EP2450460B1 - Weißgoldlegierung ohne Nickel und Kupfer - Google Patents
Weißgoldlegierung ohne Nickel und Kupfer Download PDFInfo
- Publication number
- EP2450460B1 EP2450460B1 EP11009183.2A EP11009183A EP2450460B1 EP 2450460 B1 EP2450460 B1 EP 2450460B1 EP 11009183 A EP11009183 A EP 11009183A EP 2450460 B1 EP2450460 B1 EP 2450460B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gold alloy
- alloy
- optionally
- gray gold
- alloys
- 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.)
- Active
Links
- 239000003353 gold alloy Substances 0.000 title claims description 22
- 239000010949 copper Substances 0.000 title description 18
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title description 9
- 229910052802 copper Inorganic materials 0.000 title description 9
- 229910052759 nickel Inorganic materials 0.000 title description 3
- 229910000631 grey gold Inorganic materials 0.000 title 1
- 229910045601 alloy Inorganic materials 0.000 claims description 40
- 239000000956 alloy Substances 0.000 claims description 40
- 229910001020 Au alloy Inorganic materials 0.000 claims description 21
- 239000010931 gold Substances 0.000 claims description 16
- 238000000137 annealing Methods 0.000 claims description 14
- 229910052707 ruthenium Inorganic materials 0.000 claims description 10
- 229910052741 iridium Inorganic materials 0.000 claims description 9
- 229910052702 rhenium Inorganic materials 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 229910052697 platinum Inorganic materials 0.000 claims description 7
- 229910052733 gallium Inorganic materials 0.000 claims description 6
- 229910052735 hafnium Inorganic materials 0.000 claims description 6
- 229910052748 manganese Inorganic materials 0.000 claims description 6
- 229910052715 tantalum Inorganic materials 0.000 claims description 6
- 229910052720 vanadium Inorganic materials 0.000 claims description 6
- 229910052725 zinc Inorganic materials 0.000 claims description 6
- 229910052726 zirconium Inorganic materials 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000005097 cold rolling Methods 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 48
- 229910052737 gold Inorganic materials 0.000 description 8
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 6
- 238000005266 casting Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 229910052763 palladium Inorganic materials 0.000 description 4
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 description 4
- 239000010938 white gold Substances 0.000 description 4
- 229910000832 white gold Inorganic materials 0.000 description 4
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 229910052758 niobium Inorganic materials 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910002677 Pd–Sn Inorganic materials 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000001856 Ethyl cellulose Substances 0.000 description 1
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910001252 Pd alloy Inorganic materials 0.000 description 1
- 230000002009 allergenic effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920001249 ethyl cellulose Polymers 0.000 description 1
- 229960004667 ethyl cellulose Drugs 0.000 description 1
- 235000019325 ethyl cellulose Nutrition 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229910002059 quaternary alloy Inorganic materials 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical group [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229910002058 ternary alloy Inorganic materials 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C5/00—Alloys based on noble metals
- C22C5/02—Alloys based on gold
-
- 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
- C22F1/14—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of noble metals or alloys based thereon
Definitions
- the present invention relates to a nickel-free and copper-free gray gold alloy having a hardness particularly suitable for watchmakers, jewelers and jewelers.
- the invention also relates to a process for preparing this alloy.
- gray gold alloys There are two main types of gray gold alloys on the market, nickel alloys and palladium alloys, in which both are used as whiteners.
- Nickel with its allergenic potential tends to be abandoned.
- its alloys exhibit reduced hardness and deformability that lend themselves poorly to the fields of jewelery and watchmaking.
- the increase in the copper concentration is to the detriment of other elements having whitening effects.
- the Japanese patent application published under the number JP-A-8-003662 discloses white gold alloys of the Au-Pd-In, Au-Pd-Sn or Au-Pd-Bi types. These alloys are intended for the preparation of metal clays, that is to say of clays of precious metals.
- Metal clays are indeed generally defined as being a raw material for the manufacture of jewelery or works of art and comprising a very fine powder of precious metals, an organic binder and water. After forming, they are dried and burned to remove the organic binder, so that only the sintered metals remain.
- This Japanese patent application therefore relates to a white gold alloy powder of Au-Pd-In, Au-Pd-Sn or Au-Pd-Bi type to have excellent sinterability. Concretely, by mixing this powder with water, a binder (plasticizer: di-n-butyl phthalate) and a surfactant (ethyl-cellulose), one should obtain a metal clay with a high degree of sintering.
