EP1032021A1 - Metallhalogenidlampe - Google Patents
Metallhalogenidlampe Download PDFInfo
- Publication number
- EP1032021A1 EP1032021A1 EP00100688A EP00100688A EP1032021A1 EP 1032021 A1 EP1032021 A1 EP 1032021A1 EP 00100688 A EP00100688 A EP 00100688A EP 00100688 A EP00100688 A EP 00100688A EP 1032021 A1 EP1032021 A1 EP 1032021A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- metal halide
- lamp according
- filling
- halide lamp
- discharge vessel
- 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.)
- Granted
Links
- 229910001507 metal halide Inorganic materials 0.000 title claims abstract description 42
- 150000005309 metal halides Chemical class 0.000 title claims abstract description 42
- 150000004820 halides Chemical class 0.000 claims abstract description 11
- 239000011261 inert gas Substances 0.000 claims abstract description 5
- 229910052753 mercury Inorganic materials 0.000 claims abstract description 4
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims abstract description 3
- 238000009877 rendering Methods 0.000 claims description 13
- 230000003595 spectral effect Effects 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052792 caesium Inorganic materials 0.000 claims description 3
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052689 Holmium Inorganic materials 0.000 claims description 2
- 229910052775 Thulium Inorganic materials 0.000 claims description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052794 bromium Inorganic materials 0.000 claims description 2
- 229910052740 iodine Inorganic materials 0.000 claims description 2
- 239000011630 iodine Substances 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims description 2
- 239000011572 manganese Substances 0.000 abstract description 18
- 229910052748 manganese Inorganic materials 0.000 abstract description 9
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 abstract description 7
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 abstract 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 abstract 1
- -1 manganese halide Chemical class 0.000 abstract 1
- 239000011734 sodium Substances 0.000 description 15
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 11
- 229910052708 sodium Inorganic materials 0.000 description 11
- 238000001228 spectrum Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052716 thallium Inorganic materials 0.000 description 2
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
Definitions
- the invention relates to a metal halide lamp according to the preamble of Claim 1.
- metal halide lamps a quartz glass or ceramic discharge vessel, often in an outer bulb is housed.
- a metal halide lamp is already known from DE-A 43 27 534, which uses AlJ 3 and / or AlBr 3 together with metal halides of thallium, cesium and / or rare earth metals for high color temperatures above 5000 K as fillings for photo-optical purposes.
- Iron is often used in metal halide lamps that are used as UV lamps used as the main source of UV radiation.
- EP-B 543 169 known to avoid the blackening occurring with iron add other UV lamps such as manganese, bismuth, thallium or tin.
- metal halide discharge lamps often contain sodium.
- US-A 3 575 630 describes a filling with halides of the metals Na, Tl and Zr.
- Metal halide discharge lamps with a glass discharge vessel and a sodium-containing filling have the disadvantage of sodium diffusion through the discharge vessel, whereby the lamp life is reduced. The sodium diffusion must be reduced with additional measures, for example the shielding of the power supply in the vicinity of the discharge vessel. This increases the manufacturing cost of the lamp.
- the metal halide filling contains manganese in the form of Mn halide as the essential or only constituent.
- the spectral lines of manganese in the visible spectral range are used for the first time to improve the general color rendering index R a .
- the improved red rendering (R 9 ) is primarily due to the fact that a number of Mn lines lie in the wavelength range greater than 603 nm.
- a particular advantage is that the UV radiation of the manganese can also be used to increase the temperature of the discharge vessel. This is done in that an envelope (often it is an additional outer bulb and / or the discharge vessel itself) is made of UV-impermeable material, for example hard glass or doped quartz glass. The UV radiation is thus absorbed in the envelope and largely returned to the discharge vessel. This increases the temperature of the cold spot, which benefits the light output.
- an envelope often it is an additional outer bulb and / or the discharge vessel itself
- the UV radiation is thus absorbed in the envelope and largely returned to the discharge vessel. This increases the temperature of the cold spot, which benefits the light output.
- Typically can be with manganese as the only metal a very high color temperature of 8000 K at a high Ra of more than 90 achieve. Overall, an R a > 95 and an R 9 > 90 can be achieved.
- Manganese with other halides of the elements Cs, Dy, Tl, Ho, Tm is advantageous as well as possibly small amounts of sodium combined.
- Mn is used for complete or partial Substitution of Na because of essential spectral lines of the Mn in the visible spectral range are very close to the sodium D lines.
- These fillings with several Components are ideally suited for generation in general lighting warm white or neutral white light colors with a color temperature between about 3000 and 4500 K.
