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US 4,542,167 AGranted
Dental cement composition comprising hydroxyapatite and acrylic acid/itaconic acid copolymer hardener
OwnerHideki Aokiinventor
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Abstract
A water-hardenable dental cement composition comprising hydroxyapatite [Ca.sub.10 (PO.sub.4).sub.6 (OH).sub.2 ] as the main component and an inorganic powder and a hardening agent.
Claims3
A water-hardenable dental cement composition comprising hydroxyapatite (Ca.sub.10 (PO.sub.4).sub.6 (OH).sub.2) as the main component and an inorganic powder and a hardening agent consisting of a copolymer of acrylic acid with itaconic acid.
Dependencies are inferred from the claim text.