Patent ID: 9671392
Date: 2017-06-06
CPC Classifications: C07D,C40B,G01N

Claim:
1. A colorimetric multisensor array comprising: a gas which comprises a detectable analyte, and at least two different compounds chemo-selective for said detectable analyte, wherein each of said chemo-selective compounds is capable of a change in color when exposed to said detectable analyte, and wherein said gas is in contact with said at least two different chemo-selective compounds and said at least two different chemo-selective compounds are represented by the general formulas 1) and 2) immobilized on a solid support spatially separated and individually addressable: wherein, X and wherein the sub stituents R R R R R R R wherein the substituents R R and 2-substituted ethylsulfanyl, wherein the substituents are selected from the group consisting of 4-nitrophenyl and 2-(2-methoxyethoxy)ethoxy; R R and the at least two compounds have a molecular weight below 1700.