C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
400/7047, 400/91
C07C 69/52 (2006.01) A61K 6/08 (2006.01)
Patent
CA 1254336
7566-781D ABSTRACT OF THE DISCLOSURE Disclosed is a dental filling material comprising (A) from about 50 to about 95% by weight of finely devided inorganic filler material which comprises at least 50% by weight of metal nitride having a Moh's hardness of at least 7 (such as VN, BN, AlN, Si3N4, etc.) and the balance if any being an inorganic dental filler different from the metal nitride and having a Moh's hardness of at least 5, and (B) from about 50 to 5% by weight of monomer, such as Bisphenol A diglycidyl methacrylate, triethyleneglycol, dimethacrylate, bismethacryloxyethory bisphenylpropane, neopentylglycol dimethacrylate, trimethylolpropane triacrylate etc. The filling material, once used, has a high mechanical strength.
556476
Funakoshi Takashi
Kawahara Haruyuki
Kudo Shozo
Makita Teruo
Kanebo Ltd.
Smart & Biggar
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