EP2493835A4 - Verfahren zur herstellung deuterierter aromatischer verbindungen - Google Patents
Verfahren zur herstellung deuterierter aromatischer verbindungenInfo
- Publication number
- EP2493835A4 EP2493835A4 EP09850996.1A EP09850996A EP2493835A4 EP 2493835 A4 EP2493835 A4 EP 2493835A4 EP 09850996 A EP09850996 A EP 09850996A EP 2493835 A4 EP2493835 A4 EP 2493835A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- aromatic compounds
- deuterated aromatic
- preparing deuterated
- preparing
- compounds
- 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- Withdrawn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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B59/00—Introduction of isotopes of elements into organic compounds ; Labelled organic compounds per se
- C07B59/001—Acyclic or carbocyclic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B59/00—Introduction of isotopes of elements into organic compounds ; Labelled organic compounds per se
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C15/00—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts
- C07C15/20—Polycyclic condensed hydrocarbons
- C07C15/24—Polycyclic condensed hydrocarbons containing two rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C15/00—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts
- C07C15/20—Polycyclic condensed hydrocarbons
- C07C15/27—Polycyclic condensed hydrocarbons containing three rings
- C07C15/30—Phenanthrenes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
- C07B2200/05—Isotopically modified compounds, e.g. labelled
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2531/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- C07C2531/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- C07C2531/025—Sulfonic acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2603/00—Systems containing at least three condensed rings
- C07C2603/02—Ortho- or ortho- and peri-condensed systems
- C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
- C07C2603/22—Ortho- or ortho- and peri-condensed systems containing three rings containing only six-membered rings
- C07C2603/24—Anthracenes; Hydrogenated anthracenes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2603/00—Systems containing at least three condensed rings
- C07C2603/02—Ortho- or ortho- and peri-condensed systems
- C07C2603/40—Ortho- or ortho- and peri-condensed systems containing four condensed rings
- C07C2603/42—Ortho- or ortho- and peri-condensed systems containing four condensed rings containing only six-membered rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2603/00—Systems containing at least three condensed rings
- C07C2603/02—Ortho- or ortho- and peri-condensed systems
- C07C2603/40—Ortho- or ortho- and peri-condensed systems containing four condensed rings
- C07C2603/42—Ortho- or ortho- and peri-condensed systems containing four condensed rings containing only six-membered rings
- C07C2603/48—Chrysenes; Hydrogenated chrysenes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2603/00—Systems containing at least three condensed rings
- C07C2603/02—Ortho- or ortho- and peri-condensed systems
- C07C2603/40—Ortho- or ortho- and peri-condensed systems containing four condensed rings
