Coating processes – Medical or dental purpose product; parts; subcombinations;... – Implantable permanent prosthesis
Reexamination Certificate
2005-12-20
2005-12-20
Isabella, David J. (Department: 3738)
Coating processes
Medical or dental purpose product; parts; subcombinations;...
Implantable permanent prosthesis
C427S002270, C427S379000, C427S380000, C427S002100, C427S002240, C427S243000, C427S247000, C427S372200, C427S375000, C427S383100, C427S384000, C427S402000, C427S404000, C427S419100, C623S023610, C523S115000
Reexamination Certificate
active
06977095
ABSTRACT:
A process for producing a rigid reticulated article involves coating a reticulated substrate which has open, interconnected porosity with a first dispersion comprising a ceramic or metal powder to form a first coating thereon; drying the coated reticulated substrate; contacting the coated reticulated substrate with one or more additional dispersions in succession to form one or more additional coatings thereon; drying the additional coatings between the steps of contacting; heating the coated reticulated substrate to pyrolyze organic components; and sintering the coated reticulated substrate to form a reticulated article, wherein each dispersion has a viscosity less than that of all preceding dispersions. A rigid reticulated article includes inner, intermediate and outer sintered layers of material in which the inner and outer layers are of different composition and the intermediate layer is a composite of the inner and outer layers.
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Heckendorf Bradley R.
Johnson James R.
Marx Jeffrey G.
Venarsky John Jeffrey
Chattopadhyay Urmi
Isabella David J.
Wright Medical Technology Inc.
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