Hydroperoxide diagnostic agents containing a chromogen indicator

Claim 2

Diagnostic agent according to claim 1 for use in the determination of peroxidatively active substances comprising a member selected from the group consisting of hydrogen peroxide and substances forming hydrogen peroxide and a chromogen as defined in claim 1.

Claim 3

Diagnostic agent as claimed in claim 1 wherein one, and only one, of the X groups in the formula is oxygen or a carbon atom substituted with two lower alkyl groups.

Claim 4

Diagnostic agent as claimed in claim 1 wherein neither of the X groups in the formula is oxygen or a carbon atom substituted with two lower alkyl groups.

Claim 5

Diagnostic agent according to claim 1 in the form of a test paper impregnated with said diagnostic agent.

Claim 6

Diagnostic agent according to claim 1 in the form of a test film impregnated with said diagnostic agent.

Claim 7

Diagnostic agent according to claim 1 in the form of a solution thereof.

Claim 8

Diagnostic agent according to claim 1 additionally containing a compound having the formula: wherein Ar is a member selected from the group consisting of benzene and naphthalene nuclei, V is a member selected from the group consisting of hydroxyl and amino, v'' is a member selected from the group consisting of hydrogen, hydroxy, Amino, alkylated amino and arylated amino, W is a member selected from the group consisting of amino, carboxy, alkyl, alkoxy, aryl and sulfonic acid groups and W'' is a member selected from the group consisting of hydrogen, amino, carboxy, alkyl, alkoxy, aryl, sulfonic acid groups and alkali metal carboxylate or sulfonate groups, as modifier.

Claim 9

Diagnostic agent according to claim 2 additionally containing a compound having the formula: wherein Ar is a member selected from the group consisting of benzene and naphthalene nuclei, V is a member selected from the group consisting of hydroxyl and amino, V'' is a member selected from the group consisting of hydrogen, hydroxy, amino, alkylated amino and arylated amino, W is a member selected from the group consisting of amino, carboxy, alkyl, aryl, alkoxy and sulfonic acid groups and W'' is a member selected from the group consisting of hydrogen, amino, carboxy, alkyl alkoxy, aryl, sulfonic acid groups and alkali metal carboxylate or sulfonate groups, as modifier.

Claim 10

Diagnostic agent according to claim 3 additionally containing a compound having the formula: wherein Ar is a member selected from the group consisting of benzene and naphthalene nuclei, V is a member selected from the group consisting of hydroxyl and amino, V'' is a member selected from the group consisting of hydrogen, hydroxy, amino, alkylated amino and arylated amino, W is a member selected from the group consisting of amino, carboxy, alkyl, alkoxy, aryl and sulfonic acid groups and W'' is a member selected from the group consisting of hydrogen, amino, carboxy, alkyl, alkoxy, aryl, sulfonic acid groups and alkali metal carboxylate or sulfonate groups, as modifier.

Claim 11

Diagnostic agent according to claim 1 wherein said chromogen (I) is 2,2''-azino-di-(3-ethyl-benzthiazolone-6-sulfonic acid).

Claim 12

Diagnostic agent according to claim 1 wherein said chromogen (I) is 2,2''-azino-di-(1-ethyl-quinoline-6-sulfonic-acid).

Claim 13

Diagnostic agent according to claim 9 wherein said chromogen (I) is 2,2''-azino-di-(1-ethyl-quinoline-6-sulfonic acid) and said modifier is o-amino-phenol-p-sulfonic acid.

Claim 14

Diagnostic agent according to claim 9 wherein said chromogen (I) is 2,2''-azino-di-(3-ethyl-benzthiazolone-6-sulfonic acid) and said modifier is p-amino-salicylic acid.

Claim 15

Diagnostic agent according to claim 9 wherein said modifier is a member selected from the group consisting of o-amino-phenol-p-sulfonic acid, (1-amino-naphthol-8)-2, 4-disulfonic acid, (7-amino-naphthol-1)-3,6-disodium sulfonate, naphthyl-1-amino-6-sulfonic acid, naphthyl-1-amino-8-sulfonic acid, p-aminosalicylic acid, o-amino-phenol, m-amino-phenol, p-phenetidene, 2-hydroxy-4-amino-4-methoxy-diphenylamine, and Alpha -naphthol-2-sulfonic acid.

Claim 16

Process for the analytical determination of hydroperoxide, a substance which reacts with the liberation of hydroperoxide, peroxidase and a peroxidate-active substance which comprises contacting a liquid containing the substance of interest with a reagent comprising a diagnostic agent according to claim 1, producing a color with respect to said liquid as visual evidence of the presence of said substance of interest in said liquid.

Claim 17

Process for the analytical determination of hydroperoxide, a substance which reacts with the liberation of hydroperoxide, peroxidase and a peroxidate-active substance which comprises contacting a liquid containing the substance of interest with a reagent comprising a diagnostic agent according to claim 9, producing a color with respect to said liquid as visual evidence of the presence of said substance of interest in said liquid.