Liquid of acrylic copolymer and tetrahydrofurantetracarboxylic acid for setting dental cements

Claim 2

A liquid for setting dental cements in which a 45 to 55% aqueous solution of a copolymer of acrylic acid and maleic acid contains a tetrahydrofurantetracarboxylic acid in an amount ranging from 10 to 30% based on the total weight.

Claim 3

A liquid for setting dental cements in which a 45 to 55% aqueous solution of a copolymer of acrylic acid and maleic acid contains a tetrahydrofurantetracarboxylic acid and at least one of fluorocomplex salts in amounts ranging from 10 to 30% and 0.1 to 5%, respectively, based on the total weight.

Claim 4

A liquid for setting dental cements in which a 45 to 55% aqueous solution of a copolymer of acrylic acid and maleic acid contains a tetrahydrofurantetracarboxylic acid and at least one of fluorocomplex salts in amounts ranging from 10 to 30% and 0.1 to 5%, respectively, based on the total weight.

Claim 5

A liquid for settling dental cements in which a 45 to 55% aqueous solution of a copolymer of acrylic acid and maleic acid contains a tetrahydrofurantetracarboxylic acid and at least one of organic carboxylic acids that are compounds consisting of only a combination of C, H and O, having a structure comprising six or less skeletal carbon atoms to which relative carboxyl groups are bonded directly, as expressed by the general formula: C.sub.m H.sub.n (COOH).sub.x (OH).sub.y wherein m, n, x and y stand for integers on condition that m=1-6, n=0-6, x=(m/2)-6 (m: an even number) or [(m+1)/2]-6 (m: an uneven number), and y=0-1, and having in its skeleton at most one methylene group (--CH 2 --) but neither other groups nor any double bonds that are soluble and easily polymerizable, in a total amount ranging from 10 to 30% based on the total weight.

Claim 6

A liquid for settling dental cements in which a 45 to 55% aqueous solution of a copolymer of acrylic acid and maleic acid contains a tetrahydrofurantetracarboxylic acid and at least one of organic carboxylic acids that are compounds consisting of only a combination of C, H and O, having a structure comprising six or less skeletal carbon atoms to which relative carboxyl groups are bonded directly, as expressed by the general formula: C.sub.m H.sub.n (COOH).sub.x (OH).sub.y wherein m, n, x and y stand for integers on condition that m=1-6, n=0-6, x=(m/2)-6 (m: an even number) or [(m+1)/2]-6 (m: an uneven number), and y=0-1, and having in its skeleton at most one methylene group (--CH 2 --) but neither other groups nor any double bonds that are soluble and easily polymerizable, in a total amount ranging from 10 to 30% based on the total weight.

Claim 7

A liquid for setting dental cements in which a 45 to 55% aqueous solution of a copolymer of acrylic acid and maleic acid contains a tetrahydrofurantetracarboxylic acid and at least one of organic carboxylic acids that are compounds consisting of only a combination of C, H and O, having a structure comprising six or less skeletal carbon atoms to which relative carboxyl groups are bonded directly, as expressed by the general formula: C.sub.m H.sub.n (COOH).sub.x (OH).sub.y wherein m, n, x and y stand for integers on condition that m=1-6, n=0-6, x=(m/2)-6 (m: an even number) or [(m+1)/2]-6 (m: an uneven number), and y=0-1, and having in its skeleton at most one methylene group (--CH 2 --) but neither other groups nor any double bonds that are soluble and easily polymerizable, in a total amount ranging from 10 to 30% based on the total weight, and further contains fluorocomplex salts in amounts ranging from 0.1 to 5% based on the total weight.

Claim 8

A liquid for setting dental cements in which a 45 to 55% aqueous solution of a copolymer of acrylic acid and maleic acid contains a tetrahydrofurantetracarboxylic acid and at least one of organic carboxylic acids that are compounds consisting of only a combination of C, H and O, having a structure comprising six or less skeletal carbon atoms to which relative carboxyl groups are bonded directly, as expressed by the general formula: C.sub.m H.sub.n (COOH).sub.x (OH).sub.y wherein m, n, x and y stand for integers on condition that m=1-6, n=0-6, x=(m/2)-6 (m: an even number) or [(m+1)/2]-6 (m: an uneven number), and y=0-1, and having in its skeleton at most one methylene group (--CH 2 --) but neither other groups nor any double bonds that are soluble and easily polymerizable, in a total amount ranging from 10 to 30% based on the total weight, and further contains fluorocomplex salts in amounts ranging from 0.1 to 5% based on the total weight.

Claim 9

A liquid for setting dental cements in which a 45 to 55% aqueous solution of a copolymer of acrylic acid and maleic acid contains a tetrahydrofurantetracarboxylic acid and tartaric acid in a total amount ranging from 10 to 30% based on the total weight.

