JP2019525814A - 歯科用硬化ライトシステム及び方法 - Google Patents
歯科用硬化ライトシステム及び方法 Download PDFInfo
- Publication number
- JP2019525814A JP2019525814A JP2019504909A JP2019504909A JP2019525814A JP 2019525814 A JP2019525814 A JP 2019525814A JP 2019504909 A JP2019504909 A JP 2019504909A JP 2019504909 A JP2019504909 A JP 2019504909A JP 2019525814 A JP2019525814 A JP 2019525814A
- Authority
- JP
- Japan
- Prior art keywords
- light
- curing
- monitoring
- dental material
- visible
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 164
- 238000012544 monitoring process Methods 0.000 claims abstract description 399
- 239000005548 dental material Substances 0.000 claims abstract description 251
- 230000008859 change Effects 0.000 claims abstract description 31
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 31
- 238000001723 curing Methods 0.000 claims description 360
- 239000000523 sample Substances 0.000 claims description 89
- 238000003847 radiation curing Methods 0.000 claims description 63
- 230000005855 radiation Effects 0.000 claims description 32
- 230000001953 sensory effect Effects 0.000 claims description 30
- 238000002156 mixing Methods 0.000 claims description 25
- 230000000007 visual effect Effects 0.000 claims description 17
- 239000003999 initiator Substances 0.000 claims description 15
- 239000000126 substance Substances 0.000 claims description 14
- 230000001678 irradiating effect Effects 0.000 claims description 8
- 210000000214 mouth Anatomy 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 description 19
- 230000008569 process Effects 0.000 description 14
- 230000008901 benefit Effects 0.000 description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-M acrylate group Chemical group C(C=C)(=O)[O-] NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 6
- 238000000149 argon plasma sintering Methods 0.000 description 6
- 239000011350 dental composite resin Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 239000000178 monomer Substances 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 239000013307 optical fiber Substances 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000004568 cement Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000012417 linear regression Methods 0.000 description 4
- 239000004593 Epoxy Substances 0.000 description 3
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 3
- 125000003636 chemical group Chemical group 0.000 description 3
- 230000002596 correlated effect Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- -1 peracetate Chemical class 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000013036 cure process Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000005670 electromagnetic radiation Effects 0.000 description 2
- 125000004185 ester group Chemical group 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910001507 metal halide Inorganic materials 0.000 description 2
- 150000005309 metal halides Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 150000002924 oxiranes Chemical class 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000000379 polymerizing effect Effects 0.000 description 2
- 230000002250 progressing effect Effects 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 238000007152 ring opening metathesis polymerisation reaction Methods 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000001568 sexual effect Effects 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910052724 xenon Inorganic materials 0.000 description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical group NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- 0 C[C@]1C*(*)*C1 Chemical compound C[C@]1C*(*)*C1 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 241000269400 Sirenidae Species 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 125000003158 alcohol group Chemical group 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 238000005865 alkene metathesis reaction Methods 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 230000002547 anomalous effect Effects 0.000 description 1
- 125000004069 aziridinyl group Chemical group 0.000 description 1
