BR112021021835A2 - Método para medir a concentração de uma substância gasosa em um ambiente usando um sensor de gás, método de calibração de um sensor de gás e aparelho de sensor de gás - Google Patents

Método para medir a concentração de uma substância gasosa em um ambiente usando um sensor de gás, método de calibração de um sensor de gás e aparelho de sensor de gás

Info

Publication number
BR112021021835A2
BR112021021835A2 BR112021021835A BR112021021835A BR112021021835A2 BR 112021021835 A2 BR112021021835 A2 BR 112021021835A2 BR 112021021835 A BR112021021835 A BR 112021021835A BR 112021021835 A BR112021021835 A BR 112021021835A BR 112021021835 A2 BR112021021835 A2 BR 112021021835A2
Authority
BR
Brazil
Prior art keywords
gas sensor
gaseous substance
concentration
measuring
environment
Prior art date
Application number
BR112021021835A
Other languages
English (en)
Portuguese (pt)
Inventor
Allan Mackenzie Alasdair
Colin Crane Barry
Paul Barwell Nicholas
Praveen Sagar
Original Assignee
Scilogica Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Scilogica Corp filed Critical Scilogica Corp
Publication of BR112021021835A2 publication Critical patent/BR112021021835A2/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0006—Calibrating gas analysers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
    • G01N21/643—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes" non-biological material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
    • A61B5/14552—Details of sensors specially adapted therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/1495—Calibrating or testing of in-vivo probes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/6402—Atomic fluorescence; Laser induced fluorescence
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/6408—Fluorescence; Phosphorescence with measurement of decay time, time resolved fluorescence
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/6486—Measuring fluorescence of biological material, e.g. DNA, RNA, cells
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0011—Sample conditioning
    • G01N33/0016—Sample conditioning by regulating a physical variable, e.g. pressure or temperature
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0011—Sample conditioning
    • G01N33/0018—Sample conditioning by diluting a gas
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/483—Physical analysis of biological material
    • G01N33/497—Physical analysis of biological material of gaseous biological material, e.g. breath
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
    • G01N2021/6432—Quenching
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/7703—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides
    • G01N2021/7706—Reagent provision
    • G01N2021/772—Tip coated light guide
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N2021/7769—Measurement method of reaction-produced change in sensor
    • G01N2021/7786—Fluorescence
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/7703—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
    • G01N21/783—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour for analysing gases
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/12—Circuits of general importance; Signal processing
    • G01N2201/127—Calibration; base line adjustment; drift compensation
    • G01N2201/12746—Calibration values determination
    • G01N2201/12761—Precalibration, e.g. for a given series of reagents
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators
    • G01N31/223—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators for investigating presence of specific gases or aerosols
    • G01N31/225—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators for investigating presence of specific gases or aerosols for oxygen, e.g. including dissolved oxygen

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Optics & Photonics (AREA)
  • Biophysics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medical Informatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Surgery (AREA)
  • Hematology (AREA)
  • Urology & Nephrology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
BR112021021835A 2019-05-02 2020-05-01 Método para medir a concentração de uma substância gasosa em um ambiente usando um sensor de gás, método de calibração de um sensor de gás e aparelho de sensor de gás BR112021021835A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16/402,040 US11193916B2 (en) 2019-05-02 2019-05-02 Calibration of a gas sensor
EP19190352.5A EP3733066B1 (en) 2019-05-02 2019-08-06 Method of measuring a concentration of a gaseous substance, a gas sensor apparatus and a method of calibrating a gas sensor
PCT/GB2020/051066 WO2020222014A1 (en) 2019-05-02 2020-05-01 Calibration of a gas sensor

Publications (1)

Publication Number Publication Date
BR112021021835A2 true BR112021021835A2 (pt) 2022-01-04

Family

ID=67551196

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021021835A BR112021021835A2 (pt) 2019-05-02 2020-05-01 Método para medir a concentração de uma substância gasosa em um ambiente usando um sensor de gás, método de calibração de um sensor de gás e aparelho de sensor de gás

Country Status (11)

Country Link
US (1) US11193916B2 (enExample)
EP (1) EP3733066B1 (enExample)
JP (1) JP7535535B2 (enExample)
CN (1) CN114040709A (enExample)
AU (1) AU2020267041A1 (enExample)
BR (1) BR112021021835A2 (enExample)
CA (1) CA3138717A1 (enExample)
ES (1) ES2947585T3 (enExample)
SG (1) SG11202111912SA (enExample)
WO (1) WO2020222014A1 (enExample)
ZA (1) ZA202109717B (enExample)