- C07C2603/42—Ortho- or ortho- and peri-condensed systems containing four condensed rings containing only six-membered rings
- C07C2603/50—Pyrenes; Hydrogenated pyrenes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2603/00—Systems containing at least three condensed rings
- C07C2603/02—Ortho- or ortho- and peri-condensed systems
- C07C2603/52—Ortho- or ortho- and peri-condensed systems containing five condensed rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Indole Compounds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US25484309P | 2009-10-26 | 2009-10-26 | |
PCT/US2009/068924 WO2011053334A1 (en) | 2009-10-26 | 2009-12-21 | Method for preparing deuterated aromatic compounds |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2493835A1 EP2493835A1 (de) | 2012-09-05 |
EP2493835A4 true EP2493835A4 (de) | 2015-07-15 |
Family
ID=43922420
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09850996.1A Withdrawn EP2493835A4 (de) | 2009-10-26 | 2009-12-21 | Verfahren zur herstellung deuterierter aromatischer verbindungen |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2493835A4 (de) |
JP (1) | JP5662461B2 (de) |
KR (1) | KR101538534B1 (de) |
CN (1) | CN102574753B (de) |
TW (1) | TW201114735A (de) |
WO (1) | WO2011053334A1 (de) |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8759818B2 (en) | 2009-02-27 | 2014-06-24 | E I Du Pont De Nemours And Company | Deuterated compounds for electronic applications |
KR101582707B1 (ko) | 2009-04-03 | 2016-01-05 | 이 아이 듀폰 디 네모아 앤드 캄파니 | 전기활성 재료 |
KR101790854B1 (ko) | 2009-09-29 | 2017-10-26 | 이 아이 듀폰 디 네모아 앤드 캄파니 | 발광 응용을 위한 중수소화된 화합물 |
CN102596950A (zh) | 2009-10-29 | 2012-07-18 | E.I.内穆尔杜邦公司 | 用于电子应用的氘代化合物 |
US8617720B2 (en) | 2009-12-21 | 2013-12-31 | E I Du Pont De Nemours And Company | Electroactive composition and electronic device made with the composition |
WO2012083301A1 (en) | 2010-12-17 | 2012-06-21 | E. I. Du Pont De Nemours And Company | Anthracene derivative compounds for electronic applications |
TW201229204A (en) | 2010-12-17 | 2012-07-16 | Du Pont | Anthracene derivative compounds for electronic applications |
WO2012087955A1 (en) | 2010-12-20 | 2012-06-28 | E. I. Du Pont De Nemours And Company | Compositions for electronic applications |
EP2655347A1 (de) | 2010-12-20 | 2013-10-30 | E.I. Du Pont De Nemours And Company | Triazinderivate für elektronische anwendungen |
WO2012087961A2 (en) | 2010-12-20 | 2012-06-28 | E. I. Du Pont De Nemours And Company | Electroactive compositions for electronic applications |
KR101802008B1 (ko) | 2010-12-21 | 2017-11-27 | 이 아이 듀폰 디 네모아 앤드 캄파니 | 피리미딘 화합물을 포함하는 전자 소자 |
US9748497B2 (en) | 2013-02-25 | 2017-08-29 | E I Du Pont De Nemours And Company | Electronic device including a diazachrysene derivative |
WO2015089304A1 (en) | 2013-12-13 | 2015-06-18 | E. I. Du Pont De Nemours And Company | System for forming an electroactive layer |
CN104198631B (zh) * | 2014-08-11 | 2017-01-18 | 贾明宏 | 一种提高蛋白质在氘代试剂中氢氘原子交换效率的方法 |
US9944846B2 (en) | 2014-08-28 | 2018-04-17 | E I Du Pont De Nemours And Company | Compositions for electronic applications |
US10544123B2 (en) | 2014-10-20 | 2020-01-28 | Lg Chem, Ltd. | Blue luminescent compounds |
US10804473B2 (en) | 2015-05-21 | 2020-10-13 | Lg Chem, Ltd. | Electron transport materials for electronic applications |
CN109075255A (zh) | 2016-07-20 | 2018-12-21 | E.I.内穆尔杜邦公司 | 电活性材料 |
KR102627027B1 (ko) * | 2019-11-29 | 2024-01-18 | 주식회사 엘지화학 | 중수소화 안트라센계 화합물의 제조 방법 및 이로부터 제조된 중수소화 안트라센계 화합물을 포함하는 유기 발광 소자 |
KR102594845B1 (ko) * | 2019-12-23 | 2023-10-27 | 주식회사 엘지화학 | 방향족 화합물의 제조방법 |
KR20210126822A (ko) * | 2020-04-10 | 2021-10-21 | 덕산네오룩스 주식회사 | 유기전기소자용 화합물, 이를 이용한 유기전기소자 및 그 전자 장치 |
US20230165139A1 (en) * | 2020-04-10 | 2023-05-25 | Duk San Neolux Co., Ltd. | Compound for organic electric element, organic electric element using same, and electronic device thereof |
KR20210128205A (ko) * | 2020-04-16 | 2021-10-26 | 덕산네오룩스 주식회사 | 유기전기소자용 화합물, 이를 이용한 유기전기소자 및 그 전자 장치 |
CN113555519A (zh) | 2020-04-24 | 2021-10-26 | 罗门哈斯电子材料韩国有限公司 | 有机电致发光装置 |
KR102657636B1 (ko) | 2020-06-09 | 2024-04-15 | 주식회사 엘지화학 | 안트라센계 화합물, 이를 포함하는 코팅조성물 및 유기 발광 소자 |
CN113896734A (zh) | 2020-07-06 | 2022-01-07 | 罗门哈斯电子材料韩国有限公司 | 有机电致发光化合物、多种主体材料和包含其的有机电致发光装置 |
KR102657637B1 (ko) | 2020-07-08 | 2024-04-15 | 주식회사 엘지화학 | 안트라센계 화합물, 이를 포함하는 코팅조성물 및 유기 발광 소자 |
KR20220065453A (ko) | 2020-11-13 | 2022-05-20 | 주식회사 엘지화학 | 화합물 및 이를 포함하는 유기 발광 소자 |
KR20220065449A (ko) | 2020-11-13 | 2022-05-20 | 주식회사 엘지화학 | 화합물 및 이를 포함하는 유기 발광 소자 |
KR20220065950A (ko) | 2020-11-13 | 2022-05-23 | 주식회사 엘지화학 | 화합물 및 이를 포함하는 유기 발광 소자 |
KR20220065451A (ko) | 2020-11-13 | 2022-05-20 | 주식회사 엘지화학 | 화합물 및 이를 포함하는 유기 발광 소자 |
KR102630972B1 (ko) | 2021-01-08 | 2024-01-29 | 주식회사 엘지화학 | 안트라센계 화합물, 및 이를 포함하는 유기 발광 소자 |
KR102629146B1 (ko) | 2021-01-08 | 2024-01-24 | 주식회사 엘지화학 | 안트라센계 화합물, 및 이를 포함하는 유기 발광 소자 |
DE102022112831A1 (de) * | 2021-05-26 | 2022-12-01 | Rohm And Haas Electronic Materials Korea Ltd. | Verfahren zur herstellung von deuterierten organischen verbindungen |
KR102660175B1 (ko) | 2021-07-07 | 2024-04-25 | 주식회사 엘지화학 | 화합물 및 이를 포함하는 유기 발광 소자 |
KR20230018159A (ko) | 2021-07-29 | 2023-02-07 | 주식회사 엘지화학 | 화합물 및 이를 포함하는 유기 발광 소자 |
KR20230018160A (ko) | 2021-07-29 | 2023-02-07 | 주식회사 엘지화학 | 화합물 및 이를 포함하는 유기 발광 소자 |
KR20230018162A (ko) | 2021-07-29 | 2023-02-07 | 주식회사 엘지화학 | 화합물 및 이를 포함하는 유기 발광 소자 |
WO2023132489A1 (ko) | 2022-01-07 | 2023-07-13 | 주식회사 엘지화학 | 화합물 및 이를 포함하는 유기 발광 소자 |
KR102680188B1 (ko) | 2022-01-07 | 2024-07-01 | 주식회사 엘지화학 | 화합물 및 이를 포함하는 유기 발광 소자 |
KR20230107466A (ko) | 2022-01-07 | 2023-07-17 | 주식회사 엘지화학 | 화합물 및 이를 포함하는 유기 발광 소자 |
US20230255102A1 (en) | 2022-01-20 | 2023-08-10 | Rohm And Haas Electronic Materials Korea Ltd. | Plurality of host materials and organic electroluminescent device comprising the same |
EP4231804A3 (de) | 2022-02-16 | 2023-09-20 | Universal Display Corporation | Organische elektrolumineszente materialien und vorrichtungen |
KR20240003040A (ko) | 2022-06-29 | 2024-01-08 | 주식회사 엘지화학 | 화합물 및 이를 포함하는 유기 발광 소자 |
KR20240003039A (ko) | 2022-06-29 | 2024-01-08 | 주식회사 엘지화학 | 화합물 및 이를 포함하는 유기 발광 소자 |
KR20240002594A (ko) | 2022-06-29 | 2024-01-05 | 주식회사 엘지화학 | 화합물 및 이를 포함하는 유기 발광 소자 |
US20240107880A1 (en) | 2022-08-17 | 2024-03-28 | Universal Display Corporation | Organic electroluminescent materials and devices |
WO2024133048A1 (en) | 2022-12-20 | 2024-06-27 | Merck Patent Gmbh | Method for preparing deuterated aromatic compounds |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3989705A (en) * | 1974-04-01 | 1976-11-02 | Canadian Patents And Development Limited | Processes for the deuteration and/or tritiation of organic substrates by hydrogen substitution |
WO2011059463A1 (en) * | 2009-10-29 | 2011-05-19 | E. I. Du Pont De Nemours And Company | Deuterated compounds for electronic applications |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3389705A (en) * | 1966-04-29 | 1968-06-25 | Levavi David | Cigarette smoke filter device |
JPS6153228A (ja) * | 1984-08-22 | 1986-03-17 | Nippon Sheet Glass Co Ltd | 芳香族化合物に高選択的に水素同位体を導入する方法 |
JPH0653693B2 (ja) * | 1986-07-24 | 1994-07-20 | ユニチカ株式会社 | 重水素化フエノ−ル類の製造方法 |
JPH06228014A (ja) * | 1993-01-28 | 1994-08-16 | Tosoh Corp | 重水素化芳香族化合物の製造法 |
JP2789084B2 (ja) * | 1995-11-24 | 1998-08-20 | 勝 中原 | 重水素化化合物の製造方法 |
JP2004010550A (ja) * | 2002-06-07 | 2004-01-15 | Japan Science & Technology Corp | 重水素化芳香族化合物の製造方法 |
TW200404054A (en) * | 2002-07-26 | 2004-03-16 | Wako Pure Chem Ind Ltd | Method for deuteration of aromatic ring |
TW200413273A (en) * | 2002-11-15 | 2004-08-01 | Wako Pure Chem Ind Ltd | Heavy hydrogenation method of heterocyclic rings |
TW200413274A (en) * | 2002-12-27 | 2004-08-01 | Wako Pure Chem Ind Ltd | Deuteration or tritiation method |
US9255070B2 (en) * | 2004-01-23 | 2016-02-09 | Wako Pure Chemical Industries, Ltd. | Method of deuteration using mixed catalyst |
JP5464395B2 (ja) * | 2008-02-01 | 2014-04-09 | 大陽日酸株式会社 | 重水素化された芳香環又は複素環を有する化合物の製造方法 |
-
2009
- 2009-12-21 WO PCT/US2009/068924 patent/WO2011053334A1/en active Application Filing
- 2009-12-21 JP JP2012535184A patent/JP5662461B2/ja active Active
- 2009-12-21 CN CN200980161995.7A patent/CN102574753B/zh active Active
- 2009-12-21 KR KR1020127013666A patent/KR101538534B1/ko active IP Right Grant
- 2009-12-21 TW TW098143948A patent/TW201114735A/zh unknown
- 2009-12-21 EP EP09850996.1A patent/EP2493835A4/de not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3989705A (en) * | 1974-04-01 | 1976-11-02 | Canadian Patents And Development Limited | Processes for the deuteration and/or tritiation of organic substrates by hydrogen substitution |
WO2011059463A1 (en) * | 2009-10-29 | 2011-05-19 | E. I. Du Pont De Nemours And Company | Deuterated compounds for electronic applications |
Non-Patent Citations (6)
Title |
---|
BOIX C ET AL: "Efficient H-D Exchange of Aromatic Compounds in Near-Critical D2O Catalysed by a Polymer-Supported Sulphonic Acid", TETRAHEDRON LETTERS, PERGAMON, GB, vol. 40, no. 23, 4 June 1999 (1999-06-04), pages 4433 - 4436, XP004164668, ISSN: 0040-4039, DOI: 10.1016/S0040-4039(99)00765-0 * |
KAI LIU ET AL: "Solid-state deuterium NMR of imidazole ligands in cytochrome c peroxidase", JOURNAL OF THE AMERICAN CHEMICAL SOCIETY [H.W. WILSON - GS], 7 October 1998 (1998-10-07), pages 10199, XP055172193, Retrieved from the Internet <URL:http://search.proquest.com/docview/220740304> * |
OBA Y ET AL: "Biosynthesis of luciferin in the sea firefly, Cypridina hilgendorfii: l-tryptophan is a component in Cypridina luciferin", TETRAHEDRON LETTERS, PERGAMON, GB, vol. 43, no. 13, 25 March 2002 (2002-03-25), pages 2389 - 2392, XP004342984, ISSN: 0040-4039, DOI: 10.1016/S0040-4039(02)00257-5 * |
See also references of WO2011053334A1 * |
SVETLANA V. EVCHENKO ET AL: "Efficient synthesis of deuterium-labelled ferrocenes", JOURNAL OF LABELLED COMPOUNDS AND RADIOPHARMACEUTICALS, vol. 48, no. 3, 15 March 2005 (2005-03-15), pages 209 - 218, XP055192538, ISSN: 0362-4803, DOI: 10.1002/jlcr.916 * |
