JP2021018248A - 熱脱離装置アセンブリおよび分光測定方法 - Google Patents
熱脱離装置アセンブリおよび分光測定方法 Download PDFInfo
- Publication number
- JP2021018248A JP2021018248A JP2020120304A JP2020120304A JP2021018248A JP 2021018248 A JP2021018248 A JP 2021018248A JP 2020120304 A JP2020120304 A JP 2020120304A JP 2020120304 A JP2020120304 A JP 2020120304A JP 2021018248 A JP2021018248 A JP 2021018248A
- Authority
- JP
- Japan
- Prior art keywords
- heater element
- housing
- desorption heater
- sample cavity
- assembly
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000004611 spectroscopical analysis Methods 0.000 title abstract 2
- 238000003795 desorption Methods 0.000 claims abstract description 73
- 238000004891 communication Methods 0.000 claims abstract description 4
- 239000012530 fluid Substances 0.000 claims abstract description 4
- 239000012491 analyte Substances 0.000 claims description 27
- 239000011521 glass Substances 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000012546 transfer Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 claims 1
- 238000000691 measurement method Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 239000002360 explosive Substances 0.000 description 3
- 229940079593 drug Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000005388 borosilicate glass Substances 0.000 description 1
- 229940125368 controlled substance Drugs 0.000 description 1
- 239000000599 controlled substance Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/40—Concentrating samples
- G01N1/405—Concentrating samples by adsorption or absorption
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
-
- 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
-
- 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
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2214—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling by sorption
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/40—Concentrating samples
- G01N1/4022—Concentrating samples by thermal techniques; Phase changes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
- G01N27/622—Ion mobility spectrometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01Q—SCANNING-PROBE TECHNIQUES OR APPARATUS; APPLICATIONS OF SCANNING-PROBE TECHNIQUES, e.g. SCANNING PROBE MICROSCOPY [SPM]
- G01Q30/00—Auxiliary means serving to assist or improve the scanning probe techniques or apparatus, e.g. display or data processing devices
- G01Q30/02—Non-SPM analysing devices, e.g. SEM [Scanning Electron Microscope], spectrometer or optical microscope
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J49/00—Particle spectrometers or separator tubes
- H01J49/02—Details
- H01J49/04—Arrangements for introducing or extracting samples to be analysed, e.g. vacuum locks; Arrangements for external adjustment of electron- or ion-optical components
- H01J49/0468—Arrangements for introducing or extracting samples to be analysed, e.g. vacuum locks; Arrangements for external adjustment of electron- or ion-optical components with means for heating or cooling the sample
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N2001/002—Devices for supplying or distributing samples to an analysing apparatus
-
- 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
- G01N2001/028—Sampling from a surface, swabbing, vaporising
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N2030/0075—Separation due to differential desorption
- G01N2030/008—Thermal desorption
