JPH0253520B2 - - Google Patents
Info
- Publication number
- JPH0253520B2 JPH0253520B2 JP60221730A JP22173085A JPH0253520B2 JP H0253520 B2 JPH0253520 B2 JP H0253520B2 JP 60221730 A JP60221730 A JP 60221730A JP 22173085 A JP22173085 A JP 22173085A JP H0253520 B2 JPH0253520 B2 JP H0253520B2
- Authority
- JP
- Japan
- Prior art keywords
- particles
- weight
- coating
- electrolytically
- matrix
- 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
- 239000002245 particle Substances 0.000 claims abstract description 70
- 238000000576 coating method Methods 0.000 claims abstract description 57
- 239000011248 coating agent Substances 0.000 claims abstract description 49
- 239000011159 matrix material Substances 0.000 claims abstract description 28
- 229910052751 metal Inorganic materials 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 9
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 9
- 229910052727 yttrium Inorganic materials 0.000 claims abstract description 9
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 6
- 239000000758 substrate Substances 0.000 claims abstract description 6
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 6
- 229910052742 iron Inorganic materials 0.000 claims abstract description 4
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 40
- 229910045601 alloy Inorganic materials 0.000 claims description 19
- 239000000956 alloy Substances 0.000 claims description 19
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 5
- 150000002739 metals Chemical class 0.000 claims description 4
- 238000007772 electroless plating Methods 0.000 claims 2
- 238000009713 electroplating Methods 0.000 claims 2
- 229910003266 NiCo Inorganic materials 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 abstract description 3
- 239000011253 protective coating Substances 0.000 abstract description 2
- 239000000470 constituent Substances 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- 238000004070 electrodeposition Methods 0.000 abstract 1
- 239000011651 chromium Substances 0.000 description 16
- 229910052804 chromium Inorganic materials 0.000 description 11
- 238000000151 deposition Methods 0.000 description 8
- 230000008021 deposition Effects 0.000 description 8
- 229910018138 Al-Y Inorganic materials 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 6
- 238000009826 distribution Methods 0.000 description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 238000007747 plating Methods 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 229910017052 cobalt Inorganic materials 0.000 description 4
- 239000010941 cobalt Substances 0.000 description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000003628 erosive effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229940044175 cobalt sulfate Drugs 0.000 description 2
- 229910000361 cobalt sulfate Inorganic materials 0.000 description 2
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 229910052735 hafnium Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- -1 up to 10% by weight) Chemical compound 0.000 description 2
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 2
- PQMFVUNERGGBPG-UHFFFAOYSA-N (6-bromopyridin-2-yl)hydrazine Chemical compound NNC1=CC=CC(Br)=N1 PQMFVUNERGGBPG-UHFFFAOYSA-N 0.000 description 1
- 229910000951 Aluminide Inorganic materials 0.000 description 1
- 229910020630 Co Ni Inorganic materials 0.000 description 1
- 229910002441 CoNi Inorganic materials 0.000 description 1
- 229910002440 Co–Ni Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000009718 spray deposition Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910000601 superalloy Inorganic materials 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/288—Protective coatings for blades
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D15/00—Electrolytic or electrophoretic production of coatings containing embedded materials, e.g. particles, whiskers, wires
- C25D15/02—Combined electrolytic and electrophoretic processes with charged materials
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12014—All metal or with adjacent metals having metal particles
- Y10T428/12028—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
- Y10T428/12063—Nonparticulate metal component
- Y10T428/12097—Nonparticulate component encloses particles
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12486—Laterally noncoextensive components [e.g., embedded, etc.]