- Mn forms an essential component of the Metal halide filling, in particular its proportion is at least 20% by weight of the entire metal halide filling.
- the amount of Mn is preferably from 0.01 to 50 ⁇ mol per cm 3 of the volume of the discharge vessel.
- up to 30 ⁇ mol per cm 3 Cs is added to the filling.
- one or more of the following components are added to the filling: up to 35 ⁇ mol per cm 3 Dy, or up to 15 ⁇ mol per cm 3 Tl, or up to 18 ⁇ mol per cm 3 Ho, or up to 18 ⁇ mol per cm 3 Tm. This enables the desired R a and R 9 to be fine-tuned.
- halogens for the formation of halides are iodine and / or bromine used.
- the volume between the discharge vessel and the outer bulb is advantageously evacuated. This enables a particularly high color rendering index R a to be achieved.
- the volume between the discharge vessel and the outer bulb can contain a gas filling, in particular inert gas, which can increase the service life.
- the gas filling consists of 10 to 90 kPa N 2 (cold) or 5 to 70 kPa CO 2 (cold).
- FIG. 1 An embodiment of a metal halide lamp 1 with a power of 250 W. is shown schematically in Fig. 1. It is a two-way pinch Discharge vessel 2 from a cylindrical evacuated outer bulb 3 Tempered glass (UV-impermeable) is enclosed, which is capped on one side. The one The end of the outer bulb 3 has a rounded tip 4, whereas the other End has a screw base 5.
- a holding frame 6 fixes the discharge vessel 2 axially inside the outer bulb 3.
- the holding frame 6 consists in essentially of two lead wires 7, 8, of which the shorter (7) with the power supply 9 of the discharge vessel 2 near the base is connected.
- the long Lead wire 8 is essentially a solid metal support wire that runs along of the discharge vessel 2 extends and leads to the power supply 10 remote from the base.
- the ends 15 of the discharge vessel 2 have a heat-reflecting coating 16 provided.
- Several getters 14 are additionally welded to the holding frame 6.
- the volume of the discharge vessel 2 is approximately 5.2 cm 3 .
- the distance between the two electrodes 11, 12 is 27.5 mm.
- the discharge gas contains 56 mbar argon as the base gas.
- the outer bulb is evacuated and therefore thermally well insulated, which results in particularly good color rendering.
- the outer bulb can contain a gas filling to increase the service life.
- Inert gas N 2 or CO 2
- Mn has, among other things, an intensive group of spectral lines in the range from 601 to 603 nm, with which lamps with warm white to neutral white light color (similar to a filling containing Na) can be realized, because Na has the most intense spectral lines at a wavelength of about 589 nm.
- the spectrum of FIG. 2 shows that Mn has numerous line groups in the visible spectral range at wavelengths greater than 603 nm which are suitable for improving the red reproduction. Further usable line groups are in the short-wave range between approximately 450 and 550 nm.
- the luminous efficacy is relatively low at around 34 lm / W.
- a lower color temperature of typically 4200 K down to approx. 3900 K can be achieved with a metal halide filling consisting of CsJ (14.7% by weight), DyJ 3 (30.0% by weight), TlJ (10 , 2%), HoJ 3 (9.2%), TmJ 3 (9.2%) and MnJ 2 (26.7%).
- the metal halide filling consists of CsJ (11.5% by weight), DyJ 3 (31.2% by weight), TlJ (10.6%), HoJ 3 (9.5%), TmJ 3 (9.5%) and MnJ 2 (27.7%).
Landscapes
- Discharge Lamp (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Luminescent Compositions (AREA)
- Glass Compositions (AREA)
Abstract
Description
- Figur 1
- eine Metallhalogenidlampe in Seitenansicht;
- Figur 2
- das Spektrum einer Metallhalogenidlampe mit mangan-haltiger Füllung;
- Figur 3
- das Spektrum einer Metallhalogenidlampe mit einer Füllung aus mehreren Komponenten.
Claims (16)
- Metallhalogenidlampe zur Anwendung im sichtbaren Spektralbereich mit einem Farbwiedergabeindex von Ra>80, wobei das Entladungsgefäß (2) zwei Elektroden (11,12) und eine ionisierbare Füllung aus Inertgas, Quecksilber und mindestens einem Metallhalogenid enthält, dadurch gekennzeichnet, daß als ein wesentliches oder einziges Metallhalogenid ein Halogenid des Mn verwendet wird.
