KR20170043598A - 폴리우레탄 엘라스토머 및 열가소성 폴리우레탄을 제조하기 위한 폴리에스테르-개질된 폴리부타디에놀 - Google Patents

폴리우레탄 엘라스토머 및 열가소성 폴리우레탄을 제조하기 위한 폴리에스테르-개질된 폴리부타디에놀 Download PDF

Info

Publication number
KR20170043598A
KR20170043598A KR1020177007305A KR20177007305A KR20170043598A KR 20170043598 A KR20170043598 A KR 20170043598A KR 1020177007305 A KR1020177007305 A KR 1020177007305A KR 20177007305 A KR20177007305 A KR 20177007305A KR 20170043598 A KR20170043598 A KR 20170043598A
Authority
KR
South Korea
Prior art keywords
component
weight
molecular weight
parts
mol
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Withdrawn
Application number
KR1020177007305A
Other languages
English (en)
Korean (ko)
Inventor
베렌트 엘링
얀 딜처
이리나 핀크
게릿 뤼인스트라
Original Assignee
바스프 에스이
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 바스프 에스이 filed Critical 바스프 에스이
Publication of KR20170043598A publication Critical patent/KR20170043598A/ko
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/62—Polymers of compounds having carbon-to-carbon double bonds
    • C08G18/6204—Polymers of olefins
    • C08G18/6208—Hydrogenated polymers of conjugated dienes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/16—Catalysts
    • C08G18/22—Catalysts containing metal compounds
    • C08G18/222—Catalysts containing metal compounds metal compounds not provided for in groups C08G18/225 - C08G18/26
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3203—Polyhydroxy compounds
    • C08G18/3206—Polyhydroxy compounds aliphatic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/4266—Polycondensates having carboxylic or carbonic ester groups in the main chain prepared from hydroxycarboxylic acids and/or lactones
    • C08G18/4269—Lactones
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/4266—Polycondensates having carboxylic or carbonic ester groups in the main chain prepared from hydroxycarboxylic acids and/or lactones
    • C08G18/4269—Lactones
    • C08G18/4277—Caprolactone and/or substituted caprolactone
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/63—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
    • C08G18/638—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers characterised by the use of compounds having carbon-to-carbon double bonds other than styrene and/or olefinic nitriles
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/6505—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen the low-molecular compounds being compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6511—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen the low-molecular compounds being compounds of group C08G18/32 or polyamines of C08G18/38 compounds of group C08G18/3203
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
    • C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78—Nitrogen
    • C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
    • C08G18/797—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing carbodiimide and/or uretone-imine groups
    • 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)
KR1020177007305A 2014-08-18 2015-08-17 폴리우레탄 엘라스토머 및 열가소성 폴리우레탄을 제조하기 위한 폴리에스테르-개질된 폴리부타디에놀 Withdrawn KR20170043598A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP14181297.4 2014-08-18
EP14181297 2014-08-18
PCT/EP2015/068837 WO2016026807A1 (de) 2014-08-18 2015-08-17 Polyestermodifizierte polybutadienole zur herstellung von polyurethan-elastomeren und thermoplastischen polyurethanen

Publications (1)

Publication Number Publication Date
KR20170043598A true KR20170043598A (ko) 2017-04-21

Family

ID=51352465

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020177007305A Withdrawn KR20170043598A (ko) 2014-08-18 2015-08-17 폴리우레탄 엘라스토머 및 열가소성 폴리우레탄을 제조하기 위한 폴리에스테르-개질된 폴리부타디에놀

Country Status (7)