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Chemically Coating (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Electroplating Methods And Accessories (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Coating By Spraying Or Casting (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8425262 | 1984-10-05 | ||
| GB8425262 | 1984-10-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61179900A JPS61179900A (ja) | 1986-08-12 |
| JPH0253520B2 true JPH0253520B2 (en, 2012) | 1990-11-16 |
Family
ID=10567782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60221730A Granted JPS61179900A (ja) | 1984-10-05 | 1985-10-04 | 金属保護被膜の製法 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4789441A (en, 2012) |
| JP (1) | JPS61179900A (en, 2012) |
| BE (1) | BE903377A (en, 2012) |
| CA (1) | CA1268139A (en, 2012) |
| DE (1) | DE3535548C2 (en, 2012) |
| FR (1) | FR2571386B1 (en, 2012) |
| IT (1) | IT1224259B (en, 2012) |
| NL (1) | NL193727C (en, 2012) |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2615871B1 (fr) * | 1987-05-26 | 1989-06-30 | Snecma | Pieces de turbomachine en superalliage comportant un revetement protecteur metalloceramique |
| DE3815976A1 (de) * | 1988-05-10 | 1989-11-23 | Mtu Muenchen Gmbh | Verfahren zur erzeugung galvanisch abgeschiedener heissgaskorrosionsschichten |
| GB8818069D0 (en) * | 1988-07-29 | 1988-09-28 | Baj Ltd | Improvements relating to electrodeposited coatings |
| GB2241506A (en) * | 1990-02-23 | 1991-09-04 | Baj Ltd | Method of producing a gas turbine blade having an abrasive tip by electrodepo- sition. |
| CA2048804A1 (en) * | 1990-11-01 | 1992-05-02 | Roger J. Perkins | Long life abrasive turbine blade tips |
| GB2267733A (en) * | 1992-05-13 | 1993-12-15 | Gen Electric | Abrasion protective and thermal dissipative coating for jet engine component leading edges. |
| GB9216706D0 (en) * | 1992-08-06 | 1992-09-23 | Baj Ltd | Electrodeposited composite coatings |
| US5486281A (en) * | 1993-10-15 | 1996-01-23 | United Technologies Corporation | Method for CBN tipping of HPC integrally bladed rotors |
| GB9414859D0 (en) * | 1994-07-22 | 1994-09-14 | Baj Coatings Ltd | Protective coating |
| GB9414858D0 (en) * | 1994-07-22 | 1994-09-14 | Baj Coatings Ltd | Protective coating |
| US5952110A (en) * | 1996-12-24 | 1999-09-14 | General Electric Company | Abrasive ceramic matrix turbine blade tip and method for forming |
| US6338809B1 (en) * | 1997-02-24 | 2002-01-15 | Superior Micropowders Llc | Aerosol method and apparatus, particulate products, and electronic devices made therefrom |
| US5935407A (en) | 1997-11-06 | 1999-08-10 | Chromalloy Gas Turbine Corporation | Method for producing abrasive tips for gas turbine blades |
| DE19753876A1 (de) | 1997-12-05 | 1999-06-10 | Asea Brown Boveri | Eisenaluminidbeschichtung und Verfahren zum Aufbringen einer Eisenaluminidbeschichtung |
| FR2787471B1 (fr) * | 1998-12-16 | 2001-03-09 | Onera (Off Nat Aerospatiale) | Procede pour former un revetement d'alliage metallique de type mcraly |
| US6197178B1 (en) | 1999-04-02 | 2001-03-06 | Microplasmic Corporation | Method for forming ceramic coatings by micro-arc oxidation of reactive metals |
| US6190525B1 (en) | 1999-04-22 | 2001-02-20 | Ppg Industries Ohio, Inc. | Electrodeposition baths containing yttrium |
| DE19941228B4 (de) * | 1999-08-30 | 2009-12-31 | Alstom | Eisenaluminidbeschichtung und deren Verwendung |
| EP1143030A1 (en) | 2000-04-03 | 2001-10-10 | ABB Alstom Power N.V. | Tip material for a turbine blade and method of manufacturing or repairing a tip of a turbine blade |
| US6998151B2 (en) * | 2002-05-10 | 2006-02-14 | General Electric Company | Method for applying a NiAl based coating by an electroplating technique |
| EP1411210A1 (en) * | 2002-10-15 | 2004-04-21 | ALSTOM Technology Ltd | Method of depositing an oxidation and fatigue resistant MCrAIY-coating |
| DE10251902B4 (de) | 2002-11-07 | 2009-05-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zum Beschichten eines Substrats und beschichteter Gegenstand |
| EP1422054A1 (de) * | 2002-11-21 | 2004-05-26 | Siemens Aktiengesellschaft | Schichtsystem für eine Verwenbdung in Gasturbinen |
| DE60231084D1 (de) * | 2002-12-06 | 2009-03-19 | Alstom Technology Ltd | Verfahren zur selektiven Abscheidung einer MCrAlY-Beschichtung |
| EP1426458B1 (en) * | 2002-12-06 | 2008-03-12 | ALSTOM Technology Ltd | Method of locally depositing a MCrAlY coating |
