Stainless steel dental crowns with a polyester/epoxy coating
Assignee3M Innovative Properties Company
InventorsWilliam J. Stoller, Shig Shiwota
Life of this patent
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Abstract
A dental crown that includes a stainless steel shell sized to cover a tooth portion of a patient and a polymeric coating including a polyester/epoxy hybrid composition.
Claims20
A dental crown comprising a stainless steel shell sized to cover a tooth portion of a patient and a polymeric coating covering at least a portion of the outer surface of the stainless steel shell, wherein the polymeric coating comprises a polyester/epoxy hybrid composition that includes a blend of a polyester resin and an epoxy resin.
A dental crown comprising a stainless steel shell sized to cover a tooth portion of a patient and a polymeric coating covering at least a portion of the outer surface of the stainless steel shell, wherein the polymeric coating comprises a polyester/epoxy hybrid composition that includes a blend of a polyester resin and an epoxy resin, and wherein the coating is at least about 35 microns thick.
A dental crown comprising a stainless steel shell sized to cover a tooth portion of a patient and a polymeric coating covering at least a portion of the outer surface of the stainless steel shell, wherein the polymeric coating comprises a polyester/epoxy hybrid composition that includes a blend of a polyester resin and an epoxy resin, a pigment, and a filler, and wherein the coating is at least about 35 microns thick.
A method of coating a stainless steel crown, the method comprising:
- providing a stainless steel shell sized to cover a tooth portion of a patient;
- providing a polyester/epoxy hybrid powder that includes a blend of a polyester resin and an epoxy resin;
- and
- applying the powder to at least a portion of the outer surface of the stainless steel shell to form a polymeric coating.
Dependencies are inferred from the claim text.