EP1026270B1 - Produkt aus AlCuMg-Legierung für ein Zellenbauteil eines Flugzeuges - Google Patents
Produkt aus AlCuMg-Legierung für ein Zellenbauteil eines Flugzeuges Download PDFInfo
- Publication number
- EP1026270B1 EP1026270B1 EP00420020A EP00420020A EP1026270B1 EP 1026270 B1 EP1026270 B1 EP 1026270B1 EP 00420020 A EP00420020 A EP 00420020A EP 00420020 A EP00420020 A EP 00420020A EP 1026270 B1 EP1026270 B1 EP 1026270B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mpa
- measured
- thickness
- product
- quenched
- 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 - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/057—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with copper as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/16—Alloys based on aluminium with copper as the next major constituent with magnesium
Claims (10)
- Walz-, Press- oder Schmiedeerzeugnis aus AlCuMg-Legierung, behandelt durch Homogenisieren, Warmumformen bei einer Austrittstemperatur oberhalb 420°C, um auf einem Viertel der Dicke einen Rekristallisationsgrad von weniger als 20 % zu erhalten, Lösungsglühen, Abschrecken, Kaltrecken und Auslagern, für die Herstellung von Zellenbauteilen eines Flugzeugs, mit der Zusammensetzung (Gew.-%):
Fe < 0,15 Si < 0,15 Fe + Si < 0,15 % Cu: 4,0 - 4,3 Mg: 1 - 1,5 Mn: 0,5 - 0,8 Zr: 0,08 - 0,15
weitere Elemente jeweils < 0,05 und insgesamt < 0,15, mit einem Rm(L)/R0,2(L)-Verhältnis > 1,25 (vorzugsweise > 1,30). - Walzerzeugnis von 6 bis 60 mm Dicke nach Anspruch 1, das im abgeschreckten und gestreckten Zustand eine Bruchfestigkeit Rm(L) > 475 MPa und eine Dehngrenze R0,2(L) > 370 MPa aufweist.
- Walzerzeugnis von 6 bis 60 mm Dicke nach einem der Ansprüche 1 oder 2, das im abgeschreckten und gestreckten Zustand einen Verformungsunterschied zwischen Bruchfestigkeit Rm und Dehngrenze R0,2 in Längs- und Längs-Querrichtung > 100 MPa aufweist.
- Walzerzeugnis von 6 bis 60 mm Dicke nach einem der Ansprüche 1 bis 3, das im abgeschreckten und gestreckten Zustand einen kritischen Spannungsintensitätsfaktor (längs/quer) Kc > 170 MPa√m und K co > 120 MPa√m aufweist, gemessen nach der Norm ASTM E 561 an angekerbten, auf einem Viertel der Dicke entnommenen Proben mit den Parametern W = 500 mm, B = 5 mm und 2a0 = 165 mm.
- Walzerzeugnis von 6 bis 60 mm Dicke nach einem der Ansprüche 1 bis 4, das im abgeschreckten und gestreckten Zustand eine Rissausbreitungsgeschwindigkeit (längs/quer) aufweist, gemessen nach der Norm ASTM E 647 an angekerbten, auf einem Viertel der Dicke entnommenen Proben mit W = 200 mm und B = 5 mm:< 10-4 mm/Zyklus bei ΔK = 10 MPa√m< 2,5 10-4 mm/Zyklus bei ΔK = 15 MPa√mund < 5 10-4 mm/Zyklus bei ΔK = 20 MPa√m.
- Walzerzeugnis nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass es eine Durchbiegung f, gemessen in Längs- und Längsquerrichtung nach Bearbeitung auf halber Dicke eines auf zwei, um eine Länge I voneinander beabstandeten Stützen aufliegenden Probestabs, von weniger als (0,14 I2)/e aufweist, wobei f in Mikrometern gemessen ist und die Dicke e des Blechs und die Länge I in mm ausgedrückt sind.
- Verfahren zur Herstellung eines Erzeugnisses nach einem der Ansprüche 1 bis 6, mit folgenden Schritten:Gießen einer Platte mit der genannten ZusammensetzungHomogenisieren dieser Platte zwischen 450 und 500°CWarm- und eventuell Kaltumformen durch Walzen, Pressen oder Schmieden, bis sich das gewünschte Erzeugnis ergibtLösungsglühen bei einer Temperatur zwischen 480 und 505°CAbschrecken mit kaltem WasserKaltrecken bis auf mehr als 1,5 % bleibende VerformungKaltauslagerung bei Raumtemperatur.