Claim 10

A liquid for setting dental cements in which a 45 to 55% aqueous solution of a copolymer of acrylic acid and maleic acid contains a tetrahydrofurantetracarboxylic acid and tartaric acid in a total amount ranging from 10 to 30% based on the total weight.

Claim 11

A liquid for setting dental cements in which a 45 to 55% aqueous solution on a copolymer of acrylic acid and maleic acid contains a tetrahydrofurantetracarboxylic acid and tartaric acid in a total amount ranging from 10 to 30% based on the total weight, and further contains fluorocomplex salts in amounts ranging from 0.1 to 5% based on the total weight.

Claim 12

A liquid for setting dental cements in which a 45 to 55% aqueous solution on a copolymer of acrylic acid and maleic acid contains a tetrahydrofurantetracarboxylic acid and tartaric acid in a total amount ranging from 10 to 30% based on the total weight, and further contains fluorocomplex salts in amounts ranging from 0.1 to 5% based on the total weight.

Claim 13

A liquid for setting dental cements in which a 45 to 55% aqueous solution of a copolymer of acrylic acid and maleic acid contains a tetrahydrofurantetracarboxylic acid, tartaric acid and at least one of organic carboxylic acids that are compounds consisting of only a combination of C, H and O, having a structure comprising six or less skeletal carbon atoms to which relative carboxyl groups are bonded directly, as expressed by the general formula: C.sub.m H.sub.n (COOH).sub.x (OH).sub.y wherein m, n, x and y stand for integers on condition that m=1-6, n=0-6, x=(m/2)-6 (m: an even number) or [(m+1)/2]-6 (m: an uneven number), and y=0-1, and having in its skeleton at most one methylene group (--CH 2 --) but neither other groups nor any double bonds that are soluble and easily polymerizable, in a total amount ranging from 10 to 30% based on the total weight.

Claim 14

A liquid for setting dental cements in which a 45 to 55% aqueous solution of a copolymer of acrylic acid and maleic acid contains a tetrahydrofurantetracarboxylic acid, tartaric acid and at least one of organic carboxylic acids that are compounds consisting of only a combination of C, H and O, having a structure comprising six or less skeletal carbon atoms to which relative carboxyl groups are bonded directly, as expressed by the general formula: C.sub.m H.sub.n (COOH).sub.x (OH).sub.y wherein m, n, x and y stand for integers on condition that m=1-6, n=0-6, x=(m/2)-6 (m: an even number) or [(m+1)/2]-6 (m: an uneven number), and y=0-1, and having in its skeleton at most one methylene group (--CH 2 --) but neither other groups nor any double bonds that are soluble and easily polymerizable, in a total amount ranging from 10 to 30% based on the total weight.

Claim 15

A liquid for setting dental cements in which a 45 to 55% aqueous solution of a copolymer of acrylic acid and maleic acid contains a tetrahydrofurantetracarboxylic acid, tartaric acid and at least one of organic carboxylic acids that are compounds consisting of only a combination of C, H and O, having a structure comprising six or less skeletal carbon atoms to which relative carboxyl groups are bonded directly, as expressed by the general formula: C.sub.m H.sub.n (COOH).sub.x (OH).sub.y wherein m, n, x and y stand for integers on condition that m=1-6, n=0-6, x=(m/2)-6 (m: an even number) or [(m+1)/2]-6 (m: an uneven number), and y=0-1, and having in its skeleton at most one methylene group (--CH 2 --) but neither other groups nor any double bonds that are soluble and easily polymerizable, in a total amount ranging from 10 to 30% based on the total weight, and further contains fluorocomplex salts in amounts ranging from 0.1 to 5% based on the total weight.

Claim 16

A liquid for setting dental cements in which a 45 to 55% aqueous solution of a copolymer of acrylic acid and maleic acid contains a tetrahydrofurantetracarboxylic acid, tartaric acid and at least one of organic carboxylic acids that are compounds consisting of only a combination of C, H and O, having a structure comprising six or less skeletal carbon atoms to which relative carboxyl groups are bonded directly, as expressed by the general formula: C.sub.m H.sub.n (COOH).sub.x (OH).sub.y wherein m, n, x and y stand for integers on condition that m=1-6, n=0-6, x=(m/2)-6 (m: an even number) or [(m+1)/2]-6 (m: an uneven number), and y=0-1, and having in its skeleton at most one methylene group (--CH 2 --) but neither other groups nor any double bonds that are soluble and easily polymerizable, in a total amount ranging from 10 to 30% based on the total weight, and further contains fluorocomplex salts in amounts ranging from 0.1 to 5% based on the total weight.