Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1984-09-24
1986-01-28
Lilling, Herbert J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523400, A61K 501, A61K 506, A61K 608, C08K 340
Patent
active
RE0320730
ABSTRACT:
This invention is a dental filling composition for making dental restorations. More particularly, the invention provides a radiopaque dental filling material. Specifically, the dental filling material contains a zinc-containing glass as the component imparting opacity to X-rays.
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Cleveland David R.
Lilling Herbert J.
Minnesota Mining and Manufacturing Company
Sell Donald M.
Smith James A.
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