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US 5,629,211 AGranted
Veterinary diagnostic test
AssigneeHiroshi Maeda
InventorKazuhiro Tsutsumi
Life of this patent
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Abstract
A composite reagent, for a veterinary diagnostic test, which contains a color reagent substance to produce a color by reacting with either one or both of magnesium (Mg) ions and calcium (Ca) ions, a polyoxyethylene alkylphenyl ether, and a masking agent for interfering metal ions in a urine of an animal other than the Mg ions and the Ca ions.
Claims3
A diagnostic process to detect animal urinary tract disorders due to urinary calculus and diseases of the urinary tract characterized by presence of at least one of magnesium and calcium ions in urine the process comprising:
- contacting a sample of animal urine with a solution of a composite reagent of (i) xylylazo violet-1 as a color reagent, (ii) a polyoxyethylene alkylphenylether as a surfactant, and (iii) a masking agent of a mixture of triethanolamine (TEA), and ethylene glycolbis (2-aminoethyl ether) N,N'-tetraacetyl acid (EGTA), in a 1:1.5 to 1:4 weight ratio;
- observing a color change caused by the reaction of at least one of calcium and magnesium ions with said composite reagent;
- and
- relating said color change to animal urinary tract disorders.
1 more element
Dependencies are inferred from the claim text.