Country Link
US (1) US11066508B2 (https=)
EP (1) EP3183282B1 (https=)
JP (1) JP2017525814A (https=)
KR (1) KR20170043598A (https=)
CN (1) CN107075078B (https=)
BR (1) BR112017003310A2 (https=)
WO (1) WO2016026807A1 (https=)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6343391B2 (ja) * 2015-03-19 2018-06-13 日立ジョンソンコントロールズ空調株式会社 冷凍空調用圧縮機及び冷凍空調装置
JP6702534B2 (ja) * 2015-04-06 2020-06-03 日清紡ケミカル株式会社 エポキシ樹脂組成物
BR112018068332B1 (pt) * 2016-03-21 2022-10-04 Basf Se Poliuretano reticulado, compósito, mistura, processo para produzir um compósito e usos de poliuretano reticulado
EP3243863A1 (de) * 2016-05-09 2017-11-15 Evonik Degussa GmbH Verwendung von block-copolymeren in klebstoffen
EP3480231A1 (de) 2017-11-03 2019-05-08 Evonik Degussa GmbH Reaktivklebstoffe basierend auf block-copolymeren
EP3830158A4 (en) * 2018-08-02 2022-03-23 Dow Global Technologies LLC Methods for reducing aldehyde emissions in polyurethane foams
EP3653658A1 (en) 2018-11-16 2020-05-20 Henkel AG & Co. KGaA Thermoplastic polyurethane
EP3898721B1 (en) 2018-12-19 2023-05-03 Evonik Operations GmbH Viscosity index improvers based on block copolymers
US12054576B2 (en) 2019-03-07 2024-08-06 Basf Se Adhesives based on carbodimide chemistry
CN110256652A (zh) * 2019-06-12 2019-09-20 西安近代化学研究所 一种适应温度范围广的高弹性缓冲材料
KR20220062581A (ko) * 2019-09-10 2022-05-17 루브리졸 어드밴스드 머티어리얼스, 인코포레이티드 열가소성 폴리우레탄 조성물
CN111269382B (zh) * 2020-01-20 2021-12-28 扬州工业职业技术学院 防卷边低凝固速率pu树脂及其制备方法
CN111469365A (zh) * 2020-03-30 2020-07-31 广东维杰汽车部件制造有限公司 汽车扰流板的反应注射成型工艺
EP3919539A1 (de) * 2020-06-04 2021-12-08 Evonik Operations GmbH Herstellung von polyurethanschaum
CN114163666A (zh) * 2021-10-26 2022-03-11 上海交通大学 推进剂用可闭环回收的聚丁二烯弹性体的制备方法及其应用
US20250382408A1 (en) 2022-06-22 2025-12-18 Basf Se Epoxy-terminated isocyanate prepolymers, and process for the preparation thereof

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE154609C (https=)
DE159775C (de) 1908-01-23 1905-04-27 Duisberger Maschinenbau-Akt-Ges Antriebsvorrichtung fuer Rollgaenge
NL7217047A (https=) * 1972-12-15 1974-06-18
US3965140A (en) 1973-07-28 1976-06-22 The Yokohama Rubber Co. Ltd. Process for the preparation of hydroxyl-terminated liquid polymers
US4190712A (en) * 1974-06-21 1980-02-26 Mccord Corporation Low density energy management urethane foam
DD160223A3 (de) 1975-04-29 1983-05-18 Winfried Ballayer Verfahren zur herstellung von praepolymeren mit entstaendigen hydroxylgruppen
JPS55152720A (en) * 1979-05-18 1980-11-28 Mitsubishi Chem Ind Ltd Block copolymer and preparation of the same
JPS6023418A (ja) * 1983-07-20 1985-02-06 Daicel Chem Ind Ltd 新規なラクトン重合体の製造方法
DE3405875A1 (de) 1984-02-18 1985-08-22 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von zelligen oder kompakten polyurethan-polyharnstoff-formkoerpern mit verbesserten entformungseigenschaften sowie innere formtrennmittel fuer das polyisocyanat-polyadditionsverfahren
JPS6136315A (ja) * 1984-07-30 1986-02-21 Nisshinbo Ind Inc 防振材料
DE3607447A1 (de) 1986-03-07 1987-09-10 Basf Ag Verfahren zur herstellung von formkoerpern mit einem zelligen kern und einer verdichteten randzone mit verbesserten entformungseigenschaften
DE3631842A1 (de) 1986-09-19 1988-03-24 Basf Ag Innere formtrennmittel, deren verwendung zur herstellung von formkoerpern nach dem polyisocyanat-polyadditionsverfahren und verfahren zur herstellung der formkoerper
JP2760499B2 (ja) 1986-11-05 1998-05-28 三菱レイヨン 株式会社 トナー用樹脂及びその製造法
EP0266973A3 (en) * 1986-11-06 1990-01-10 Thiokol Corporation Pcp/htpb block copolymer and propellant binder prepared therefrom
JPH0627188B2 (ja) * 1986-11-07 1994-04-13 竹本油脂株式会社 合成樹脂材料用改質剤
DE3837351C1 (https=) * 1988-11-03 1989-11-23 Th. Goldschmidt Ag, 4300 Essen, De
US6350330B1 (en) * 1989-06-07 2002-02-26 Alliant Techsystems Inc. Poly(butadiene)poly(lactone) thermoplastic block polymers, methods of making, and uncured high energy compositions containing same as binders
US5167899A (en) * 1990-07-07 1992-12-01 The Dow Chemical Company Process for melt blowing microfibers of rigid polyurethane having hard segments
DE4115146A1 (de) 1991-05-08 1992-11-12 Henkel Kgaa Verfahren zur herstellung von epoxid-ringoeffnungsprodukten mit einem definierten rest-epoxidsauerstoffgehalt
US5242989A (en) 1992-04-03 1993-09-07 Shell Oil Company Hydroxyl functional derivatives of epoxidized diene polymers and process for making them
WO1995011927A1 (en) * 1993-10-26 1995-05-04 Lord Corporation Polyester-modified polydiene/acrylourethane oligomers
DE4446877A1 (de) 1994-12-27 1996-07-04 Henkel Kgaa Verfahren zur Ringöffnung von Epoxiden
US6111049A (en) * 1996-02-09 2000-08-29 Shell Oil Company Polyurethanes having improved moisture resistance
US6054533A (en) * 1997-10-15 2000-04-25 The B.F. Goodrich Company Compatibilized blends of a thermoplastic elastomer and a polyolefin
GB9810040D0 (en) 1998-05-11 1998-07-08 Univ Nottingham Blood borne tumour markers
DE102005015635A1 (de) * 2005-04-05 2006-10-12 Basf Ag Polyurethangummi
CN100460437C (zh) * 2006-08-11 2009-02-11 中国石油天然气集团公司 高性能多用途聚氨酯弹性体的合成方法
JP2010540699A (ja) * 2007-09-21 2010-12-24 ダウ グローバル テクノロジーズ インコーポレイティド ポリウレタンポリマー系
JP5842315B2 (ja) 2008-12-01 2016-01-13 三菱化学株式会社 ポリウレタンの製造方法及びそれから得られたポリウレタンの用途
TWI486367B (zh) 2012-05-30 2015-06-01 Nippon Soda Co 聚胺甲酸酯
CN103965433B (zh) * 2014-05-24 2016-03-23 浙江奥康鞋业股份有限公司 鞋底用软质低密度聚氨酯泡沫材料