- the patent DE 3132143 A discloses gold alloys containing Pd, Pt and Nb 2
- a gold alloy In order not to require rhodium-plating, a gold alloy must guarantee, according to ASTM Method D1925, a YI value: D1925 ⁇ 19 (YI: "yellowness index”), regarded as "good white” or "premium” and included in the Grade 1 category (see also http://www.utilisegold.com/jewellery technology / colors / whit e guide and Proceedings of Santa Fe Symposium 2005, pp. 103-120 ).
- the colors of the gold alloys are defined in the tri-chromatic space according to the ISO 8654.
- a YI ⁇ 19 value corresponds in first approximation to [-2 ⁇ a ⁇ 2; b ⁇ 10].
- the object of the present invention is to provide a nickel-free and copper-free gray gold alloy having satisfactory mechanical properties as well as a high whiteness (Grade 1) while not requiring rhodium-plating.
- Elements such as Si and Ti are known to those skilled in the art to improve, when added in small amounts, the surface condition and brightness and reduce the risk of corrosion, without substantially modifying the hardness or affect the colour.
- Elements such as Ir, Re or Ru are known to improve the metallurgical properties, in particular to guarantee the fineness of the grain and to avoid the porosities, without appreciably modifying the hardness or affecting the color.
- Table I groups together 18-carat white gold alloys of the state of the art that are commercially available.
- this table gives indications relating to the Vickers HV hardness index of the alloy in the cast state (HV cast), hardened to 75% (HV 75%) and annealed ( HV annealing), as well as to the color measured in the CIELab system.
- alloy No. 6 has a hardly satisfactory HV value, although it contains copper.
- Alloy No. 9 which is composed only of gold and palladium and is therefore free of copper, has a very low annealed HV value.
- Table II below includes gray gold alloys according to the invention which are ternary. TABLE II (*) Ternary 18-carat gold (% by weight) The at B HV casting HV 75% HV annealing 10 At 75.1 Pd 21.0 In 3.9 78.79 1.49 5.68 80 175 115 11 At 75.1 Pd 22.0 V 2.9 81.04 1.33 5.36 115 195 127 12 At 75.1 Pd 20.0 V 4.9 82.15 1.10 5.03 125 230 157 13 At 75.1 Pd 21.0 Ta 3.9 80.15 1.35 5, 14 135 213 164 14 At 75.1 Pd 23.0 V 1.9 79.34 1.38 5.05 90 182 112 15 At 75.1 Pd 22.0 Sn 2.9 79.54 1.37 5.14 128 202 118 16 At 75.1 Pd 22.0 Zn 2.9 79.36 1.37 4.84 80 156 108 17 At 75.1 Pd 23.5 Zr 1.4 80.06 1.30 4.73 87 179 119 18 At
- Each of the ternary alloys according to the invention thus has satisfactory values L, a, b and HV annealing.
- Quaternary alloys Nos. 33 and 34 and Quaternary No. 36 all have satisfactory L, a, b and HV annealing values.
- the grain index is established according to ASTM E 112. TABLE IV Grain refiner Concentration grain index (Ppm) (ASTM E 112) 39 Iridium 500 2 40 Iridium 1000 3 41 Ruthenium 500 4 42 Ruthenium 1000 7 43 Rhenium 20 5 44 Rhenium 50 6
- the alloys 39 and 40 show a grain structure in columns oriented in the direction of solidification.
- the other alloys exhibit an equiaxed microstructure.
- Ruthenium has the most pronounced grain refining effect, however, there are many inclusions that can penalize polishing.
- Rhenium shows a capacity of refinement of the grain without formation of inclusions. The addition of rhenium at 20 to 60 ppm therefore gives excellent polishing ability.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Adornments (AREA)
Claims (13)
- Weißgoldlegierung ohne Nickel und ohne Kupfer, gebildet aus (in Massenanteilen)- mehr als 75% Au,- mehr als 18% bis weniger als 24% Pd,- mehr als 1 % und weniger als 6% Nb,- gegebenenfalls von mehr als 1 % bis weniger als 6% wenigstens eines aus Mn, Hf, Pt, Ta, V, Zn und Zr ausgewählten Elementes,- gegebenenfalls höchstens 0,5% wenigstens eines aus Si, Ga und Ti ausgewählten Elementes und- gegebenenfalls höchstens 0,2% wenigstens eines aus Ru, Ir und Re ausgewählten Elementes.
- Weißgoldlegierung nach Anspruch 1 gebildet aus (in Massenanteilen)- mehr als 75% Au,- von 19% bis 23,5% Pd,- von 1,4% bis 5,9% Nb,- gegebenenfalls von 1,4% bis 5,9% wenigstens eines aus Mn, Hf, Pt, Ta, V, Zn und Zr ausgewählten Elementes,- gegebenenfalls höchstens 0,5% wenigstens eines aus Si, Ga und Ti ausgewählten Elementes und- gegebenenfalls höchstens 0,1% wenigstens eines aus Ru, Ir und Re ausgewählten Elementes.
- Weißgoldlegierung nach Anspruch 1 oder 2 mit wenigstens 20% Pd.
- Weißgoldlegierung nach einem der Ansprüche 1 bis 3 mit wenigstens 1,5% Zr oder Nb.
- Weißgoldlegierung nach einem der Ansprüche 1 bis 4 mit 0,002% bis 0,006% (20 bis 60 ppm) Re.
- Weißgoldlegierung nach einem der Ansprüche 1 bis 5 mit etwa 75,1 % Au.
- Verfahren zum Herstellen einer Weißgoldlegierung nach einem der Ansprüche 1 bis 6, bei dem- die Bestandteile der Weißgoldlegierung in einen Schmelztiegel eingebracht werden,- der Schmelztiegel bis zum Verflüssigen der Bestandteile erhitzt wird,- die geschmolzene Legierung abgekühlt wird,- sie sich verfestigen gelassen wird,- sie einer Wasserabschreckung unterworfen wird,- sie wenigstens einem Kaltwalzen unterworfen wird und- sie unter Reduzieren der Atmosphäre getempert wird.
- Verfahren nach Anspruch 7, bei dem das Erhitzen durch Induktion in einem dichten Ofen unter Edelgaspartialdruck erfolgt.
- Verfahren nach Anspruch 8, bei dem das Edelgas Ar ist.
- Verfahren nach einem der Ansprüche 7 bis 9, bei dem das Tempern unter einer aus einer Mischung von N2 und H2 gebildeten reduzierenden Atmosphäre durchgeführt wird.
- Verfahren nach Anspruch 10, bei dem die Mischung aus N2 und H2 durch etwa 80% N2 und 20% H2 gebildet ist.
- Verfahren nach einem der Ansprüche 7 bis 11, bei dem das Tempern über etwa 30 Minuten durchgeführt wird.
- Verfahren nach einem der Ansprüche 7 bis 12, bei dem das Tempern bei etwa 850°C durchgeführt wird.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP11009183.2A EP2450460B1 (de) | 2009-05-06 | 2010-04-15 | Weißgoldlegierung ohne Nickel und Kupfer |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP09405077A EP2251444A1 (de) | 2009-05-06 | 2009-05-06 | Graugoldlegierung ohne Nickel und Kupfer |
| EP10716257.0A EP2427582B1 (de) | 2009-05-06 | 2010-04-15 | Graugoldlegierung ohne nickel und ohne kupfer |
| EP11009183.2A EP2450460B1 (de) | 2009-05-06 | 2010-04-15 | Weißgoldlegierung ohne Nickel und Kupfer |
Related Parent Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10716257.0A Division-Into EP2427582B1 (de) | 2009-05-06 | 2010-04-15 | Graugoldlegierung ohne nickel und ohne kupfer |
| EP10716257.0 Division | 2010-04-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2450460A1 EP2450460A1 (de) | 2012-05-09 |
| EP2450460B1 true EP2450460B1 (de) | 2013-09-25 |
Family
ID=41127638
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP09405077A Withdrawn EP2251444A1 (de) | 2009-05-06 | 2009-05-06 | Graugoldlegierung ohne Nickel und Kupfer |
| EP11009183.2A Active EP2450460B1 (de) | 2009-05-06 | 2010-04-15 | Weißgoldlegierung ohne Nickel und Kupfer |