- Metallhalogenidlampe nach Anspruch 1, dadurch gekennzeichnet, daß zum Erzielen einer Farbtemperatur von unter 5000 K außerdem mindestens ein Halogenid aus der Gruppe der Metalle Cs, Dy, Tl, Ho, Tm, und evtl. Na in kleinen Mengen, vorhanden ist.
- Metallhalogenidlampe nach Anspruch 1, dadurch gekennzeichnet, daß die Füllmenge an Mn 0,01 bis 50 µmol pro cm3 des Volumens des Entladungsgefäßes beträgt.
- Metallhalogenidlampe nach Anspruch 2, dadurch gekennzeichnet, daß der Füllung 0 bis 30 µmol Cs pro cm3 des Volumens des Entladungsgefäßes beigefügt ist.
- Metallhalogenidlampe nach Anspruch 2, dadurch gekennzeichnet, daß der Füllung 0 bis 35 µmol Dy pro cm3 des Volumens des Entladungsgefäßes beigefügt ist.
- Metallhalogenidlampe nach Anspruch 2, dadurch gekennzeichnet, daß der Füllung 0 bis 15 µmol Tl pro cm3 des Volumens des Entladungsgefäßes beigefügt ist.
- Metallhalogenidlampe nach Anspruch 2, dadurch gekennzeichnet, daß der Füllung 0 bis 18 µmol Ho pro cm3 des Volumens des Entladungsgefäßes beigefügt ist.
- Metallhalogenidlampe nach Anspruch 2, dadurch gekennzeichnet, daß der Füllung 0 bis 18 µmol Tm pro cm3 des Volumens des Entladungsgefäßes beigefügt ist.
- Metallhalogenidlampe nach Anspruch 1, dadurch gekennzeichnet, daß als Habgene zur Bildung von Halogeniden Jod und/oder Brom verwendet sind.
- Metallhabogenidlampe nach Anspruch 1, dadurch gekennzeichnet, daß die Füllung von einer UV-undurchlässigen Umhüllung (3), insbesondere einem Außenkolben, umgeben ist.
- Metallhalogenidlampe nach Anspruch 10, dadurch gekennzeichnet, daß das Volumen zwischen Entladungsgefäß (2) und Außenkolben (3) evakuiert ist.
- Metallhalogenidlampe nach Anspruch 10, dadurch gekennzeichnet, daß das Volumen zwischen Entladungsgefäß (2) und Außenkolben (3) eine Gasfüllung, insbesondere Inertgas, enthält.
- Metallhalogenidlampe nach Anspruch 12, dadurch gekennzeichnet, daß die Gasfüllung aus 10 bis 90 kPa N2 (kalt) besteht.
- Metallhalogenidlampe nach Anspruch 1, dadurch gekennzeichnet, daß die Gasfüllung aus 5 bis 70 kPa CO2 (kalt) besteht.
- Metallhalogenidlampe nach Anspruch 2, dadurch gekennzeichnet, daß der Anteil des Mn-Halogenids an der gesamten Metallhalogenid-Füllung mindestens 20 Gew.-% beträgt.
- Metallhalogenidlampe nach Anspruch 1, dadurch gekennzeichnet, daß zum Erzielen einer Farbtemperatur von über 8000 K als einziges Metallhalogenid ein Halogenid des Mn verwendet wird.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19907301 | 1999-02-22 | ||
| DE19907301A DE19907301A1 (de) | 1999-02-22 | 1999-02-22 | Metallhalogenidlampe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1032021A1 true EP1032021A1 (de) | 2000-08-30 |
| EP1032021B1 EP1032021B1 (de) | 2004-08-04 |
Family
ID=7898259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00100688A Expired - Lifetime EP1032021B1 (de) | 1999-02-22 | 2000-01-14 | Metallhalogenidlampe |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6400084B1 (de) |
| EP (1) | EP1032021B1 (de) |
| JP (1) | JP4499234B2 (de) |
| AT (1) | ATE272894T1 (de) |
| CA (1) | CA2298269A1 (de) |
| DE (2) | DE19907301A1 (de) |
| HU (1) | HU222455B1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2128888A3 (de) * | 2008-03-11 | 2010-06-30 | Blv Licht- Und Vakuumtechnik Gmbh | Quecksilberfreie Metallhalogenid-Hochdruckentladungslampe |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6731068B2 (en) * | 2001-12-03 | 2004-05-04 | General Electric Company | Ceramic metal halide lamp |
| DE10214631A1 (de) | 2002-04-02 | 2003-10-16 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Metallhalogenidfüllung und zugehörige Lampe |
