Resin-forming material, implant material and compositions for restorative material suitable for medical or dental use

Claim 2

A composition of matter, especially useful as a dental filling material, consisting essentially of: (A) from about 50 to about 95% by weight of finely divided, inorganic filler having a Moh's hardness of at least 5 and which filler is safe and effective for use in a dental filling in the human body, and (B) from about 50 to about 5% by weight of polymerizable monomer component capable of polymerizing to form a binder resin, wherein said monomer component consists essentially of (1) from 60 to 100% by weight of a mixture consisting of (a) from 30 to 95% by weight of first monomer having the formula (II) ##STR11## and (b) from 5 to 70% by weight of second monomer having the formula (III) ##STR12## wherein R 1 , R 2 , R 3 and R 4 , which are the same or different, are hydrogen, methyl, ethyl, n-propyl or iso-propyl, and (2) up to 40% by weight of at least one, third polymerizable monomer which is different from said first and second polymerizable monomers and is suitable for use as a resin-forming monomer for dental filling materials.

Claim 3

A composition of matter according to claim 1, in which said mixture consists of 40 to 80% by weight of said first monomer and 20 to 60% by weight of said second monomer.

Claim 4

A composition of matter according to claim 1, in which said mixture consists of 45-70% by weight of said first monomer and 30-55% by weight of said second monomer.

Claim 5

A composition of matter according to claim 1, claim 2 or claim 3, in which R 1 , R 2 , R 3 and R 4 are hydrogen or methyl.

Claim 6

A composition of matter according to claim 1, claim 2 or claim 3, in which said first monomer consists essentially of tetramethylolmethane triacrylate, tetramethylolmethane trimethacrylate or a mixture thereof.

Claim 7

A composition of matter according to claim 5, in which said second monomer consists essentially of tetramethylolmethane tetraacrylate, tetramethylolmethane tetramethacrylate or a mixture thereof.

Claim 8

A composition of matter according to claim 1, in which said mixture comprises at least 70% by weight of said monomer component (B).

Claim 9

A composition of matter according to claim 1, in the form of two pastes, one paste consisting essentially of a mixture of (A), (B) and an activator for activating polymerization of (B), and the second paste consisting essentially of a mixture of (A), (B) and a catalyst for catalyzing polymerization of (B).

Claim 10

A composition of matter according to claim 1, comprising about 70 to about 90% (A) and about 30 to about 10% of (B).

Claim 11

A composition of matter according to claim 1 in which said filler has a particle diameter of 50 microns or less and is selected from the group consisting of α-SiO 2 , Al 2 O 3 , ZrO 2 and ZrSiO 4 .

Claim 12

A composition of matter according to claim 10 in which said filler is coated with a keying agent selected from the group consisting of silicon-containing organic compounds having at least three alkoxy groups and having, as a terminal group, a monoolefinic hydrocarbon group, a primary amino group or an epoxy group.

Claim 13

A composition of matter according to claim 10 in which said filler is coated with a keying agent selected from the group consisting of α-methacryloxypropyltrimethoxysilane or vinyltriethoxysilane.

Claim 14

A composition of matter, especially useful as a dental filling material, consisting essentially of: (A) from about 50 to about 95% by weight of finely divided, inorganic filler having a Moh's hardness of at least 5 and which filler is safe and effective for use in a dental filling in the human body, said filler being selected from the group consisting of α-SiO 2 , Al 2 O 3 , ZrO 2 and ZrSiO 4 , and (B) from about 50 to about 5% by weight of polymerizable monomer component capable of polymerizing to form a binder resin, wherein said monomer component consists essentially of (1) from 60 to 100% by weight of a mixture consisting of (a) from 30 to 95% by weight of first monomer having the formula (II) ##STR13## and (b) from 5 to 70% by weight of second monomer having the formula (III) ##STR14## wherein R 1 , R 2 , R 3 and R 4 , which are the same or different, are hydrogen or methyl, (2) up to 40% by weight of at least one, third polymerizable monomer which is different from said first and second polymerizable monomers and is suitable for use as a resin-forming monomer for dental filling materials, said third polymerizable monomer being selected from the group consisting of bismethacryloxyethoxydiphenylpropane, bisphenol A diglycidyl methacrylate, bisphenol A dimethacrylate, neopentylglycol dimethacrylate, triethyleneglycol dimethacrylate and trimethylolpropane triacrylate.