| EP11009184.0A Active EP2450461B1 (de) | 2009-05-06 | 2010-04-15 | Weißgoldlegierung ohne Nickel und Kupfer |
| EP10716257.0A Active EP2427582B1 (de) | 2009-05-06 | 2010-04-15 | Graugoldlegierung ohne nickel und ohne kupfer |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP09405077A Withdrawn EP2251444A1 (de) | 2009-05-06 | 2009-05-06 | Graugoldlegierung ohne Nickel und Kupfer |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP11009184.0A Active EP2450461B1 (de) | 2009-05-06 | 2010-04-15 | Weißgoldlegierung ohne Nickel und Kupfer |
| EP10716257.0A Active EP2427582B1 (de) | 2009-05-06 | 2010-04-15 | Graugoldlegierung ohne nickel und ohne kupfer |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9650697B2 (de) |
| EP (4) | EP2251444A1 (de) |
| JP (1) | JP5793136B2 (de) |
| CN (1) | CN102549179B (de) |
| CH (1) | CH703415B1 (de) |
| WO (1) | WO2010127458A1 (de) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104884650B (zh) * | 2012-11-08 | 2017-09-05 | 贺利氏有限公司 | 具有低镍释放速率的含镍金合金、用于获得所述含镍金合金的中间合金以及其中金属元素的用途 |
| CN105008561B (zh) | 2012-12-03 | 2018-07-03 | Argor-Heraeus股份有限公司 | 抗褪色的金合金 |
| EP2954080B1 (de) * | 2013-02-06 | 2017-03-15 | Rolex Sa | Roségold-legierung für uhr |
| EP3020835B1 (de) | 2014-11-17 | 2021-04-21 | Omega SA | Uhr, Schmuckstück oder edler Schmuck, umfassend eine Komponente aus einer Legierung auf Palladiumbasis |
| EP3070182B1 (de) * | 2015-03-17 | 2017-08-30 | The Swatch Group Research and Development Ltd. | Weissgoldlegierung |
| FR3034106B1 (fr) | 2015-03-23 | 2022-07-22 | Centre Nat Rech Scient | Alliage monophasique d'or et de tungstene |
| EP3315620B1 (de) * | 2016-10-25 | 2020-06-24 | Nivarox-FAR S.A. | Nichtmagnetische hochwertige legierung für anwendungen in uhren |
| EP3339455B1 (de) * | 2016-12-20 | 2020-02-05 | Montres Breguet S.A. | Weissgoldlegierung |
| EP3571325A4 (de) * | 2017-03-27 | 2020-11-18 | Pethe, Subodh | Hartgold-legierung mit zirkonium, titan und magnesium zur herstellung von schmuck |
| CH715203B1 (fr) | 2018-07-26 | 2022-03-15 | Px Services Sa | Alliage à base d'or présentant un changement de couleur et son utilisation dans le domaine de la joaillerie et de l'horlogerie. |
| CN109136625A (zh) * | 2018-09-14 | 2019-01-04 | 深圳市品越珠宝有限公司 | 一种高硬度合金及其制备方法 |
| CN110629062A (zh) * | 2019-05-16 | 2019-12-31 | 杭州辰卓科技有限公司 | 一种具有斯斑效应20k耐腐蚀耐脆断金合金及其工艺 |
| JP6789528B1 (ja) * | 2019-09-26 | 2020-11-25 | 田中貴金属工業株式会社 | 医療用Ａｕ−Ｐｔ−Ｐｄ合金 |
| EP3808865B1 (de) | 2019-10-17 | 2023-01-18 | Richemont International S.A. | Weissgoldlegierung und ihr herstellungsverfahren |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1110045A (en) * | 1964-03-04 | 1968-04-18 | Zh Denki Jiki Zairyo Kenkyusho | A method of manufacturing non-magnetic, elastic metallic materials |
| US3716356A (en) * | 1970-09-23 | 1973-02-13 | Ney Co J M | Rhenium containing gold alloys |
| DE2136373B2 (de) * | 1971-07-21 | 1972-11-30 | W.C. Heraeus Gmbh, 6450 Hanau | Verwendung einer goldlegierung als werkstoff fuer elektrische widerstaende |
| DE3132143C2 (de) * | 1981-08-14 | 1985-07-04 | Degussa Ag, 6000 Frankfurt | Edelmetallegierung zur Herstellung von mit keramischen Massen verblendbaren Kronen und Brücken |
