CN107075078B - 用于制备聚氨酯弹性体和热塑性聚氨酯的聚酯改性的聚丁二烯醇 - Google Patents

用于制备聚氨酯弹性体和热塑性聚氨酯的聚酯改性的聚丁二烯醇 Download PDF

Info

Publication number
CN107075078B
CN107075078B CN201580056393.0A CN201580056393A CN107075078B CN 107075078 B CN107075078 B CN 107075078B CN 201580056393 A CN201580056393 A CN 201580056393A CN 107075078 B CN107075078 B CN 107075078B
Authority
CN
China
Prior art keywords
weight
parts
component
optionally
polyurethane
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.)
Expired - Fee Related
Application number
CN201580056393.0A
Other languages
English (en)
Chinese (zh)
Other versions
CN107075078A (zh
Inventor
B·埃林
J·迪尔切
I·芬克
G·卢恩施特拉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Publication of CN107075078A publication Critical patent/CN107075078A/zh
Application granted granted Critical
Publication of CN107075078B publication Critical patent/CN107075078B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C08G18/28—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
    • C08G18/08—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
    • C08G18/63—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)
CN201580056393.0A 2014-08-18 2015-08-17 用于制备聚氨酯弹性体和热塑性聚氨酯的聚酯改性的聚丁二烯醇 Expired - Fee Related CN107075078B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP14181297 2014-08-18
EP14181297.4 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 (2)

Publication Number Publication Date
CN107075078A CN107075078A (zh) 2017-08-18
CN107075078B true CN107075078B (zh) 2022-01-04

Family

ID=51352465

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201580056393.0A Expired - Fee Related CN107075078B (zh) 2014-08-18 2015-08-17 用于制备聚氨酯弹性体和热塑性聚氨酯的聚酯改性的聚丁二烯醇

Country Status (7)

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

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10167438B2 (en) * 2015-03-19 2019-01-01 Hitachi-Johnson Controls Air Conditioning, Inc. Compressor for refrigeration and air conditioning, and refrigeration and air conditioning device
WO2016163222A1 (ja) * 2015-04-06 2016-10-13 日清紡ケミカル株式会社 エポキシ樹脂組成物
WO2017162529A1 (de) * 2016-03-21 2017-09-28 Basf Se Vernetztes polyurethan
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
KR102649156B1 (ko) * 2018-08-02 2024-03-20 다우 글로벌 테크놀로지스 엘엘씨 폴리우레탄 폼에서 알데히드 방출을 감소시키는 방법
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
JP7582960B2 (ja) 2019-03-07 2024-11-13 ビーエーエスエフ ソシエタス・ヨーロピア カルボジイミド化学に基づく接着剤
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
EP4028239A1 (en) * 2019-09-10 2022-07-20 Lubrizol Advanced Materials, Inc. Thermoplastic polyurethane composition
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
EP4543955A1 (de) 2022-06-22 2025-04-30 Basf Se Epoxy-terminierte isocyanat-prepolymere und verfahren zu deren herstellung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4689357A (en) * 1984-07-30 1987-08-25 Nisshin Spinning Co., Ltd. Vibration isolator
WO2013180006A1 (ja) * 2012-05-30 2013-12-05 日本曹達株式会社 ポリウレタン

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE154609C (enExample)
DE159775C (de) 1908-01-23 1905-04-27 Duisberger Maschinenbau-Akt-Ges Antriebsvorrichtung fuer Rollgaenge
NL7217047A (enExample) * 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
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
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 (enExample) * 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
EP2193155A1 (en) * 2007-09-21 2010-06-09 Dow Global Technologies Inc. Polyurethane polymer systems
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
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4689357A (en) * 1984-07-30 1987-08-25 Nisshin Spinning Co., Ltd. Vibration isolator
WO2013180006A1 (ja) * 2012-05-30 2013-12-05 日本曹達株式会社 ポリウレタン

Also Published As

Publication number Publication date
BR112017003310A2 (pt) 2018-01-23
CN107075078A (zh) 2017-08-18
US11066508B2 (en) 2021-07-20
KR20170043598A (ko) 2017-04-21
EP3183282B1 (de) 2018-08-15
US20170240684A1 (en) 2017-08-24
EP3183282A1 (de) 2017-06-28
WO2016026807A1 (de) 2016-02-25
JP2017525814A (ja) 2017-09-07

Similar Documents

Publication Publication Date Title
CN107075078B (zh) 用于制备聚氨酯弹性体和热塑性聚氨酯的聚酯改性的聚丁二烯醇
US10428173B2 (en) High strength polyurethane foam compositions and methods
JP5649981B2 (ja) 粗い気泡のポリウレタンエラストマー
TWI454527B (zh) 聚胺基甲酸酯樹脂組成物及其成形物
JP7110109B2 (ja) 架橋ポリウレタン
US20090270582A1 (en) Hyper-branched polyurethanes method for production and use thereof
EP3265495B1 (de) Polybutadienole zur herstellung von glasartigen polyurethanen
JPWO2005116102A1 (ja) ポリウレタンエラストマーおよびその製造方法
KR20150049446A (ko) 친환경 폴리우레탄 수지 조성물 및 이를 이용한 폴리우레탄 성형체
WO2021012985A1 (en) Polyurethane compositions, products prepared with same and preparation methods thereof
KR20160057617A (ko) 친환경 폴리우레탄 수지 조성물
CN115702181B (zh) 回收聚氨酯材料的方法
JP7228417B2 (ja) ２液硬化型ポリウレタン樹脂組成物
TWI648340B (zh) 熱塑性聚胺基甲酸酯、其製造及用途
KR20190126312A (ko) 우레탄 함유 중합체 히드록실 화합물에 기반한 낮은 블루밍 효과 및 우수한 저온 가요성을 나타내는 폴리우레탄의 제조 방법
CN120322479A (zh) 生物基聚酯多元醇和包含该聚酯多元醇的聚氨酯泡沫体系
CN110922555B (zh) 热塑性聚氨酯及其弹性体粒子和它们的制备方法
CN105492483A (zh) 耐水解的聚氨酯模制品
KR20200145584A (ko) 고탄성연질폴리우레탄폼개발
EP4017891B1 (en) A preparation comprising thermoplastic polyisocyanate polyaddition product, a process for preparing the same and the use thereof
JPS60219209A (ja) 重合体ポリオ−ル組成物およびその使用方法

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220104

CF01 Termination of patent right due to non-payment of annual fee