Phosphate derivatives, process for producing phosphate derivatives and fillers for human hard tissues containing the same

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United States of America Patent

PATENT NO 4442239
SERIAL NO

06347429

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Abstract

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Phosphate derivatives represented by the formula ##STR1## wherein R represents a group containing at least one reactive double bond and A represents a group which may optionally contain reactive double bonds are disclosed. The phosphate derivatives of the present invention have at least two reactive double bonds, and polymers prepared from these phosphate derivatives in the presence or absence of other polymerizable monomers are useful as fillers for human hard tissues such as bones and teeth.

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Patent Owner(s)

Patent OwnerAddress
SANKIN INDUSTRY CO LTD3-9 SHIOMACHIDORI MINAMI-KU OSAKA-SHI OSAKA-FU

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Komura, Tamotsu Kawanishi, JP 4 61
Tsunekawa, Masayoshi Kawanishi, JP 12 133
Yoshida, Shinzo Kawanishi, JP 3 56

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