| EP1460152B1 (en) * | 2003-03-21 | 2006-07-26 | ALSTOM Technology Ltd | A method of depositing a wear resistant seal coating and seal system |
| EP1616047A1 (en) * | 2003-04-11 | 2006-01-18 | Lynntech, Inc. | Compositions and coatings including quasicrystals |
| US7314650B1 (en) * | 2003-08-05 | 2008-01-01 | Leonard Nanis | Method for fabricating sputter targets |
| DE102007048484A1 (de) * | 2007-10-09 | 2009-04-16 | Man Turbo Ag | Heißgasgeführte Komponente einer Strömungsmaschine |
| EP2096194B1 (en) * | 2008-02-19 | 2016-06-01 | Parker-Hannifin Corporation | Protective coating for metallic seals |
| JP4564545B2 (ja) * | 2008-03-25 | 2010-10-20 | 株式会社東芝 | コーティング方法 |
| FR2954780B1 (fr) * | 2009-12-29 | 2012-02-03 | Snecma | Procede de depot par voie electrolytique d'un revetement composite a matrice metallique contenant des particules, pour la reparation d'une aube metallique |
| US8778164B2 (en) | 2010-12-16 | 2014-07-15 | Honeywell International Inc. | Methods for producing a high temperature oxidation resistant coating on superalloy substrates and the coated superalloy substrates thereby produced |
| JP5412462B2 (ja) * | 2011-04-19 | 2014-02-12 | 日本パーカライジング株式会社 | 金属材料用耐食合金コーティング膜及びその形成方法 |
| DE102011100100A1 (de) * | 2011-04-29 | 2012-10-31 | Air Liquide Deutschland Gmbh | Verfahren zum Behandeln einer Leitungskomponente |
| US9771661B2 (en) | 2012-02-06 | 2017-09-26 | Honeywell International Inc. | Methods for producing a high temperature oxidation resistant MCrAlX coating on superalloy substrates |
| US10087540B2 (en) | 2015-02-17 | 2018-10-02 | Honeywell International Inc. | Surface modifiers for ionic liquid aluminum electroplating solutions, processes for electroplating aluminum therefrom, and methods for producing an aluminum coating using the same |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1051685A (en, 2012) * | 1963-03-01 | |||
| GB1218179A (en) * | 1967-04-18 | 1971-01-06 | Bristol Aerojet Ltd | Improvements relating to electrodeposited coatings |
| GB1329081A (en) * | 1970-08-27 | 1973-09-05 | Bristol Aerojet Ltd | Electrodeposition of composite coatings |
| US3830711A (en) * | 1972-01-19 | 1974-08-20 | Bristol Aerojet Ltd | Electrodeposition of composite coatings |
| GB1347184A (en) * | 1972-07-07 | 1974-02-27 | Bristol Aerojet Ltd | Electrodeposition of composite coatings |
| JPS5518778B2 (en, 2012) * | 1973-02-16 | 1980-05-21 | ||
| US3976436A (en) * | 1975-02-13 | 1976-08-24 | General Electric Company | Metal of improved environmental resistance |
| CH599352A5 (en, 2012) * | 1976-10-15 | 1978-05-31 | Bbc Brown Boveri & Cie | |
| US4152223A (en) * | 1977-07-13 | 1979-05-01 | United Technologies Corporation | Plasma sprayed MCrAlY coating and coating method |
| GB2014189B (en) * | 1977-12-21 | 1982-06-09 | Bristol Aerojet Ltd | Processes for the electrodeposition of composite coatings |
| US4169020A (en) * | 1977-12-21 | 1979-09-25 | General Electric Company | Method for making an improved gas seal |
| JPS54112785A (en) * | 1978-02-24 | 1979-09-03 | Asahi Glass Co Ltd | Electrode and manufacture thereof |
| EP0024802B1 (en) * | 1979-07-30 | 1984-05-09 | The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and | A method of forming a corrosion resistant coating on a metal article |
| GB2083076B (en) * | 1980-07-02 | 1984-06-13 | Baj Vickers Ltd | Composite electrodeposited coating and a method of forming such a coating |
-
1985
- 1985-10-04 BE BE0/215683A patent/BE903377A/fr not_active IP Right Cessation
- 1985-10-04 IT IT48635/85A patent/IT1224259B/it active
- 1985-10-04 US US06/784,349 patent/US4789441A/en not_active Expired - Lifetime
- 1985-10-04 DE DE3535548A patent/DE3535548C2/de not_active Expired - Lifetime
- 1985-10-04 CA CA000492291A patent/CA1268139A/en not_active Expired - Lifetime
- 1985-10-04 JP JP60221730A patent/JPS61179900A/ja active Granted
- 1985-10-04 FR FR858514746A patent/FR2571386B1/fr not_active Expired - Lifetime
- 1985-10-04 NL NL8502724A patent/NL193727C/nl not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| IT1224259B (it) | 1990-10-04 |
| CA1268139A (en) | 1990-04-24 |
| DE3535548C2 (de) | 1999-03-04 |
| NL8502724A (nl) | 1986-05-01 |
| US4789441A (en) | 1988-12-06 |
| NL193727B (nl) | 2000-04-03 |
| FR2571386A1 (fr) | 1986-04-11 |
| FR2571386B1 (fr) | 1990-01-12 |
| DE3535548A1 (de) | 1986-04-17 |
| NL193727C (nl) | 2000-08-04 |
| JPS61179900A (ja) | 1986-08-12 |
| BE903377A (fr) | 1986-04-04 |
| IT8548635A0 (it) | 1985-10-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |