Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1993-10-07
1995-09-05
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523109, 523115, 524433, 524437, 524441, 524444, 433171, 4332011, 4332021, 106 35, 501 32, A61K 608, C08K 318, A61C 1300, B41C 308
Patent
active
054479673
ABSTRACT:
The invention relates to a biocompatible ceramic dental prosthesis having a translucency similar to that of natural tooth enamel and a high mechanical strength.
It comprises a rigid, porous infrastructure obtained by the reactive calcination of fine particles of alumina/magnesia spinel, alumina and magnesia, the pores of which are occupied by glass infiltrated at high temperature.
The invention also relates to a manufacturing process for producing such a prosthesis.
REFERENCES:
patent: 4954080 (1980-09-01), Kelly et al.
DeWitt LaVonda
Michl Paul R.
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