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US11313799B2 (en) * 2020-02-17 2022-04-26 SciLogica Corp. Calibration of a sensor
US11864893B2 (en) * 2020-09-04 2024-01-09 Covidien Lp Oxygen sensor calibration
WO2022155460A1 (en) * 2021-01-15 2022-07-21 Woods Hole Oceanographic Institution Dissolved gas sensing system and method
CN115656427A (zh) * 2022-09-30 2023-01-31 中国人民解放军空军军医大学 一种呼出气成分检测方法及预警装置
CN117723527B (zh) * 2024-02-08 2024-05-14 杭州柔谷科技有限公司 氧分压传感器的优化控制方法、电子设备及存储介质
CN119881227A (zh) * 2025-03-27 2025-04-25 三亚中心医院(海南省第三人民医院、三亚中心医院医疗集团总院) 一种校准麻醉气体浓度检测仪检测精度的方法

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US3612866A (en) * 1969-07-08 1971-10-12 Brian Stevens Instrument for determining oxygen quantities by measuring oxygen quenching of fluorescent radiation
US4476870A (en) * 1982-03-30 1984-10-16 The United States Of America As Represented By The Department Of Health And Human Services Fiber optic PO.sbsb.2 probe
US5030420A (en) * 1982-12-23 1991-07-09 University Of Virginia Alumni Patents Foundation Apparatus for oxygen determination
US5012809A (en) 1986-10-10 1991-05-07 Shulze John E Fiber optic catheter system with fluorometric sensor and integral flexure compensation
US5233194A (en) * 1992-01-03 1993-08-03 Hewlett-Packard Company Optical gas sensor with enriching polymer
US5462879A (en) * 1993-10-14 1995-10-31 Minnesota Mining And Manufacturing Company Method of sensing with emission quenching sensors
GB2330903C (en) 1997-11-03 2002-05-15 Cancer Res Campaign Tech Sensing the concentration of a substance
US6190612B1 (en) 1998-01-21 2001-02-20 Bayer Corporation Oxygen sensing membranes and methods of making same
AU2002256413B2 (en) * 2001-05-04 2007-06-07 Sensors For Medicine And Science, Inc. Electro-optical sensing device with reference channel
US6689438B2 (en) * 2001-06-06 2004-02-10 Cryovac, Inc. Oxygen detection system for a solid article
ES2279692B1 (es) * 2005-07-02 2008-07-16 Universidad De Granada Instrumento portatil y metodo para la medida de la concentracion de gases.
US20110105869A1 (en) * 2006-01-04 2011-05-05 The Trustees Of The University Of Pennsylvania Sensor for Internal Monitoring of Tissue O2 and/or pH/CO2 In Vivo
ATE538377T1 (de) * 2007-04-02 2012-01-15 Acoustic Cytometry Systems Inc Verfahren zur verbesserten analyse von in einem akustischen feld fokussierten zellen und partikeln
EP2244631A4 (en) 2008-01-15 2014-01-22 Nicholas L Taro METHOD AND APPARATUS FOR DETERMINING DETERIORATION OF RESPIRATORY FUNCTION
JP2013534614A (ja) 2010-03-25 2013-09-05 モコン・インコーポレーテッド 発光寿命に基づく分析物検出装置及び校正技術
GB201012078D0 (en) 2010-07-19 2010-09-01 Oxford Optronix Ltd Concentration measurement using luminescene
EP2630488B1 (en) * 2010-10-22 2016-08-17 University College Cork, National University of Ireland, Cork Method of determining oxygen concentration in a live mammalian cell sample
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JP6998042B2 (ja) * 2017-01-19 2022-01-18 国立大学法人 東京大学 グルコース検出用蛍光ゲル及びそれを用いた連続的グルコースモニタリング方法
PT109877A (pt) * 2017-01-26 2018-07-26 Inst Superior Tecnico Método ótico para a medição da concentração de oxigénio em sistemas de combustível.

Also Published As

Publication number Publication date
WO2020222014A1 (en) 2020-11-05
US20200348275A1 (en) 2020-11-05
ZA202109717B (en) 2023-05-31
JP2022531382A (ja) 2022-07-06
CA3138717A1 (en) 2020-11-05
ES2947585T3 (es) 2023-08-11
JP7535535B2 (ja) 2024-08-16
SG11202111912SA (en) 2021-11-29
EP3733066C0 (en) 2023-06-07
US11193916B2 (en) 2021-12-07
AU2020267041A1 (en) 2021-12-23
CN114040709A (zh) 2022-02-11
EP3733066A1 (en) 2020-11-04
EP3733066B1 (en) 2023-06-07

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