- Verfahren nach Anspruch 7, dadurch gekennzeichnet, dass die Warmumformung bei einer Austrittstemperatur oberhalb 440°C erfolgt.
- Verwendung von Blechen nach einem der Ansprüche 2 bis 6 zur Herstellung der Außenhaut für die Tragflügelunterseite eines Flugzeugs.
- Verwendung von Profilen nach Anspruch 1 zur Herstellung von Versteifungen für die Tragflügelunterseite und den Rumpf eines Flugzeugs.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9901468 | 1999-02-04 | ||
FR9901468A FR2789405A1 (fr) | 1999-02-04 | 1999-02-04 | PRODUIT EN ALLIAGE AlCuMg POUR ELEMENT DE STRUCTURE D'AVION |
FR9910682 | 1999-08-18 | ||
FR9910682A FR2789406B1 (fr) | 1999-02-04 | 1999-08-18 | PRODUIT EN ALLIAGE AlCuMg POUR ELEMENT DE STRUCTURE D'AVION |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1026270A1 EP1026270A1 (de) | 2000-08-09 |
EP1026270B1 true EP1026270B1 (de) | 2005-04-27 |
Family
ID=26234808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00420020A Expired - Lifetime EP1026270B1 (de) | 1999-02-04 | 2000-02-01 | Produkt aus AlCuMg-Legierung für ein Zellenbauteil eines Flugzeuges |
Country Status (5)
Country | Link |
---|---|
US (2) | US6602361B2 (de) |
EP (1) | EP1026270B1 (de) |
DE (1) | DE60019655T2 (de) |
FR (1) | FR2789406B1 (de) |
GB (1) | GB2346381A (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7883591B2 (en) | 2004-10-05 | 2011-02-08 | Aleris Aluminum Koblenz Gmbh | High-strength, high toughness Al-Zn alloy product and method for producing such product |
US8002913B2 (en) | 2006-07-07 | 2011-08-23 | Aleris Aluminum Koblenz Gmbh | AA7000-series aluminum alloy products and a method of manufacturing thereof |
US8608876B2 (en) | 2006-07-07 | 2013-12-17 | Aleris Aluminum Koblenz Gmbh | AA7000-series aluminum alloy products and a method of manufacturing thereof |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6325869B1 (en) * | 1999-01-15 | 2001-12-04 | Alcoa Inc. | Aluminum alloy extrusions having a substantially unrecrystallized structure |
US7323068B2 (en) * | 2002-08-20 | 2008-01-29 | Aleris Aluminum Koblenz Gmbh | High damage tolerant Al-Cu alloy |
US7604704B2 (en) * | 2002-08-20 | 2009-10-20 | Aleris Aluminum Koblenz Gmbh | Balanced Al-Cu-Mg-Si alloy product |
US7494552B2 (en) * | 2002-08-20 | 2009-02-24 | Aleris Aluminum Koblenz Gmbh | Al-Cu alloy with high toughness |
CN100547098C (zh) | 2003-04-10 | 2009-10-07 | 克里斯铝轧制品有限公司 | 一种铝-锌-镁-铜合金 |
US20050034794A1 (en) * | 2003-04-10 | 2005-02-17 | Rinze Benedictus | High strength Al-Zn alloy and method for producing such an alloy product |
US7666267B2 (en) * | 2003-04-10 | 2010-02-23 | Aleris Aluminum Koblenz Gmbh | Al-Zn-Mg-Cu alloy with improved damage tolerance-strength combination properties |
US20060032560A1 (en) * | 2003-10-29 | 2006-02-16 | Corus Aluminium Walzprodukte Gmbh | Method for producing a high damage tolerant aluminium alloy |
US20070204937A1 (en) * | 2005-07-21 | 2007-09-06 | Aleris Koblenz Aluminum Gmbh | Wrought aluminium aa7000-series alloy product and method of producing said product |
US20070151636A1 (en) * | 2005-07-21 | 2007-07-05 | Corus Aluminium Walzprodukte Gmbh | Wrought aluminium AA7000-series alloy product and method of producing said product |
CA2750394C (en) | 2009-01-22 | 2015-12-08 | Alcoa Inc. | Improved aluminum-copper alloys containing vanadium |
JP6057855B2 (ja) * | 2013-07-31 | 2017-01-11 | 株式会社神戸製鋼所 | 切削用アルミニウム合金押出材 |
FR3011252B1 (fr) | 2013-09-30 | 2015-10-09 | Constellium France | Tole d'intrados a proprietes de tolerance aux dommages ameliorees |
WO2018206696A1 (en) * | 2017-05-11 | 2018-11-15 | Aleris Aluminum Duffel Bvba | Method of manufacturing an al-si-mg alloy rolled sheet product with excellent formability |
