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1. WO2020093072 - GAS DETECTOR TUBE KIT AND METHODS OF READING GAS DETECTOR TUBES

Publication Number WO/2020/093072
Publication Date 07.05.2020
International Application No. PCT/US2019/067492
International Filing Date 19.12.2019
IPC
G01N 21/77 2006.01
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
21Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
75Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
77by observing the effect on a chemical indicator
G01N 21/78 2006.01
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
21Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
75Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
77by observing the effect on a chemical indicator
78producing a change of colour
CPC
G01N 2021/7796
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
21Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
75Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
77by observing the effect on a chemical indicator
7796Special mountings, packaging of indicators
G01N 21/293
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
21Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
17Systems in which incident light is modified in accordance with the properties of the material investigated
25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
29using visual detection
293with colour charts, graduated scales or turrets
G01N 21/783
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
21Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
75Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
77by observing the effect on a chemical indicator
78producing a change of colour
783for analysing gases
G01N 31/22
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
31Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup
22using chemical indicators
G01N 31/223
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
31Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup
22using chemical indicators
223for investigating presence of specific gases or aerosols
Applicants
  • NEXTTEQ LLC [US]/[US]
Inventors
  • TRUEX, Bryan I.
Agents
  • PIKE, Bernard G.
Priority Data
16/178,78702.11.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) GAS DETECTOR TUBE KIT AND METHODS OF READING GAS DETECTOR TUBES
(FR) KIT DE TUBES DÉTECTEURS DE GAZ ET PROCÉDÉS DE LECTURE DE TUBES DÉTECTEURS DE GAZ
Abstract
(EN)
Gas detector tubes kits are described. Gas detector tubes may be used to determine the concentration of target gases and/or interferent gases in a sampled gas either visually or electronically.
(FR)
L'invention concerne des kits de tubes détecteurs de gaz. Des tubes détecteurs de gaz peuvent être utilisés pour déterminer la concentration de gaz cibles et/ou de gaz interférents dans un gaz échantillonné visuellement ou électroniquement.
Also published as
Latest bibliographic data on file with the International Bureau