glass-Ceramics,” J. Am. Ceream. Soc. 58 (9-10): 385-391 (1975).
Stookey, S. D., “Chemical Machining of Photosensitive Glass,” Ind. Eng. Chem. 45:115-118 (1993).
Von Clausbruch et al., “The effect of P205 on the Crystallization and Microstructure of Glass-Ceramics in the SiO2-Li2O-K2O-ZnO-P2O5 System,” J. Non-Crystalline Solids 263&264: 388-394 (2000).
Von Clausbruch et al., “Effect of ZnO on the Crystallization, Microstructure, and Properties of Glass-Ceramics in the SiO2-Li2O-ZnO-K2O-P2O5 System,” Glastech. Ber. Glass Sci. Technol. 74(8):223-229 (2001).
Oliveira et al., “Sintering and Crystallization of a GlassPowder in the Li2O-ZrO2-SiO2 System,” J. Am. Ceramic Soc. 81(3):777-780 (1998).
Burke Harald
Holand Wolfram
Rheinberger Volker M.
Schweiger Marcel
Ivoclar Vivadent AG
Knab Ann M.
Koslow C. Melissa
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