US20190233921A1 (en) * | 2018-02-01 | 2019-08-01 | Kaiser Aluminum Fabricated Products, Llc | Low Cost, Low Density, Substantially Ag-Free and Zn-Free Aluminum-Lithium Plate Alloy for Aerospace Application |
CN108704967A (zh) * | 2018-04-25 | 2018-10-26 | 南京航空航天大学 | 一种铝合金电脉冲新淬火成形工艺及装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3826688A (en) * | 1971-01-08 | 1974-07-30 | Reynolds Metals Co | Aluminum alloy system |
US4294625A (en) * | 1978-12-29 | 1981-10-13 | The Boeing Company | Aluminum alloy products and methods |
US4336075A (en) * | 1979-12-28 | 1982-06-22 | The Boeing Company | Aluminum alloy products and method of making same |
US5213639A (en) * | 1990-08-27 | 1993-05-25 | Aluminum Company Of America | Damage tolerant aluminum alloy products useful for aircraft applications such as skin |
CA2049840C (en) * | 1990-08-27 | 2002-04-23 | Edward L. Colvin | Damage tolerant aluminum alloy sheet for aircraft skin |
CA2056750A1 (en) * | 1990-12-03 | 1992-06-04 | Delbert M. Naser | Aircraft sheet |
FR2731440B1 (fr) * | 1995-03-10 | 1997-04-18 | Pechiney Rhenalu | Toles en alliage al-cu-mg a faible niveau de contraintes residuelles |
JP3053352B2 (ja) * | 1995-04-14 | 2000-06-19 | 株式会社神戸製鋼所 | 破壊靭性、疲労特性および成形性の優れた熱処理型Al合金 |
US5863359A (en) * | 1995-06-09 | 1999-01-26 | Aluminum Company Of America | Aluminum alloy products suited for commercial jet aircraft wing members |
US6077363A (en) * | 1996-06-17 | 2000-06-20 | Pechiney Rhenalu | Al-Cu-Mg sheet metals with low levels of residual stress |
US6325869B1 (en) * | 1999-01-15 | 2001-12-04 | Alcoa Inc. | Aluminum alloy extrusions having a substantially unrecrystallized structure |
-
1999
- 1999-08-18 FR FR9910682A patent/FR2789406B1/fr not_active Expired - Lifetime
- 1999-10-13 GB GB9924277A patent/GB2346381A/en not_active Withdrawn
-
2000
- 2000-01-10 US US09/479,924 patent/US6602361B2/en not_active Expired - Lifetime
- 2000-02-01 EP EP00420020A patent/EP1026270B1/de not_active Expired - Lifetime
- 2000-02-01 DE DE60019655T patent/DE60019655T2/de not_active Expired - Lifetime
-
2003
- 2003-06-19 US US10/464,501 patent/US20030217793A1/en not_active Abandoned
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7883591B2 (en) | 2004-10-05 | 2011-02-08 | Aleris Aluminum Koblenz Gmbh | High-strength, high toughness Al-Zn alloy product and method for producing such product |
US8002913B2 (en) | 2006-07-07 | 2011-08-23 | Aleris Aluminum Koblenz Gmbh | AA7000-series aluminum alloy products and a method of manufacturing thereof |
US8088234B2 (en) | 2006-07-07 | 2012-01-03 | Aleris Aluminum Koblenz Gmbh | AA2000-series aluminum alloy products and a method of manufacturing thereof |
US8608876B2 (en) | 2006-07-07 | 2013-12-17 | Aleris Aluminum Koblenz Gmbh | AA7000-series aluminum alloy products and a method of manufacturing thereof |
Also Published As
Publication number | Publication date |
---|---|
GB2346381A (en) | 2000-08-09 |
US20020014288A1 (en) | 2002-02-07 |
GB9924277D0 (en) | 1999-12-15 |
FR2789406A1 (fr) | 2000-08-11 |
EP1026270A1 (de) | 2000-08-09 |
US6602361B2 (en) | 2003-08-05 |
DE60019655T2 (de) | 2006-02-02 |
DE60019655D1 (de) | 2005-06-02 |
US20030217793A1 (en) | 2003-11-27 |
FR2789406B1 (fr) | 2001-03-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1026270B1 (de) | Produkt aus AlCuMg-Legierung für ein Zellenbauteil eines Flugzeuges | |
EP1114877B1 (de) | Strukturelement eines Flugzeugs aus Al-Cu-Mg Legierung | |
FR2853667A1 (fr) | Alliage al-an-mg-cu ameliore en ce qui concerne ses proprietes combinees de tolerance aux dommages et de resistance mecanique | |
EP1966402B1 (de) | Blech aus einer hochfesten aluminiumlegierung mit kupfer und lithium für einen flugzeugrumpf | |
EP2364378B1 (de) | Produkte aus aluminium-kupfer-lithium-legierung | |
EP1231290A1 (de) | Verfahren zur Herstellung eines hochfesten Knetproduktes aus AlZnMgCu-Legierung | |