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
Description
本発明は、国土安全保障省から授与された契約番号HSHQDC−16−C−B0001の下で政府の支援を受けて行われた。政府は、本発明において一定の権利を有する。
Claims (20)
- ハウジングと、
脱離加熱器要素であって、前記脱離加熱器要素と前記ハウジングの内壁との間に試料空洞が画定された状態で前記ハウジング内に取り付けられた前記脱離加熱器要素と、
前記ハウジング内に画定された排出ポートと、
前記試料空洞から前記排出ポートに分析物を移送して前記分析物を分光計に導入するために前記試料空洞と前記排出ポートとを流体連通で接続する流路とを含む、熱脱離装置アセンブリ。 - 前記脱離加熱器要素が金属抵抗加熱器を含む、請求項1に記載のアセンブリ。
- 前記流路が、前記脱離加熱器要素の側面上の径方向外向きのポートから前記脱離加熱器要素内に画定され、前記脱離加熱器要素内で軸方向に伸びている主流路部に接続される、請求項1に記載のアセンブリ。
- 前記流路が前記脱離加熱器要素内に画定された第1の流路であり、前記脱離加熱器要素内に画定された第2の流路をさらに含む、請求項1に記載のアセンブリ。
- 前記ハウジングがガラス管を含み、前記試料空洞が、前記脱離加熱器要素の外向きの面と前記ガラス管の内向きの面との間に画定される、請求項1に記載のアセンブリ。
- 前記ガラス管が環状であり、前記脱離加熱器要素が円筒状であり、前記試料空洞が断面において環状である、請求項5に記載のアセンブリ。
- 前記ガラス管が、前記ハウジングの外向きの端面と面一であり、前記脱離加熱器要素が前記端面に対して凹設されている、請求項5に記載のアセンブリ。
- 前記ガラス管が前記ハウジングのシース構成要素内に取り付けられる、請求項5に記載のアセンブリ。
- 前記ハウジングの排出ポートの反対側の試料採取端にて前記ハウジングに取り付けられたドアをさらに含み、前記ドアが、前記試料空洞を閉じる閉位置と、試料を挿入または試料を前記試料空洞から除去するようにアクセスするために前記試料空洞を開く開位置と、の間で移動するように構成される、請求項5に記載のアセンブリ。
- 前記ガラス管が前記ハウジングの外向きの端面と面一であり、前記脱離加熱器要素が前記端面に対して凹設されており、前記ドアが、前記ドアが前記閉位置にある状態で前記脱離加熱器要素が凹設された前記ガラス管に入るように構成されたプラグ部と、前記ドアが前記閉位置にある状態で前記ハウジングの前記端面に係合するように構成された主ドア部とを含む、請求項9に記載のアセンブリ。
- 前記流路と前記ハウジングの前記排出ポートとの間を動作可能に接続するガスポート要素をさらに含む、請求項1に記載のアセンブリ。
- 前記ハウジング内に取り付けられた抵抗温度検出器要素であって、前記脱離加熱器要素の温度を検出し、フィードバックデータを出力して前記脱離加熱器要素の温度制御を行うために動作可能に接続された前記抵抗温度検出器要素をさらに含む、請求項1に記載のアセンブリ。
- 前記脱離加熱器要素を一定温度に維持するために前記抵抗温度検出器及び前記脱離加熱器要素に動作可能に接続されたコントローラをさらに含む、請求項12に記載のアセンブリ。
- 前記排出ポートから分析物の流れを受けて前記分析物を検出するために前記ハウジングに動作可能に接続された分光計をさらに含む、請求項1に記載のアセンブリ。
- 前記分光計が移動度分光計を含む、請求項14に記載のアセンブリ。
- 分光測定方法であって、
分析物を有する試料を環状の試料空洞内に導入することと、
前記試料空洞の内方側の脱離加熱器要素を加熱することによって分析物を前記試料から脱離させることと、
前記分析物を前記試料空洞から分光計内に誘導することと、
前記分光計を使用して前記分析物を分析することによって標的分析物の存在を識別することと、を含む、方法。 - 前記試料を導入することが、
スワブ片を使用して対象の表面を拭き取ることによって前記対象の表面から分析物を取得することと、
前記スワブ片を前記試料空洞内に挿入し、前記脱離加熱器要素の周囲に前記スワブ片を少なくとも部分的に巻き付けることと、を含む、請求項16に記載の方法。 - 前記スワブ片を挿入した後に前記試料空洞の開放端を閉じるためにドアを閉じることをさらに含む、請求項17に記載の方法。
- 周囲温度よりも高い一定温度に前記脱離加熱器要素の加熱を制御することをさらに含む、請求項18に記載の方法。
- 前記ドアを開くことと、前記スワブ片を前記試料空洞から除去することとをさらに含む、請求項19に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/513,203 | 2019-07-16 | ||
US16/513,203 US11415495B2 (en) | 2019-07-16 | 2019-07-16 | Thermal desorbers |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021018248A true JP2021018248A (ja) | 2021-02-15 |
JP7476012B2 JP7476012B2 (ja) | 2024-04-30 |
Family
ID=71138591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020120304A Active JP7476012B2 (ja) | 2019-07-16 | 2020-07-14 | 熱脱離装置アセンブリおよび分光測定方法 |
Country Status (6)
Country | Link |
---|---|
US (2) | US11415495B2 (ja) |
EP (1) | EP3767270B1 (ja) |
JP (1) | JP7476012B2 (ja) |
CN (1) | CN112240849B (ja) |
AU (1) | AU2020205299A1 (ja) |
CA (1) | CA3084414A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114112628A (zh) * | 2021-11-19 | 2022-03-01 | 广州禾信仪器股份有限公司 | 样品检测系统、加热装置、加热组件及加热装置的使用方法 |
CN114894595A (zh) * | 2022-05-26 | 2022-08-12 | 北京纳通医用机器人科技有限公司 | 热脱附组件和肺癌检测仪 |
Family Cites Families (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5098094A (en) * | 1990-09-04 | 1992-03-24 | Shigeru Kita | Tethered ball practice apparatus |
JP3506599B2 (ja) * | 1998-02-04 | 2004-03-15 | Necエレクトロニクス株式会社 | 分析方法 |
JP2002090342A (ja) * | 2000-09-19 | 2002-03-27 | Denshi Kagaku Kk | 昇温脱離ガス分析装置 |
JP2003042980A (ja) * | 2001-07-30 | 2003-02-13 | Rigaku Corp | 昇温脱離分析装置 |
CN2773682Y (zh) * | 2005-03-15 | 2006-04-19 | 华南师范大学 | 程序升温热解吸自动进样仪 |
US10309929B2 (en) | 2006-02-14 | 2019-06-04 | Excellims Corporation | Practical ion mobility spectrometer apparatus and methods for chemical and/or biological detection |
