HK1140053A1 - Conjugated copolymer comprising triazine, its preparation and uses - Google Patents
Conjugated copolymer comprising triazine, its preparation and usesInfo
- Publication number
- HK1140053A1 HK1140053A1 HK10106485.7A HK10106485A HK1140053A1 HK 1140053 A1 HK1140053 A1 HK 1140053A1 HK 10106485 A HK10106485 A HK 10106485A HK 1140053 A1 HK1140053 A1 HK 1140053A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- repeat unit
- triazine
- preparation
- conjugated copolymer
- substituted
- Prior art date
Links
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 title 1
- 229920001577 copolymer Polymers 0.000 title 1
- 125000001072 heteroaryl group Chemical group 0.000 abstract 2
- 229920000642 polymer Polymers 0.000 abstract 2
- 125000003118 aryl group Chemical group 0.000 abstract 1
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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/02—Polyamines
-
- 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/02—Polyamines
- C08G73/026—Wholly aromatic polyamines
-
- 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/0622—Polycondensates containing six-membered rings, not condensed with other rings, with nitrogen atoms as the only ring hetero atoms
- C08G73/0638—Polycondensates containing six-membered rings, not condensed with other rings, with nitrogen atoms as the only ring hetero atoms with at least three nitrogen atoms in the ring
- C08G73/0644—Poly(1,3,5)triazines
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/10—Organic polymers or oligomers
- H10K85/111—Organic polymers or oligomers comprising aromatic, heteroaromatic, or aryl chains, e.g. polyaniline, polyphenylene or polyphenylene vinylene
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/10—Organic polymers or oligomers
- H10K85/151—Copolymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/14—Macromolecular compounds
- C09K2211/1408—Carbocyclic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/14—Macromolecular compounds
- C09K2211/1408—Carbocyclic compounds
- C09K2211/1416—Condensed systems
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/14—Macromolecular compounds
- C09K2211/1408—Carbocyclic compounds
- C09K2211/1425—Non-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/14—Macromolecular compounds
- C09K2211/1408—Carbocyclic compounds
- C09K2211/1433—Carbocyclic compounds bridged by heteroatoms, e.g. N, P, Si or B
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/14—Macromolecular compounds
- C09K2211/1441—Heterocyclic
- C09K2211/1466—Heterocyclic containing nitrogen as the only heteroatom
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/14—Carrier transporting layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/10—Organic polymers or oligomers
- H10K85/111—Organic polymers or oligomers comprising aromatic, heteroaromatic, or aryl chains, e.g. polyaniline, polyphenylene or polyphenylene vinylene
- H10K85/115—Polyfluorene; Derivatives thereof
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/917—Electroluminescent
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
- Electroluminescent Light Sources (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicinal Preparation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0109108.1A GB0109108D0 (en) | 2001-04-11 | 2001-04-11 | Polymer, its preparation and uses |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1140053A1 true HK1140053A1 (en) | 2010-09-30 |
Family
ID=9912704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK10106485.7A HK1140053A1 (en) | 2001-04-11 | 2010-07-05 | Conjugated copolymer comprising triazine, its preparation and uses |
Country Status (9)
Country | Link |
---|---|
US (2) | US7985815B2 (de) |
EP (2) | EP1377627B1 (de) |
JP (2) | JP2004532314A (de) |
AT (2) | ATE544185T1 (de) |
AU (1) | AU2002242900A1 (de) |
DE (1) | DE60234756D1 (de) |
GB (1) | GB0109108D0 (de) |
HK (1) | HK1140053A1 (de) |
WO (1) | WO2002083760A2 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0109108D0 (en) * | 2001-04-11 | 2001-05-30 | Cambridge Display Tech Ltd | Polymer, its preparation and uses |
US8076842B2 (en) * | 2005-03-01 | 2011-12-13 | The Regents Of The University Of California | Multilayer polymer light-emitting diodes for solid state lighting applications |