- 230000004397 blinking Effects 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- LBJNMUFDOHXDFG-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu].[Cu] LBJNMUFDOHXDFG-UHFFFAOYSA-N 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 239000003479 dental cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003178 glass ionomer cement Substances 0.000 description 1
- 150000004820 halides Chemical group 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 238000010656 hydrometalation reaction Methods 0.000 description 1
- 238000006459 hydrosilylation reaction Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical group 0.000 description 1
- 125000000686 lactone group Chemical group 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 238000012643 polycondensation polymerization Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 239000012966 redox initiator Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000007155 step growth polymerization reaction Methods 0.000 description 1
- 125000005504 styryl group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- MDDUHVRJJAFRAU-YZNNVMRBSA-N tert-butyl-[(1r,3s,5z)-3-[tert-butyl(dimethyl)silyl]oxy-5-(2-diphenylphosphorylethylidene)-4-methylidenecyclohexyl]oxy-dimethylsilane Chemical compound C1[C@@H](O[Si](C)(C)C(C)(C)C)C[C@H](O[Si](C)(C)C(C)(C)C)C(=C)\C1=C/CP(=O)(C=1C=CC=CC=1)C1=CC=CC=C1 MDDUHVRJJAFRAU-YZNNVMRBSA-N 0.000 description 1
- 150000003573 thiols Chemical class 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
- 239000004711 α-olefin Chemical group 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/28—Treatment by wave energy or particle radiation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/003—Apparatus for curing resins by radiation
- A61C19/004—Hand-held apparatus, e.g. guns
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/46—Polymerisation initiated by wave energy or particle radiation
- C08F2/48—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
- C08J3/248—Measuring crosslinking reactions
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2333/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2333/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C08J2333/10—Homopolymers or copolymers of methacrylic acid esters
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dental Preparations (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662368335P | 2016-07-29 | 2016-07-29 | |
| US62/368,335 | 2016-07-29 | ||
| PCT/IB2017/054546 WO2018020443A1 (en) | 2016-07-29 | 2017-07-26 | Dental curing light systems and methods |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2019525814A true JP2019525814A (ja) | 2019-09-12 |
| JP2019525814A5 JP2019525814A5 (enExample) | 2020-09-03 |
Family
ID=61017028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019504909A Withdrawn JP2019525814A (ja) | 2016-07-29 | 2017-07-26 | 歯科用硬化ライトシステム及び方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20190336259A1 (enExample) |
| EP (1) | EP3490494A4 (enExample) |
| JP (1) | JP2019525814A (enExample) |
| CN (1) | CN109688967A (enExample) |
| BR (1) | BR112019001718A2 (enExample) |
| WO (1) | WO2018020443A1 (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109642033B (zh) | 2016-07-29 | 2021-09-10 | 3M创新有限公司 | 固化监测系统和方法 |
| WO2019036817A1 (en) * | 2017-08-25 | 2019-02-28 | Bluelight Analytics, Inc. | SYSTEMS AND DEVICES FOR MEASURING LIGHT SOURCES AND METHODS OF USE |
| BR112021007346A2 (pt) | 2018-10-19 | 2021-07-20 | Bluelight Analytics, Inc. | sistema e dispositivos para medir fontes de luz e métodos de uso dos mesmos |
| US11235606B2 (en) * | 2019-02-14 | 2022-02-01 | Shawn McPherson | Sensor for emulsion irradiation |
| CN116559118B (zh) * | 2023-07-11 | 2023-09-22 | 广东工业大学 | 基于光衰减系数变化的聚合物固化监测方法、系统及装置 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6976841B1 (en) * | 2002-02-21 | 2005-12-20 | Nova Ranger, Inc. | Intra oral dental irradiation device for material curing and dental imaging |
| EP1503690A1 (en) * | 2002-05-02 | 2005-02-09 | Cadent Ltd. | Appliance for positioning orthodontic components |
| CN101076713A (zh) * | 2004-08-27 | 2007-11-21 | Bwt财产公司 | 具有实时监控功能的激光固化机 |
| US7245371B2 (en) * | 2004-08-27 | 2007-07-17 | B & W Tek, Inc. | Laser curing apparatus with real-time monitoring and control |