FR2855834A1 (fr) | Produit ouvre en alliage a grande tolerance aux dommages, en particulier pour des applications dans le domaine aerospatial | |
FR2838135A1 (fr) | PRODUITS CORROYES EN ALLIAGES A1-Zn-Mg-Cu A TRES HAUTES CARACTERISTIQUES MECANIQUES, ET ELEMENTS DE STRUCTURE D'AERONEF | |
EP1382698B1 (de) | Knetprodukt aus Al-Cu-Mg-Legierung für das Strukturbauteil eines Flugzeugs | |
FR2907467A1 (fr) | Procede de fabrication de produits en alliage d'aluminium de la serie aa2000 et produits fabriques selon ce procede | |
EP2235224A1 (de) | Gerolltes produkt aus aluminium-lithium-legierung für die luftfahrt | |
FR2838136A1 (fr) | PRODUITS EN ALLIAGE A1-Zn-Mg-Cu A COMPROMIS CARACTERISTIQUES STATISTIQUES/TOLERANCE AUX DOMMAGES AMELIORE | |
WO2016051099A1 (fr) | Tôles isotropes en alliage d'aluminium-cuivre-lithium pour la fabrication de fuselages d'avion | |
EP3201370A1 (de) | Schmiedeprodukt aus magnesium-lithium-aluminium-legierung | |
WO2014162068A1 (fr) | Tôles en alliage d'aluminium-cuivre-lithium pour la fabrication de fuselages d'avion | |
EP3526358A1 (de) | Dünne bleche aus aluminium-magnesium-scandium-legierung für anwendungen in der luft- und raumfahrt | |
WO2015044538A1 (fr) | Tôle d'intrados à propriétés de tolérance aux dommages améliorées | |
EP3635146A1 (de) | Aluminiumlegierung mit lithium mit verbesserten ermüdungseigenschaften | |
FR2789405A1 (fr) | PRODUIT EN ALLIAGE AlCuMg POUR ELEMENT DE STRUCTURE D'AVION | |
FR3065011A1 (fr) | Produits en alliage aluminium-cuivre-lithium | |
FR3026410B1 (fr) | Produit corroye en alliage aluminium magnesium lithium | |
FR3132306A1 (fr) | Tôle mince améliorée en alliage d’aluminium-cuivre-lithium |
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 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE FR GB |
|
AX | Request for extension of the european patent |
Free format text: AL;LT;LV;MK;RO;SI |
|
GBC | Gb: translation of claims filed (gb section 78(7)/1977) | ||
17P | Request for examination filed |
Effective date: 20001002 |
|
AKX | Designation fees paid |
Free format text: DE FR GB |
|
17Q | First examination report despatched |
Effective date: 20030820 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE FR GB |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REF | Corresponds to: |
Ref document number: 60019655 Country of ref document: DE Date of ref document: 20050602 Kind code of ref document: P |
|
GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) |
Effective date: 20050902 |
|
PLBI | Opposition filed |
Free format text: ORIGINAL CODE: 0009260 |
|
PLAX | Notice of opposition and request to file observation + time limit sent |
Free format text: ORIGINAL CODE: EPIDOSNOBS2 |
|
26 | Opposition filed |
Opponent name: CORUS ALUMINIUM WALZPRODUKTE GMBH ET AL. Effective date: 20060127 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: CD |
|
PLBB | Reply of patent proprietor to notice(s) of opposition received |
Free format text: ORIGINAL CODE: EPIDOSNOBS3 |
|
PLAB | Opposition data, opponent's data or that of the opponent's representative modified |
Free format text: ORIGINAL CODE: 0009299OPPO |
|
R26 | Opposition filed (corrected) |
Opponent name: CORUS ALUMINIUM WALZPRODUKTE GMBH ET AL. Effective date: 20060127 |
|
RAP2 | Party data changed (patent owner data changed or rights of a patent transferred) |
Owner name: ALCAN RHENALU |
|
PLCK | Communication despatched that opposition was rejected |
Free format text: ORIGINAL CODE: EPIDOSNREJ1 |
|
APAH | Appeal reference modified |
Free format text: ORIGINAL CODE: EPIDOSCREFNO |
|
APBP | Date of receipt of notice of appeal recorded |
Free format text: ORIGINAL CODE: EPIDOSNNOA2O |
|
APBQ | Date of receipt of statement of grounds of appeal recorded |
