ClassID:

168976

G01N31/225 - CPC Classification

Classification description:

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

Recent Application in this class:
#1
20250312795
2025-10-09

HEADSPACE ELIMINATING MICROTITER PLATE LID AND METHOD OF OPTICALLY MEASURING WELL OXYGEN CONCENTRATION THROUGH THE LID

#2
20250067712
2025-02-27

Oxygen Sensing Composition and Method of Use

#3
20240310341
2024-09-19

COLORIMETRIC SENSOR AND ITS PREPARATION PROCEDURE

#4
20240302339
2024-09-12

OXYGEN CONSUMPTION ASSAY

#5
20240210368
2024-06-27

SENSOR ELEMENT FOR AN OPTOCHEMICAL SENSOR

#6
20240027411
2024-01-25

METHOD AND APPARATUS FOR DETERMINING CONCENTRATION OF COMPOUND IN ULTRAPURE WATER

#7
20230408468
2023-12-21

Diagnostic System for Oxygen Concentrators

#8
20230390776
2023-12-07

HEADSPACE ELIMINATING MICROTITER PLATE LID AND METHOD OF OPTICALLY MEASURING WELL OXYGEN CONCENTRATION THROUGH THE LID

#9
20230375514
2023-11-23

THIOCARBAMATE-BASED INDICATOR DETECTION OF OZONE

#10
20230243793
2023-08-03

THERMOPLASTIC FILMS AND BAGS WITH COLOR CHANGING INDICATORS AND METHODS OF MAKING THE SAME

#11
20220196618
2022-06-23

SENSOR BASED ON A POLYOLEFIN MATRIX AND A SENSING COMPOUND

#12
20210339510
2021-11-04

Thermoplastic films and bags with malodor particle based odor control and methods of making the same

#13
20210246326
2021-08-12

Colorimetric sensor formulation and use thereof

#14
20210154664
2021-05-27

Headspace eliminating microtiter plate lid and method of optically measuring well oxygen concentration through the lid

#15
20210072205
2021-03-11

Gas concentration measurement with temperature compensation

#16
20200326286
2020-10-15

Tactical chemical detector

#17
20200270200
2020-08-27

Deuterated compounds and uses thereof

#18
20200264105
2020-08-20

Oxygen content sensor, oxygen content sensor manufacturing method and using method

#19
20200103383
2020-04-02

Thermoplastic films and bags with color changing indicators and methods of making the same

#20
20200072805
2020-03-05

Oxygen detecting composition and oxygen detecting body

#21
20190299191
2019-10-03

Nanoporous Matrix and Use Thereof

#22
20190264049
2019-08-29

Fluorescent oxygen sensing ink

#23
20190251871
2019-08-15

Display medium

#24
20190234918
2019-08-01

Layers for the detection of oxygen

#25
20190056364
2019-02-21

CORE-SHELL NANOFIBER-BASED SENSORS

#26
20190023432
2019-01-24

Flow wrapper with leakage-control of the resulting packages

#27
20180364207
2018-12-20

NANOFIBER-BASED SENSORS AND APPARATUS FOR OXYGEN MEASUREMENT, METHOD OF MAKING AND METHOD OF USING THE SAME

#28
20180172619
2018-06-21

Device for determining a measurand correlated with a concentration of an analyte in a measuring medium, and a method

#29
20180164263
2018-06-14

OPTOCHEMICAL SENSOR

#30
20180156765
2018-06-07

Sensor for determining a measurand dependent upon a concentration of reactive oxygen species

#31
20180120276
2018-05-03

GAS MOLECULE SENSOR

#32
20180119194
2018-05-03

Metalloprotein compositions

#33
20180106785
2018-04-19

Capsule suitable for non-invasive simultaneous oxygen content and temperature sensing in a living object

#34
20180104017
2018-04-19

Color sensor with gas generating layer

#35
20180067055
2018-03-08

Oxygen detecting agent composition, and molded article, sheet, packaging material for oxygen scavenger, and oxygen scavenger using the same

#36
20180024103
2018-01-25

Methods and systems for detecting and quantifying peroxy acid and peroxide in fluids

#37
20170248563
2017-08-31

Method for measuring dissolved oxygen of oxygen water

#38
20170205357
2017-07-20

Tamper-Indicating Device

#39
20170030875
2017-02-02

Optical sensor element

#40
20170016865
2017-01-19

Printable oxygen sensing composition

#41
20160216243
2016-07-28

Oxygen detecting agent composition, and molded article, sheet, packaging material for oxygen scavenger, and oxygen scavenger using the same

#42
20160146767
2016-05-26

Oxygen detecting multilayer body, as well as oxygen detecting packaging material and oxygen absorber package using the same

