Carbon dioxide detector
First Claim
Patent Images
1. A carbon dioxide detector which comprises an indicating member comprising an intimate mixture of a polymer vehicle and a carbon dioxide sensing medium comprising an anionic fluorimetric dye and a lipophilic organic quaternary cation.
6 Assignments
0 Petitions
Accused Products
Abstract
The detector which provides a detectable indication of the presence of an elevated proportion of carbon dioxide compared to that in normal ambient air, comprises a substrate coated by an intimate mixture of a transparent plasticised polymer vehicle, and an indicator material which undergoes a color change on exposure to carbon dioxide. The indicator material comprises an anionic fluorimetric dye and a lipophilic organic quaternary cation.
-
Citations
14 Claims
- 1. A carbon dioxide detector which comprises an indicating member comprising an intimate mixture of a polymer vehicle and a carbon dioxide sensing medium comprising an anionic fluorimetric dye and a lipophilic organic quaternary cation.
Specification