JP2008241533A (ja) | 2007-03-28 | 2008-10-09 | Mitsubishi Heavy Ind Ltd | 試料導入装置および試料導入方法 |
JP4885110B2 (ja) | 2007-11-07 | 2012-02-29 | 三菱重工業株式会社 | 試料導入装置及び試料分析システム |
IL193003A (en) | 2008-07-23 | 2011-12-29 | Aviv Amirav | Open probe method and device for sample introduction for mass spectrometry analysis |
DE102008037416B3 (de) * | 2008-10-06 | 2010-03-11 | Joint Analytical Systems Gmbh | Transfereinheit für Analysengeräte |
US8161830B2 (en) | 2008-11-21 | 2012-04-24 | Morpho Detection, Inc. | Method, apparatus, and system for integrated vapor and particulate sampling |
CN101457998B (zh) * | 2009-01-01 | 2010-07-21 | 中国海洋大学 | 溶液变压解吸-压缩制冷循环装置 |
CN103370616B (zh) * | 2010-10-29 | 2017-03-29 | 恩姆菲舍尔科技公司 | 用于样品制备和分析的自动化系统及方法 |
CN102022115B (zh) * | 2010-12-30 | 2013-03-13 | 中国电子科技集团公司第二十二研究所 | 定量针管注样系统和方法 |
CA2824525C (en) | 2011-01-12 | 2017-07-04 | 1St Detect Corporation | Evacuating a sample chamber |
US8841609B2 (en) * | 2012-10-26 | 2014-09-23 | Autoclear LLC | Detection apparatus and methods utilizing ion mobility spectrometry |
CN105531577B (zh) * | 2013-07-24 | 2019-01-18 | 蒙特利尔史密斯安检仪公司 | 无机高氯酸盐表面的原位化学转化和电离 |
CN104458970B (zh) * | 2013-09-13 | 2016-04-27 | 中国科学院大连化学物理研究所 | 一种热解吸装置 |
US9528969B2 (en) | 2013-12-11 | 2016-12-27 | Morpho Detection, Inc. | Apparatus, system and method for flash heating |
EP3104394B1 (en) * | 2014-02-04 | 2019-08-07 | BioChromato, Inc. | Coupling device for mass spectrometer |
US9297828B2 (en) | 2014-03-27 | 2016-03-29 | Ut-Battelle, Llc | High heating rate thermal desorption for molecular surface sampling |
LT6321B (lt) * | 2014-12-12 | 2016-10-10 | Valstybinis mokslinių tyrimų institutas Fizinių ir technologijos mokslų centras | Būdas ir įrenginys, skirtas ore ar kitose dujose esančiai elementinei gyvsidabrio komponentei nustatyti |
CN107064361B (zh) | 2014-12-31 | 2020-03-27 | 同方威视技术股份有限公司 | 检测设备和检测方法 |
CN106645369B (zh) * | 2015-11-03 | 2019-04-02 | 中国科学院大连化学物理研究所 | 一种在线检测仪 |
US10502664B2 (en) * | 2016-03-08 | 2019-12-10 | Entech Instruments Inc. | Vacuum-assisted sample extraction device and method |
US10103015B2 (en) * | 2016-04-29 | 2018-10-16 | Dh Technologies Development Pte. Ltd. | Sampling interface for mass spectrometry systems and methods |
WO2017210557A1 (en) * | 2016-06-02 | 2017-12-07 | Max Analytical Technologies, Inc. | Analysis system and method employing thermal desorption and spectrometric analysis |
CN105938077B (zh) * | 2016-07-06 | 2018-08-17 | 河南理工大学 | 装有煤样瓶弹射器的煤钻屑瓦斯解吸仪及其试验方法 |
CN109844901B (zh) * | 2016-10-14 | 2022-06-14 | Dh科技发展私人贸易有限公司 | 提高用于质谱分析的直接取样接口灵敏度的方法和系统 |
CN106373857B (zh) * | 2016-10-28 | 2017-12-08 | 中国科学院生态环境研究中心 | 质子化增强基质辅助激光解吸电离离子源 |
CN106644553A (zh) | 2016-12-08 | 2017-05-10 | 清华大学 | 擦拭采样装置、读卡设备和闸机设备 |
CN106771285B (zh) | 2017-01-11 | 2019-05-07 | 同方威视技术股份有限公司 | 擦拭采样和进样装置、读卡设备和闸机设备 |
CN107051206B (zh) * | 2017-02-16 | 2018-09-21 | 中国科学院上海应用物理研究所 | 一种石墨中氢或其同位素解吸反应釜 |
US10458885B2 (en) | 2017-03-31 | 2019-10-29 | Rapiscan Systems, Inc. | Rapid desorber heating and cooling for trace detection |
CN108802161A (zh) * | 2017-05-04 | 2018-11-13 | 瑞湾科技(珠海)有限公司 | 一种质谱热解析进样的方法和装置 |
US10578525B2 (en) | 2017-08-03 | 2020-03-03 | Bae Systems Information And Electronic Systems Integration Inc. | Chemical preconcentrator with integrated heat source for enhanced chemical analysis |
CN108132166B (zh) | 2017-12-29 | 2024-03-12 | 清华大学 | 采样吸附器、热解析腔装置、采样模块以及分析设备 |
