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Title:
DENTAL MATERIAL AND COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2002/034207
Kind Code:
A1
Abstract:
A dental material containing a sulfur-bearing unsaturated carboxylic acid ester compound which bears both a sulfur -containing substituent and at least two (meth)acrylic acid residues bonded to secondary or tertiary carbon atoms through oxygen, more specifically, a dental material containing a polymerizable monomer represented by the general formula (1): (1) [wherein R¿11? is a divalent organic group; X¿11? is oxygen, sulfur, -COOH-, or (CH¿2?)¿q?X¿12?- (wherein X¿12? is oxygen or sulfur; and q is an integer of 1 to 3); R¿12? is hydrogen or alkyl; R¿13? is a sulfur-containing substituent; and R¿14? is hydrogen or methyl]. The dental material and dental compositions containing the same are excellent in X-ray opacity, transparency, curing properties and stain resistance, and little cause volume shrinkage during polymerization.

Inventors:
Honda, Narimichi c/o SUN MEDICAL CO. (LTD. 571-2 Furutaka-cho Moriyama-shi, Shiga, 524-0044, JP)
Kasagi, Akifumi c/o SUN MEDICAL CO. (LTD. 571-2 Furutaka-cho Moriyama-shi, Shiga, 524-0044, JP)
Takagi, Masatoshi c/o Mitsui, Chemicals (INC. 580-32 Nagaura Sodegaura-shi, Chiba, 299-0265, JP)
Otsuji, Atsuo c/o Mitsui, Chemicals (INC. 580-32 Nagaura Sodegaura-shi, Chiba, 299-0265, JP)
Takuma, Keisuke c/o Mitsui, Chemicals (INC. 2-5 Kasumigaseki 3-chome Chiyoda-ku, Tokyo, 100-6070, JP)
Fujiyama, Takahiro c/o Mitsui, Chemicals (INC. 580-32 Nagaura Sodegaura-shi, Chiba, 299-0265, JP)
Application Number:
PCT/JP2001/009281
Publication Date:
May 02, 2002
Filing Date:
October 23, 2001
Export Citation:
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Assignee:
SUN MEDICAL CO., LTD. (571-2, Furutaka-cho Moriyama-shi, Shiga, 524-0044, JP)
MITSUI CHEMICALS, INC. (2-5 Kasumigaseki 3-chome Chiyoda-ku, Tokyo, Tokyo, 100-6070, JP)
Honda, Narimichi c/o SUN MEDICAL CO. (LTD. 571-2 Furutaka-cho Moriyama-shi, Shiga, 524-0044, JP)
Kasagi, Akifumi c/o SUN MEDICAL CO. (LTD. 571-2 Furutaka-cho Moriyama-shi, Shiga, 524-0044, JP)
Takagi, Masatoshi c/o Mitsui, Chemicals (INC. 580-32 Nagaura Sodegaura-shi, Chiba, 299-0265, JP)
Otsuji, Atsuo c/o Mitsui, Chemicals (INC. 580-32 Nagaura Sodegaura-shi, Chiba, 299-0265, JP)
Takuma, Keisuke c/o Mitsui, Chemicals (INC. 2-5 Kasumigaseki 3-chome Chiyoda-ku, Tokyo, 100-6070, JP)
Fujiyama, Takahiro c/o Mitsui, Chemicals (INC. 580-32 Nagaura Sodegaura-shi, Chiba, 299-0265, JP)
International Classes:
A61K6/083; C08F22/10; (IPC1-7): A61K6/083; A61K6/08; C08F20/26; C08F20/38
Foreign References:
US0532140A
JPH1067614A
JP2000044421A
EP1057808A2
Attorney, Agent or Firm:
Suzuki, Shunichiro (SUZUKI & ASSOCIATES Gotanda Yamazaki Bldg. 6F, 13-6 Nishigotanda 7-chome Shinagawa-ku, Tokyo, 141-0031, JP)
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