| EP1728265B1 (de) * | 2004-03-08 | 2008-08-27 | Koninklijke Philips Electronics N.V. | Metallhalogenidlampe |
| CN101375368B (zh) * | 2006-01-25 | 2010-11-03 | 皇家飞利浦电子股份有限公司 | Tld低压气体放电灯 |
| DE102006025947A1 (de) | 2006-06-02 | 2007-12-06 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Metallhalogenidfüllung für eine elektrische Hochdruckentladungslampe und zugehörige Lampe |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2925410A1 (de) * | 1979-06-23 | 1981-01-08 | Hartmann & Braun Ag | Niederdruck-hohlkathodenlampe mit einer stickstoff-sauerstoff-fuellung |
| GB2059146A (en) * | 1979-09-12 | 1981-04-15 | Narva Veb | Electric discharge lamp |
| JPH01128345A (ja) * | 1987-11-12 | 1989-05-22 | Toshiba Corp | メタルハライドランプ |
| EP0543169A1 (de) * | 1991-11-21 | 1993-05-26 | Ushiodenki Kabushiki Kaisha | Metalldampfentladungslampe |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52120586A (en) * | 1976-04-01 | 1977-10-11 | Toshiba Corp | Metallic vapor discharge lamp |
| US4678960A (en) * | 1985-08-01 | 1987-07-07 | General Electric Company | Metallic halide electric discharge lamps |
| US4859899A (en) * | 1987-05-07 | 1989-08-22 | Gte Products Corporation | Metal-halide lamp having heat redistribution means |
| AU686347B2 (en) * | 1994-04-13 | 1998-02-05 | Koninklijke Philips Electronics N.V. | Metal halide lamp |
| JPH09171797A (ja) * | 1995-12-19 | 1997-06-30 | Matsushita Electron Corp | メタルハライドランプ及びそれを用いた照明光学装置並びに画像表示装置 |
-
1999
- 1999-02-22 DE DE19907301A patent/DE19907301A1/de not_active Withdrawn
-
2000
- 2000-01-14 EP EP00100688A patent/EP1032021B1/de not_active Expired - Lifetime
- 2000-01-14 AT AT00100688T patent/ATE272894T1/de not_active IP Right Cessation
- 2000-01-14 DE DE50007238T patent/DE50007238D1/de not_active Expired - Lifetime
- 2000-02-04 US US09/499,099 patent/US6400084B1/en not_active Expired - Fee Related
- 2000-02-08 CA CA002298269A patent/CA2298269A1/en not_active Abandoned
- 2000-02-21 HU HU0000753A patent/HU222455B1/hu not_active IP Right Cessation
- 2000-02-22 JP JP2000044108A patent/JP4499234B2/ja not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2925410A1 (de) * | 1979-06-23 | 1981-01-08 | Hartmann & Braun Ag | Niederdruck-hohlkathodenlampe mit einer stickstoff-sauerstoff-fuellung |
| GB2059146A (en) * | 1979-09-12 | 1981-04-15 | Narva Veb | Electric discharge lamp |
| JPH01128345A (ja) * | 1987-11-12 | 1989-05-22 | Toshiba Corp | メタルハライドランプ |
| EP0543169A1 (de) * | 1991-11-21 | 1993-05-26 | Ushiodenki Kabushiki Kaisha | Metalldampfentladungslampe |
Non-Patent Citations (1)
| Title |
|---|
| PATENT ABSTRACTS OF JAPAN vol. 013, no. 374 (E - 808) 18 August 1989 (1989-08-18) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2128888A3 (de) * | 2008-03-11 | 2010-06-30 | Blv Licht- Und Vakuumtechnik Gmbh | Quecksilberfreie Metallhalogenid-Hochdruckentladungslampe |
Also Published As
| Publication number | Publication date |
|---|---|
| HUP0000753A2 (hu) | 2000-09-28 |
| JP4499234B2 (ja) | 2010-07-07 |
| ATE272894T1 (de) | 2004-08-15 |
| DE50007238D1 (de) | 2004-09-09 |
| JP2000243350A (ja) | 2000-09-08 |
| DE19907301A1 (de) | 2000-08-24 |
| HUP0000753A3 (en) | 2002-11-28 |
| US6400084B1 (en) | 2002-06-04 |
| HU0000753D0 (en) | 2000-04-28 |
| HU222455B1 (hu) | 2003-07-28 |
| CA2298269A1 (en) | 2000-08-22 |
| EP1032021B1 (de) | 2004-08-04 |
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| 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 |
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