| DE3211703C2 (de) * | 1982-03-30 | 1984-01-12 | C. Hafner GmbH + Co., 7530 Pforzheim | Verwendung goldarmer Edelmetallegierungen für Dentalzwecke |
| DE3711207A1 (de) * | 1987-04-02 | 1988-10-20 | Kerstin Koerber | Gebrauchsfertige kaeppchen zur zahnstumpfrestauration |
| JP2611319B2 (ja) * | 1988-03-28 | 1997-05-21 | 三菱マテリアル株式会社 | 人工ダイヤモンドコート装飾品用金合金 |
| JP2922228B2 (ja) * | 1989-10-16 | 1999-07-19 | 株式会社徳力本店 | 装飾用白色金合金 |
| JPH0474836A (ja) * | 1990-07-13 | 1992-03-10 | Pilot Corp:The | 金合金細線およびその製造方法 |
| JP3130334B2 (ja) | 1991-07-18 | 2001-01-31 | シャープ株式会社 | 耐光性着色薄膜用樹脂組成物 |
| CH684616B5 (fr) | 1992-08-17 | 1995-05-15 | Metaux Precieux Sa | Alliage d'or gris et utilisation de cet alliage. |
| JPH083663A (ja) * | 1994-06-20 | 1996-01-09 | Mitsubishi Materials Corp | 焼結性に優れたＡｕ−Ｐｄ−Ａｇ系白色金合金粉末 |
| JPH083662A (ja) * | 1994-06-20 | 1996-01-09 | Mitsubishi Materials Corp | 焼結性に優れたＡｕ−Ｐｄ系白色金合金粉末 |
| DE19525361A1 (de) * | 1995-02-16 | 1996-08-22 | Herbst Bremer Goldschlaegerei | Edelmetall-Legierung und Verwendung derselben |
| US5919320A (en) * | 1997-11-17 | 1999-07-06 | Leach & Garner Company | Nickel-free white gold alloy with reversible hardness characteristics |
| EP1245688B1 (de) | 1998-12-14 | 2004-05-12 | Metalor Technologies International SA | Graue Goldlegierung, ohne Nickel |
| JP2000336439A (ja) * | 1999-05-27 | 2000-12-05 | Mizuho Kogei:Kk | 白色系金合金 |
| US6156266A (en) * | 2000-01-07 | 2000-12-05 | Argen Corporation | Gold alloy for firing on porcelain |
| JP2001207226A (ja) * | 2000-01-25 | 2001-07-31 | Kyocera Corp | １８金合金 |
| DE60141941D1 (de) | 2001-01-26 | 2010-06-10 | Metalor Technologies Int | Graue Goldlegierung |
| EP1447456A1 (de) * | 2003-02-11 | 2004-08-18 | Metalor Technologies International SA | Dotierte Goldlegierung |
| JP3139334U (ja) | 2007-10-31 | 2008-02-14 | 有限会社味 路 | 餃子形パイ菓子 |
-
2009
- 2009-05-06 EP EP09405077A patent/EP2251444A1/de not_active Withdrawn
-
2010
- 2010-04-15 CN CN201080019776.8A patent/CN102549179B/zh not_active Expired - Fee Related
- 2010-04-15 JP JP2012508867A patent/JP5793136B2/ja not_active Expired - Fee Related
- 2010-04-15 CH CH01771/11A patent/CH703415B1/fr unknown
- 2010-04-15 EP EP11009183.2A patent/EP2450460B1/de active Active
- 2010-04-15 US US13/265,655 patent/US9650697B2/en active Active
- 2010-04-15 WO PCT/CH2010/000101 patent/WO2010127458A1/fr active Application Filing
- 2010-04-15 EP EP11009184.0A patent/EP2450461B1/de active Active
- 2010-04-15 EP EP10716257.0A patent/EP2427582B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US20120114522A1 (en) | 2012-05-10 |
| EP2427582B1 (de) | 2014-03-12 |
| CH703415B1 (fr) | 2014-03-14 |
| EP2450461B1 (de) | 2014-10-29 |
| US9650697B2 (en) | 2017-05-16 |
| WO2010127458A8 (fr) | 2011-04-14 |
| EP2450461A1 (de) | 2012-05-09 |
| JP5793136B2 (ja) | 2015-10-14 |
| EP2427582A1 (de) | 2012-03-14 |
| WO2010127458A1 (fr) | 2010-11-11 |
| CN102549179B (zh) | 2016-03-30 |
| EP2251444A1 (de) | 2010-11-17 |
| EP2450460A1 (de) | 2012-05-09 |
| JP2012526192A (ja) | 2012-10-25 |
| CN102549179A (zh) | 2012-07-04 |
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