Stock material or miscellaneous articles – Article of intermediate shape
Reexamination Certificate
2005-04-12
2005-04-12
Jones, Deborah (Department: 1775)
Stock material or miscellaneous articles
Article of intermediate shape
C428S220000, C428S702000, C433S228100, C433S218000, C433S229000, C433S224000, C433S217100, C406S063000, C264S604000
Reexamination Certificate
active
06878456
ABSTRACT:
A polycrystalline translucent aluminum oxide ceramic material having an average grain size of no greater than 1.0 micron and a Contrast Ratio value of less than about 0.7. The material can be in the form of a dental mill blank, dental prosthesis or other dental article or non-dental article.
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Castro Darren T.
Rusin Richard P.
3M Innovative Properties Co.
Blackwell-Rudasill G.
Edman Sean
Jones Deborah
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