Claim 15

A composition of matter, especially useful as a dental filling material, consisting essentially of: (A) from about 50 to about 95% by weight of finely divided, inorganic filler having a Moh's hardness of at least 5 and which filler is safe and effective for use in a dental filling in the human body, said filler being selected from the group consisting of α-SiO 2 , Al 2 O 3 , ZrO 2 and ZrSiO 4 , and (B) from about 50 to about 5% by weight of polymerizable monomer component capable of polymerizing to form a binder resin, wherein said monomer component consists essentially of (1) from 60 to 100% by weight of a mixture consisting of (a) from 30 to 95% by weight of first monomer having the formula (II) ##STR13## and (b) from 5 to 70% by weight of second monomer having the formula (III) ##STR14## wherein R 1 , R 2 , R 3 and R 4 , which are the same or different, are hydrogen or methyl, (2) up to 40% by weight of at least one, third polymerizable monomer which is different from said first and second polymerizable monomers and is suitable for use as a resin-forming monomer for dental filling materials, said third polymerizable monomer being selected from the group consisting of bismethacryloxyethoxydiphenylpropane, bisphenol A diglycidyl methacrylate, bisphenol A dimethacrylate, neopentylglycol dimethacrylate, triethyleneglycol dimethacrylate and trimethylolpropane triacrylate.

Claim 16

A composition of matter, especially useful as a dental filling material, consisting essentially of: (A) from about 70 to about 95% by weight of finely divided, inorganic filler having a Moh's hardness of at least 5 and which filler is safe and effective for use in a dental filling in the human body, said filler being selected from the group consisting of α-SiO 2 and Al 2 O 3 , and (B) from about 30 to about 5% by weight of polymerizable monomer component capable of polymerizing to form a binder resin, wherein said monomer component consists essentially of (a) from 30 to 70% by weight of first monomer selected from the group consisting of tetramethylolmethane triacrylate and tetramethylolmethane trimethacrylate, and (b) from 30 to 70% by weight of second monomer selected from the group consisting of tetramethylolmethane tetraacrylate and tetramethylolmethane tetramethacrylate.

Claim 17

A composition of matter, especially useful as a dental filling material, consisting essentially of: (A) from about 70 to about 95% by weight of finely divided, inorganic filler having a Moh's hardness of at least 5 and which filler is safe and effective for use in a dental filling in the human body, said filler being selected from the group consisting of α-SiO 2 and Al 2 O 3 , and (B) from about 30 to about 5% by weight of polymerizable monomer component capable of polymerizing to form a binder resin, wherein said monomer component consists essentially of (a) from 30 to 70% by weight of first monomer selected from the group consisting of tetramethylolmethane triacrylate and tetramethylolmethane trimethacrylate, and (b) from 30 to 70% by weight of second monomer selected from the group consisting of tetramethylolmethane tetraacrylate and tetramethylolmethane tetramethacrylate.

Claim 18

A composition of matter according to claim 1 in which said third polymerizable monomer is selected from the group consisting of (1) polycarbinol polymethacrylates, (2) a monomer having the formula ##STR15## wherein R is hydrogen or methyl, X is alkylidene or --SO 2 --, and Y is oxyalkylene having from 2 to 5 carbon atoms or alkylidene having 1 to 5 carbon atoms, (3) a monomer having the formula ##STR16## wherein R 5 is CH 3 --, CH 3 CH 2 -- or CH 3 CH 2 CH 2 --, and R 6 is H or --CH 3 , (4) a monomer having the formula ##STR17## wherein R 7 is hydrogen or methyl, R 8 is alkylene and R 9 is a divalent hydrocarbon radical, (5) a monomer having the formula ##STR18## (6) neopentylglycol dimethacrylate and (7) triethyleneglycol dimethacrylate.