Also Published As

Publication number Publication date
BR112017003310A2 (pt) 2018-01-23
EP3183282A1 (de) 2017-06-28
CN107075078B (zh) 2022-01-04
WO2016026807A1 (de) 2016-02-25
US20170240684A1 (en) 2017-08-24
JP2017525814A (ja) 2017-09-07
US11066508B2 (en) 2021-07-20
EP3183282B1 (de) 2018-08-15
CN107075078A (zh) 2017-08-18

Similar Documents

Publication Publication Date Title
US11066508B2 (en) Polyester-modified polybutadienols for producing polyurethane elastomers and thermoplastic polyurethanes
EP2780385B1 (en) Processes, products, and compositions having tetraalkylguanidine salt of aromatic carboxylic acid
US3726827A (en) Rapid-setting non-elastomeric polyurethane compositions
CA2716792C (en) Coarse-cell polyurethane elastomers
CN102066446B (zh) 由可再生资源生产聚氨酯弹性体
TWI454527B (zh) 聚胺基甲酸酯樹脂組成物及其成形物
KR20170125938A (ko) 유리질 폴리우레탄의 제조를 위한 폴리부타디엔올
KR20180127645A (ko) 가교결합된 폴리우레탄
CN101190973B (zh) 塑性复合元件及其制造方法
KR20140129307A (ko) 폴리에테르에스테르 폴리올 및 경질 폴리우레탄 폼을 제조하기 위한 이의 용도
JP2022541894A (ja) ポリウレタン組成物、それを用いて調製した製品およびその調製方法
CA3086084A1 (en) A composition with reduced aldehyde emission
JP2019534920A (ja) 制振材用樹脂組成物
KR102199919B1 (ko) 통기성 및 산화방지 특성이 향상된 친환경 폴리우레탄 폼 형성용 조성물 및 폴리우레탄 폼의 제조 방법
KR101988466B1 (ko) 향상된 통기성 및 산화방지 특성을 갖는 친환경 폴리우레탄 폼 형성용 조성물 및 폴리우레탄 폼의 제조 방법
PT2215138E (pt) Espumas de poliuretano do tipo pele integral contendo ciclohexanodicarboxilato de dialquil como agente desmoldante interno
KR102211997B1 (ko) 폴리우레탄 폼 제조용 폴리올 조성물 및 이를 포함하는 폴리우레탄 폼
CN112543777B (zh) 生产粘弹性聚氨酯泡沫材料的方法
KR20180138263A (ko) 통기성 및 산화방지 특성이 향상된 친환경 폴리우레탄 폼 형성용 조성물 및 폴리우레탄 폼의 제조 방법
EP4017891A1 (en) A preparation comprising thermoplastic polyisocyanate polyaddition product, a process for preparing the same and the use thereof
Isa Synthesis and Characterization of Flexible Polyurethane Foam from Liquid Natural Rubber-Based Polyol
WO2019238753A1 (de) Thiocarbonat-haltige prepolymere und daraus erhaltene polyurethane
JPS63189418A (ja) ポリウレタン成形品の製法

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20170316

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20200814

Comment text: Request for Examination of Application

PC1202 Submission of document of withdrawal before decision of registration

Comment text: [Withdrawal of Procedure relating to Patent, etc.] Withdrawal (Abandonment)

Patent event code: PC12021R01D

Patent event date: 20200902

WITB Written withdrawal of application