#43
20160089300
2016-03-31

Timed sequence indicators

#44
20160041135
2016-02-11

Core-shell nanofiber-based sensors

#45
20150307441
2015-10-29

Deuterated compounds and uses thereof

#46
20150253252
2015-09-10

Indicator device

#47
20150192519
2015-07-09

Chemically stable sensing unit with protector element

#48
20150110687
2015-04-23

Optical sensor element

#49
20150072436
2015-03-12

Methods of Measuring Dissolved Oxygen in a Hydrocarbon Stream

#50
20150001123
2015-01-01

Timed sequence indicators

#51
20140199768
2014-07-17

Leak detection in vacuum bags

#52
20140065271
2014-03-06

Oxygen sensors and their uses

#53
20130102024
2013-04-25

Optical fluorescence dual sensors and methods of preparing and using them

#54
20120142527
2012-06-07

Indicator, application thereof and related products

#55
20120083040
2012-04-05

Oxygen indicator for parenteral and enteral dosage forms

#56
20110259086
2011-10-27

Leak detection in vacuum bags

#57
20110251404
2011-10-13

Reagent for measurement of active oxygen

#58
20110244592
2011-10-06

Optochemical sensor for sensing O, and method of its preparation

#59
20110236986
2011-09-29

Sensor material and uses thereof to simultaneously sense two analytes: oxygen and pH or acidic/basic gaseous ions

#60
20110139655
2011-06-16

INDICATING PACKAGE

#61
20110136247
2011-06-09

PHOTOLUMINESCENT OXYGEN PROBE WITH REDUCED CROSS-SENSITIVITY TO HUMIDITY

#62
20110136238
2011-06-09

OXYGEN INDICATOR

#63
20110111515
2011-05-12

REAGENT FOR MEASUREMENT OF REACTIVE OXYGEN

#64
20110089407
2011-04-21

Electroluminiscent metal complexes with dibenzo[f,h] quinoxalines

#65
20110086429
2011-04-14

METHODS AND DEVICES FOR DETECTING OZONE AND CARBONYL-CONTAINING COMPOUNDS

#66
20110086418
2011-04-14

Highly sensitive oxygen sensor for cell culture

#67
20110039348
2011-02-17

Method of evaluating reaction between dissolved hydrogen and dissolved oxygen and method of evaluating ability of dissolved hydrogen to scavenge active oxygen in water

#68
20100279428
2010-11-04

Optical sensing membranes, devices and methods for simultaneous detection of two or more parameters of dissolved oxygen concentration, pH and temperature

#69
20100221468
2010-09-02

Printable oxygen sensing composition

#70
20100215878
2010-08-26

INK COMPOSITION, OXYGEN AND/OR pH INDICATOR AND PACKAGE

#71
20100203649
2010-08-12

OPTOCHEMICAL SENSOR ELEMENT

#72
20100183480
2010-07-22

Ozone detecting device

#73
20100135858
2010-06-03

Ink Composition and Oxygen Indicator

#74
20090224159
2009-09-10

Observation apparatus

#75
20090223432
2009-09-10

Oxygen detector sheet and oxygen detecting agent using the same, and method for manufacturing oxygen detector sheet

#76
20090084156
2009-04-02

Method for measuring oxygen amount in hermetically sealed container and piercing device for hermetically sealed container used therefore

#77
20080300133
2008-12-04

Oxygen Scavenger/Indicator

#78
20080272336
2008-11-06

Organic oxygen scavenger/indicator

#79
20080166815
2008-07-10

Ozone gas sensing element, detection apparatus, and measurement method

#80
20080166267
2008-07-10

Ozone gas measurement apparatus

#81
20080160619
2008-07-03

METHOD OF DETECTING OXYGEN LEAKAGE

#82
20070243618
2007-10-18

Device and method for non-invasive oxygen sensing of sealed packages

#83
20070212792
2007-09-13

Method and apparatus for measuring oxygen concentration

#84
20070212789
2007-09-13

Non-invasive method of determining oxygen concentration in a sealed package

#85
20070191524
2007-08-16

Method and device for characterizing osi material

#86
20070154353
2007-07-05

Sensor element having an anti-fouling material in a smooth surface

#87
20070152186
2007-07-05

Reactive oxygen detecting and/or absorbing compound, method for preparing said compound and a device comprising it

#88
20070092579
2007-04-26

Medical Products and Parenteral Formulations

#89
20070059837
2007-03-15

Method for noticing changes in a package, method for locating a package, package and system for locating a package

#90
20070031976
2007-02-08

Oxygen Indicator for Use in Medical Products

#91
20070029001
2007-02-08

Multiple chamber container

#92
20060172431
2006-08-03

Sol-gel encapsulated hexanuclear clusters for oxygen sensing by optical techniques

#93
20060141106
2006-06-29

Quality control method for article and oxygen detecting agent for use therein

#94
20060002822
2006-01-05

Oxygen sensitive probe

#95
20050148079
2005-07-07

METHOD OF DETECTING OXYGEN LEAKAGE

#96
20050053518
2005-03-10

Process for forming polymer structures containing an oxygen sensor

#97
20050037512
2005-02-17

Microencapsulation of oxygen-sensing particles

#98
15295205
2019-05-21

Instrument and method for sealed penetration of rigid packaging to measure internal oxygen concentration with an optical oxygen analyzer