Chemistry of inorganic compounds – Boron or compound thereof – Oxygen containing
Reexamination Certificate
2007-01-09
2007-01-09
Szekely, Peter (Department: 1714)
Chemistry of inorganic compounds
Boron or compound thereof
Oxygen containing
C524S335000, C524S600000, C524S650000
Reexamination Certificate
active
11248781
ABSTRACT:
Polymerizable compositions that include: (a) a cationically active functional group; (b) an initiation system capable of initiating cationic polymerization of the cationically active functional group; and (c) a filler composition that includes various radiopacifying fillers in an amount sufficient to render the polymerizable composition radiopaque. Components (a), (b), and (c) are selected such that the polymerizable composition polymerizes to form a polymerized composition having a Barcol hardness, measured using a GYZJ-935 meter, of at least 10 within 30 minutes following initiation of the cationically active functional group at a reaction temperature of 25° C.
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Edman Sean J.
Szekely Peter
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