CN109308990A (zh) | 2018-09-25 | 2019-02-05 | 公安部第三研究所 | 用于离子迁移谱探测仪的进样系统 |
CN109444296A (zh) * | 2018-12-29 | 2019-03-08 | 山东金普分析仪器有限公司 | 一种tvoc检测仪的实用型热解吸装置 |
-
2019
- 2019-07-16 US US16/513,203 patent/US11415495B2/en active Active
-
2020
- 2020-06-19 CA CA3084414A patent/CA3084414A1/en active Pending
- 2020-06-23 EP EP20181748.3A patent/EP3767270B1/en active Active
- 2020-07-14 JP JP2020120304A patent/JP7476012B2/ja active Active
- 2020-07-15 CN CN202010680386.0A patent/CN112240849B/zh active Active
- 2020-07-16 AU AU2020205299A patent/AU2020205299A1/en active Pending
-
2022
- 2022-03-18 US US17/698,229 patent/US11609164B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP3767270B1 (en) | 2023-04-05 |
CN112240849B (zh) | 2024-03-19 |
CN112240849A (zh) | 2021-01-19 |
JP7476012B2 (ja) | 2024-04-30 |
EP3767270A1 (en) | 2021-01-20 |
US20210018409A1 (en) | 2021-01-21 |
US20220214254A1 (en) | 2022-07-07 |
US11415495B2 (en) | 2022-08-16 |
US11609164B2 (en) | 2023-03-21 |
AU2020205299A1 (en) | 2021-02-04 |
CA3084414A1 (en) | 2021-01-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11609164B2 (en) | Thermal desorbers | |
US9329066B2 (en) | Flow regulating system and monitoring device comprising said flow regulating system for the detection of air borne analytes | |
US9789434B1 (en) | Systems and methods for gas pre-separation for detection of substances | |
US10401336B2 (en) | Method and system for low temperature detection of semi volatile organic compounds | |
US20200240894A1 (en) | Volatility-resolved chemical characterization of airborne particles | |
JP2017509901A5 (ja) | ||
US11852617B2 (en) | Thermal desorption tube collection system and method | |
Liu et al. | Smart multi-channel two-dimensional micro-gas chromatography for rapid workplace hazardous volatile organic compounds measurement | |
AU2010292492A1 (en) | Preconcentrating a sample | |
US9389207B2 (en) | Portable gas analyzer | |
EP2632566B1 (en) | Analysis of molecular contamination in vacuum environments | |
US11733159B2 (en) | Analysis system and method employing thermal desorption and spectrometric analysis | |
Nasreddine et al. | Portable novel micro-device for BTEX real-time monitoring: Assessment during a field campaign in a low consumption energy junior high school classroom | |
GB2250633A (en) | Preconcentrating gas samples for analysis | |
Kokoric et al. | muciPRECON: multichannel preconcentrators for portable mid-infrared hydrocarbon gas sensors | |
Mach et al. | Development of multi-membrane near-infrared diode mass spectrometer for field analysis of aromatic hydrocarbons | |
US8043565B1 (en) | Analytical instrumentation and processes | |
JP2006145535A (ja) | ガスクロマトグラフィ試料導入装置およびその使用方法 | |
Kubišta et al. | Combined use of gas chromatography and selected ion flow tube mass spectrometry for absolute trace gas quantification | |
Arce | Ion Mobility Spectrometry | |
CN206649002U (zh) | 一种气相色谱仪 | |
Hein et al. | Laser-excited fluorescence detection of gas-phase chromatography eluates | |
Rosenberg | Trace organic analysis by gas chromatography with selective detectors |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20230117 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20231010 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20231114 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20240214 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20240319 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20240417 |