Dentistry – Method or material for testing – treating – restoring – or... – By filling – bonding or cementing
Reexamination Certificate
2011-06-21
2011-06-21
Berman, Susan W (Department: 1765)
Dentistry
Method or material for testing, treating, restoring, or...
By filling, bonding or cementing
C522S079000, C522S083000, C522S084000, C522S171000, C522S182000, C523S118000
Reexamination Certificate
active
07963769
ABSTRACT:
A dental adhesive composition comprising (i) at least one non-acidic polymerizable monomer having at least one ethylenically unsaturated group, (ii) optionally one or more acidic compounds, (iii) at least one photoinitiator, (iv) at least one solvent, and (v) about 0-40% by weight of one or more fillers; wherein the weight ratio of non-acidic polymerizable monomers/acidic compounds in the adhesive composition is more than about 4.5; the viscosity of the adhesive composition is less than about 350 centipoise (cP) at 25° C.; and the adhesive composition excluding solvent and filler has an acid number of less than about 0.75 mmol NaOH/g. The dental adhesive composition is used with a dental primer composition, which may be provided together in a kit.
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European Patent Office, Search Report and Examiner's Preliminary Opinion issued in corresponding European Application No. 08252625.2 dated Jul. 29, 2010, 5 pp.
Berman Susan W
Kerr Corporation
Wood Herron & Evans LLP
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