Kuraray Co., Ltd.

Junichi Ohtsuki

Koichi Okada

Miho Harada

Eiichi Terakawa

Hirotaka Kita

Koji Takahashi

Yasujiro Ohara

Yasuji Minami

The present invention provides a filler which has high water resistance and high acid resistance, and high releasing abilities of ions such as fluorine ions, and can maintain high aesthetic appreciation for a long period of time, and a dental composite material comprising the filler, excellent in water resistance, acid resistance, ion releasability and aesthetic appreciation.

Fillings and composite dental materials containing the fillings

An organic phosphate compound having at least one radically polymerizable double bond, at least one phosphate residue having one or two hydroxyl groups, and at least one hydrocarbon group having 4 or more carbon atoms in a molecule, wherein a 10% by weight methanol solution of the organic phosphate compound has an electric conductivity at 25&deg; C. of 0.5 mS/cm or less, and/or the organic phosphate compound has a light transmittance at 455 nm of 90% or more; a process for preparing the organic phosphate compound; a dental polymerizable composition comprising (a) the organic phosphate compound and (b) a polymerizable monomer capable of copolymerizing with the organic phosphate compound.

Organophosphorus compounds for dental polymerizable compositions

Growing community of inventors

Osaka, Japan

Junichi Ohtsuki