Free format text: ORIGINAL CODE: EPIDOSNNOA3O |
|
PLAB | Opposition data, opponent's data or that of the opponent's representative modified |
Free format text: ORIGINAL CODE: 0009299OPPO |
|
R26 | Opposition filed (corrected) |
Opponent name: ALERIS ALUMINUM KOBLENZ GMBH Effective date: 20060127 |
|
APAH | Appeal reference modified |
Free format text: ORIGINAL CODE: EPIDOSCREFNO |
|
PLAB | Opposition data, opponent's data or that of the opponent's representative modified |
Free format text: ORIGINAL CODE: 0009299OPPO |
|
APBU | Appeal procedure closed |
Free format text: ORIGINAL CODE: EPIDOSNNOA9O |
|
PLBN | Opposition rejected |
Free format text: ORIGINAL CODE: 0009273 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: OPPOSITION REJECTED |
|
27O | Opposition rejected |
Effective date: 20101125 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: CD Owner name: CONSTELLIUM FRANCE, FR Effective date: 20111123 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R082 Ref document number: 60019655 Country of ref document: DE Representative=s name: BEETZ & PARTNER PATENT- UND RECHTSANWAELTE, DE |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R081 Ref document number: 60019655 Country of ref document: DE Owner name: CONSTELLIUM FRANCE, FR Free format text: FORMER OWNER: PECHINEY RHENALU, PARIS, FR Effective date: 20120622 Ref country code: DE Ref legal event code: R082 Ref document number: 60019655 Country of ref document: DE Representative=s name: BEETZ & PARTNER MBB, DE Effective date: 20120622 Ref country code: DE Ref legal event code: R082 Ref document number: 60019655 Country of ref document: DE Representative=s name: BEETZ & PARTNER PATENT- UND RECHTSANWAELTE, DE Effective date: 20120622 Ref country code: DE Ref legal event code: R082 Ref document number: 60019655 Country of ref document: DE Representative=s name: BEETZ & PARTNER MBB PATENTANWAELTE, DE Effective date: 20120622 Ref country code: DE Ref legal event code: R081 Ref document number: 60019655 Country of ref document: DE Owner name: CONSTELLIUM ISSOIRE, FR Free format text: FORMER OWNER: PECHINEY RHENALU, PARIS, FR Effective date: 20120622 Ref country code: DE Ref legal event code: R082 Ref document number: 60019655 Country of ref document: DE Representative=s name: BEETZ & PARTNER MBB PATENT- UND RECHTSANWAELTE, DE Effective date: 20120622 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: CA Effective date: 20150915 Ref country code: FR Ref legal event code: CD Owner name: CONSTELLIUM ISSOIRE, FR Effective date: 20150915 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 17 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R082 Ref document number: 60019655 Country of ref document: DE Representative=s name: BEETZ & PARTNER MBB PATENTANWAELTE, DE Ref country code: DE Ref legal event code: R081 Ref document number: 60019655 Country of ref document: DE Owner name: CONSTELLIUM ISSOIRE, FR Free format text: FORMER OWNER: CONSTELLIUM FRANCE, PARIS, FR Ref country code: DE Ref legal event code: R082 Ref document number: 60019655 Country of ref document: DE Representative=s name: BEETZ & PARTNER MBB PATENT- UND RECHTSANWAELTE, DE |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 18 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 19 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20190227 Year of fee payment: 20 Ref country code: DE Payment date: 20190227 Year of fee payment: 20 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20190225 Year of fee payment: 20 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R071 Ref document number: 60019655 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: PE20 Expiry date: 20200131 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION Effective date: 20200131 |