CN101180339A (zh) * | 2005-05-24 | 2008-05-14 | 日立化成工业株式会社 | 共轭聚合物的制造方法 |
GB0617167D0 (en) | 2006-08-31 | 2006-10-11 | Cdt Oxford Ltd | Compounds for use in opto-electrical devices |
US20110118411A1 (en) | 2008-04-25 | 2011-05-19 | Makoto Anryu | Polymeric compound having residue of nitrogen-containing heterocyclic compound |
JP5604804B2 (ja) * | 2008-04-25 | 2014-10-15 | 住友化学株式会社 | 含窒素複素環式化合物を含む組成物 |
JP5691177B2 (ja) * | 2009-01-29 | 2015-04-01 | 住友化学株式会社 | 高分子化合物及びそれを用いる発光素子 |
JP5340999B2 (ja) * | 2010-03-04 | 2013-11-13 | コニカミノルタ株式会社 | 有機エレクトロルミネッセンス素子及び表示装置 |
JP4832605B2 (ja) * | 2010-04-20 | 2011-12-07 | 住友化学株式会社 | 有機発光素子 |
CN102869672B (zh) * | 2010-05-03 | 2016-05-11 | 默克专利有限公司 | 制剂和电子器件 |
CN105949177B (zh) | 2010-05-03 | 2019-02-01 | 默克专利有限公司 | 制剂和电子器件 |
KR101825251B1 (ko) * | 2010-12-21 | 2018-02-02 | 스미또모 가가꾸 가부시키가이샤 | 고분자 화합물 및 그것을 이용한 발광 소자 |
JP5829510B2 (ja) | 2010-12-21 | 2015-12-09 | 住友化学株式会社 | 高分子化合物及びそれを用いた発光素子 |
GB2505893A (en) | 2012-09-13 | 2014-03-19 | Cambridge Display Tech Ltd | Compounds for use in organic optoelectronic devices |
GB201223283D0 (en) | 2012-12-21 | 2013-02-06 | Cambridge Display Tech Ltd | Polymer and organic electronic device |
JP6769020B2 (ja) * | 2015-09-30 | 2020-10-14 | 日立化成株式会社 | 電荷輸送性材料、該材料を用いたインク組成物、有機エレクトロニクス素子、有機エレクトロルミネセンス素子、表示素子、照明装置、及び表示装置 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4539507A (en) | 1983-03-25 | 1985-09-03 | Eastman Kodak Company | Organic electroluminescent devices having improved power conversion efficiencies |
US4487920A (en) | 1983-06-13 | 1984-12-11 | Allied Corporation | Polyamide-polyol-triazine block copolymer and anionic polymerization process |
GB8909011D0 (en) | 1989-04-20 | 1989-06-07 | Friend Richard H | Electroluminescent devices |
JP3069139B2 (ja) * | 1990-03-16 | 2000-07-24 | 旭化成工業株式会社 | 分散型電界発光素子 |
GB9018698D0 (en) | 1990-08-24 | 1990-10-10 | Lynxvale Ltd | Semiconductive copolymers for use in electroluminescent devices |
JPH04354736A (ja) | 1991-05-31 | 1992-12-09 | Omron Corp | 紙葉類の定圧繰出し装置 |
JP2675228B2 (ja) | 1992-02-20 | 1997-11-12 | シャープ株式会社 | 紙押え装置 |
JPH07224162A (ja) | 1994-02-14 | 1995-08-22 | Hoechst Japan Ltd | トリアジンポリマー |
ATE287929T1 (de) | 1994-05-06 | 2005-02-15 | Bayer Ag | Leitfähige beschichtungen hergestellt aus mischungen enthaltend polythiophen und lösemittel |
US6255483B1 (en) * | 1995-03-15 | 2001-07-03 | Ciba Specialty Chemicals Corporation | Biphenyl-substituted triazines |
JP3080359B2 (ja) * | 1996-05-09 | 2000-08-28 | 工業技術院長 | 多分岐重合体およびその製造方法 |
DE19628719B4 (de) * | 1996-07-17 | 2006-10-05 | Hans-Werner Prof. Dr. Schmidt | Elektronenleitende Schicht in organischen, elektrolumineszierenden Anordnungen |
ES2168144T3 (es) | 1996-09-16 | 2002-06-01 | Bayer Ag | Polimeros de triazina y su empleo en disposiciones electroluminiscentes. |
US6309763B1 (en) | 1997-05-21 | 2001-10-30 | The Dow Chemical Company | Fluorene-containing polymers and electroluminescent devices therefrom |
US5777070A (en) * | 1997-10-23 | 1998-07-07 | The Dow Chemical Company | Process for preparing conjugated polymers |
GB9726810D0 (en) | 1997-12-19 | 1998-02-18 | Zeneca Ltd | Compounds composition & use |
KR100697861B1 (ko) * | 1998-03-13 | 2007-03-22 | 캠브리지 디스플레이 테크놀로지 리미티드 | 전장 발광 디바이스들 |
GB9805476D0 (en) | 1998-03-13 | 1998-05-13 | Cambridge Display Tech Ltd | Electroluminescent devices |
EP1155096B1 (de) * | 1999-02-04 | 2005-03-09 | Dow Global Technologies Inc. | Fluoren-copolymere und daraus hergestellte vorrichtungen |
CA2362459C (en) | 1999-03-05 | 2006-05-09 | Cambridge Display Technology Limited | Polymer preparation |
JP2001151868A (ja) * | 1999-11-24 | 2001-06-05 | Toyota Central Res & Dev Lab Inc | 機能性共重合高分子及びそれを使用した有機電界発光素子、光メモリ、正孔移動素子 |
US6512082B2 (en) * | 2000-01-05 | 2003-01-28 | Cambridge Display Technology Ltd. | Polymers, their preparation and uses |
US6821643B1 (en) * | 2000-01-21 | 2004-11-23 | Xerox Corporation | Electroluminescent (EL) devices |
GB0109108D0 (en) * | 2001-04-11 | 2001-05-30 | Cambridge Display Tech Ltd | Polymer, its preparation and uses |
GB0125620D0 (en) * | 2001-10-25 | 2001-12-19 | Cambridge Display Tech Ltd | Monomers and low band gap polymers formed therefrom |