VAIDYANATHAN S ET AL: "Microwave mediated hydrogen deuterium exchange: a rapid synthesis of <2>H-substituted benzimidazole", TETRAHEDRON LETTERS, PERGAMON, GB, vol. 46, no. 31, 1 August 2005 (2005-08-01), pages 5195 - 5197, XP027863382, ISSN: 0040-4039, [retrieved on 20050801] * |
Also Published As
Publication number | Publication date |
---|---|
WO2011053334A1 (en) | 2011-05-05 |
EP2493835A1 (de) | 2012-09-05 |
CN102574753B (zh) | 2015-07-08 |
KR20120101029A (ko) | 2012-09-12 |
CN102574753A (zh) | 2012-07-11 |
JP2013508360A (ja) | 2013-03-07 |
TW201114735A (en) | 2011-05-01 |
KR101538534B1 (ko) | 2015-07-21 |
JP5662461B2 (ja) | 2015-01-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2493835A4 (de) | Verfahren zur herstellung deuterierter aromatischer verbindungen | |
IL214600A0 (en) | Process for preparing substituted 2-nitrobiphenyls | |
IL220357A0 (en) | Process for preparing substituted 1-o-acyl-2-deoxy-2-fluoro-4-thio-beta-d-arabinofuranoses | |
EP2412786A4 (de) | Verfahren zur herstellung eines aromatischen kohlenwasserstoffes | |
EP2548867A4 (de) | Verfahren zur herstellung von deuteriertem diphenyl-harnstoff | |
ZA201102424B (en) | Process for preparing 2-alkyl-3-aroyl-5-nitro-benzofurans | |
EP2412785A4 (de) | Verfahren zur herstellung aromatischer kohlenwasserstoffe | |
EP2534127A4 (de) | Verfahren zur herstellung von (r-)2-acetamido-n-benzyl-3-methoxy-propionamid | |
SI2358674T1 (sl) | Postopek za pripravo 4-(2-(2-fluorofenoksimetil)fenil)piperidinskih spojin | |
PT2507204E (pt) | Processo para a produção de formamidas aromáticas | |
EP2619169A4 (de) | Verfahren zur herstellung von bromharnstoff | |
HRP20150775T1 (en) | Method for preparing hypoallergens | |
PL2456741T3 (pl) | Sposób wytwarzania fluorowanych związków olefinowych | |
IL218140A0 (en) | Process for preparing 1-phenylpyrazoles | |
PL2595943T3 (pl) | Sposób wytwarzania węglowodorów aromatycznych z metanu | |
EP2594552A4 (de) | Verfahren zur herstellung von ramalin | |
IL208514A0 (en) | Process for preparing substituted biphenylanilides | |
IL211307A0 (en) | Process for preparing cinacalcet | |
HK1150163A1 (en) | Method for preparing trifluoromethanesulphinic acid | |
EP2471795A4 (de) | Verfahren zur herstellung von prasugrel | |
IL225776A0 (en) | A method for preparing combertastatin | |
EP2383273A4 (de) | Aromatische verbindung und verfahren zu ihrer herstellung | |
PL2271605T3 (pl) | Proces wytwarzania związków fluorowych | |
IL207222A0 (en) | Process for preparing hebivolol | |
EP2155759A4 (de) | Verfahren zur herstellung von diorganozinkverbindungen |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20120411 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR |
|
DAX | Request for extension of the european patent (deleted) | ||
RA4 | Supplementary search report drawn up and despatched (corrected) |
Effective date: 20150612 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: C07C 5/00 20060101AFI20150608BHEP Ipc: C07B 59/00 20060101ALI20150608BHEP Ipc: C07C 15/24 20060101ALI20150608BHEP |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: E. I. DU PONT DE NEMOURS AND COMPANY |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Effective date: 20161027 |