| DE102005019386B4 (de) * | 2005-04-26 | 2010-07-29 | Ivoclar Vivadent Ag | Gerät zum Polymerisieren von polymerisierbarem Dentalmaterial sowie Verfahren zur Bestimmung des Polymerisationsgrades |
| US20070259309A1 (en) * | 2006-05-08 | 2007-11-08 | Den-Mat Corporation | Dental curing device and method with real-time cure indication |
| US10231810B2 (en) * | 2012-09-14 | 2019-03-19 | 3M Innovative Properties Company | Dental irradiation device and system |
| EP3190986B1 (en) * | 2014-09-08 | 2019-05-22 | Ecole Polytechnique Federale de Lausanne (EPFL) | Device for photoactivation and reaction monitoring |
| US10161858B2 (en) * | 2014-11-25 | 2018-12-25 | Oerlikon Surface Solutions Ag, Pfäffikon | Process monitoring for UV curing |
-
2017
- 2017-07-26 EP EP17833678.0A patent/EP3490494A4/en not_active Withdrawn
- 2017-07-26 JP JP2019504909A patent/JP2019525814A/ja not_active Withdrawn
- 2017-07-26 BR BR112019001718-6A patent/BR112019001718A2/pt not_active Application Discontinuation
- 2017-07-26 US US16/319,415 patent/US20190336259A1/en not_active Abandoned
- 2017-07-26 CN CN201780047203.8A patent/CN109688967A/zh not_active Withdrawn
- 2017-07-26 WO PCT/IB2017/054546 patent/WO2018020443A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP3490494A1 (en) | 2019-06-05 |
| WO2018020443A1 (en) | 2018-02-01 |
| BR112019001718A2 (pt) | 2019-05-07 |
| WO2018020443A9 (en) | 2019-03-21 |
| US20190336259A1 (en) | 2019-11-07 |
| CN109688967A (zh) | 2019-04-26 |
| EP3490494A4 (en) | 2020-01-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2019525814A (ja) | 歯科用硬化ライトシステム及び方法 | |
| CA2403154C (en) | Reducing polymerization stress by controlled segmental curing | |
| Price et al. | Effect of delivering light in specific narrow bandwidths from 394 to 515 nm on the micro-hardness of resin composites | |
| Michaud et al. | Localised irradiance distribution found in dental light curing units | |
| EP3799820B1 (en) | Skin treatment apparatus utilising intense pulsed light (ipl) | |
| JP6357153B2 (ja) | 光を測定するデバイス及び方法 | |
| Nitta | Effect of light guide tip diameter of LED-light curing unit on polymerization of light-cured composites | |
| JP2017533058A (ja) | 歯科硬化光 | |
| WO2007133505A2 (en) | Dental curing device and method with real-time cure indication | |
| US10746660B2 (en) | Cure monitoring systems and methods | |
| WO2007079433A2 (en) | Caries detection using real-time imaging and multiple excitation frequencies | |
| Cook | Curing efficiency and ocular hazards of dental photopolymerization sources | |
| ES2405829T3 (es) | Detección de caries utilizando diferenciales en el tiempo entre impulsos de excitación y de retorno | |
| Moseley et al. | An assessment of visible‐light polymerizing sources | |
| Neeraj Malhotra et al. | Light-curing considerations for resin-based composite materials: a review. Part II | |
| Kim et al. | Curing effectiveness of a light emitting diode on dentin bonding agents | |
| US5073402A (en) | Method of making an optical device | |
| Tichy et al. | Applicability of exposure reciprocity law for fast polymerization of restorative composites containing various photoinitiating systems | |
| Barcelos et al. | Effect of using manufacturer-recommended exposure times to photo-activate bulk-fill and conventional resin-based composites | |
| Gültekin et al. | Curing efficiency of dual-cure resin cement under zirconia with two different light curing units | |
| US10881491B2 (en) | Dental light curing device | |
| JPWO2020100370A1 (ja) | 光脳機能計測装置用ファントム装置 | |
| Price et al. | Effect of thickness and irradiance on the polymerization delay at the bottom surface of light-cured resin composites | |
| Kolpakova | Comparison of monowave and polywave transmission and curing profile thru various composites | |
| EP0416931A2 (en) | Medical applications for an optical device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RD03 | Notification of appointment of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7423 Effective date: 20200409 |
|
| RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20200421 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200722 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20200722 |
|
| A761 | Written withdrawal of application |
Free format text: JAPANESE INTERMEDIATE CODE: A761 Effective date: 20201106 |