US6730417B2 (en) * | 2002-01-29 | 2004-05-04 | Xerox Corporation | Organic electroluminescent (EL) devices |
JP2005268022A (ja) | 2004-03-18 | 2005-09-29 | Fuji Photo Film Co Ltd | 有機電界発光素子 |
-
2001
- 2001-04-11 GB GBGB0109108.1A patent/GB0109108D0/en not_active Ceased
-
2002
- 2002-04-10 AT AT09012920T patent/ATE544185T1/de active
- 2002-04-10 JP JP2002582109A patent/JP2004532314A/ja active Pending
- 2002-04-10 AT AT02708540T patent/ATE452156T1/de not_active IP Right Cessation
- 2002-04-10 AU AU2002242900A patent/AU2002242900A1/en not_active Abandoned
- 2002-04-10 WO PCT/GB2002/001585 patent/WO2002083760A2/en active Application Filing
- 2002-04-10 EP EP02708540A patent/EP1377627B1/de not_active Expired - Lifetime
- 2002-04-10 EP EP09012920A patent/EP2166582B1/de not_active Expired - Lifetime
- 2002-04-10 US US10/475,027 patent/US7985815B2/en not_active Expired - Fee Related
- 2002-04-10 DE DE60234756T patent/DE60234756D1/de not_active Expired - Lifetime
-
2010
- 2010-07-05 HK HK10106485.7A patent/HK1140053A1/xx not_active IP Right Cessation
- 2010-07-26 JP JP2010167160A patent/JP5197687B2/ja not_active Expired - Fee Related
-
2011
- 2011-07-22 US US13/189,465 patent/US8933182B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US8933182B2 (en) | 2015-01-13 |
EP2166582A1 (de) | 2010-03-24 |
US20110279028A1 (en) | 2011-11-17 |
EP1377627A2 (de) | 2004-01-07 |
US20040146743A1 (en) | 2004-07-29 |
ATE544185T1 (de) | 2012-02-15 |
EP1377627B1 (de) | 2009-12-16 |
AU2002242900A1 (en) | 2002-10-28 |
WO2002083760A2 (en) | 2002-10-24 |
WO2002083760A3 (en) | 2002-12-19 |
ATE452156T1 (de) | 2010-01-15 |
DE60234756D1 (de) | 2010-01-28 |
US7985815B2 (en) | 2011-07-26 |
JP2004532314A (ja) | 2004-10-21 |
JP5197687B2 (ja) | 2013-05-15 |
GB0109108D0 (en) | 2001-05-30 |
JP2010265474A (ja) | 2010-11-25 |
EP2166582B1 (de) | 2012-02-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
HK1140053A1 (en) | Conjugated copolymer comprising triazine, its preparation and uses | |
AU2385001A (en) | Polymers, their preparation and uses | |
WO2003042264A3 (de) | Pfropfpolymerisate mit stickstoffheterocyclen enthaltenden seitenketten | |
WO2003042262A3 (de) | Pfropfpolymerisate mit stickstoffheterocyclen enthaltenden seitenketten | |
TR199600395A1 (tr) | Artirilmis islenebilirlige sahip etilen polimerleri. | |
AU5857499A (en) | Conjugated polymers containing 2,7 fluorenyl units with improved properties | |
DK0840057T3 (da) | Opløsningsmiddelfri, olieopløselig, friktionsformindskende polymersuspension | |
CA2417654A1 (en) | Fabric care compositions comprising cationic silicones and methods employing same | |
WO1998035967A3 (en) | Biazacyclic crf antagonists | |
CA2435428A1 (en) | Hydrocarbon-terminated polyether-polyamide block copolymers and uses thereof | |
DE69834950D1 (en) | Fluidisierte polymersuspension von hydrophob-modifizierten poly(acetal- /oder - ketal -polyether), polyurethan und polyacrylat | |
WO2001001484A3 (de) | Trench-mos-transistor | |
CA2051693A1 (en) | Allosteric hemoglobin modifiers | |
WO2002049683A3 (en) | Antimicrobial contact lenses and methods for their production | |
GB0125620D0 (en) | Monomers and low band gap polymers formed therefrom | |
GR3034123T3 (en) | Ethylenically-unsatured 1,3-diketoamide functional compounds, polymers thereof and latex formulations containing the same | |
AU2001237618A1 (en) | Copolymer | |
DE60125202D1 (de) | Polymere und ihre verwendungen | |
EP1226809A4 (de) | Mittel zur verbesserung der hauttextur | |
HK1084962A1 (en) | Polymers, their preparation and uses | |
FR2782715B1 (fr) | Nouveau monomere de photoresist ayant un groupe hydroxy et un groupe carboxy, son copolymere et composition de photoresist l'utilisant | |
TR199903202A3 (tr) | Etilen kopolimerlerinin ve terpolimerlerinin molekül agirliklarinin azaltilmasinin prosesi. | |
WO2001009122A3 (en) | Serotonergic benzofurans | |
GB2353526B (en) | Novel photoresist monomers,polymers thereof,and photoresist compositions containing the same | |
MXPA02012181A (es) | Articulos agricolas y metodos agricolas que comprenden copolimeros biodegradables. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20200413 |