RU2089350C1 - Способ получения танталового порошка - Google Patents
Способ получения танталового порошка Download PDFInfo
- Publication number
- RU2089350C1 RU2089350C1 RU9192016492A RU92016492A RU2089350C1 RU 2089350 C1 RU2089350 C1 RU 2089350C1 RU 9192016492 A RU9192016492 A RU 9192016492A RU 92016492 A RU92016492 A RU 92016492A RU 2089350 C1 RU2089350 C1 RU 2089350C1
- Authority
- RU
- Russia
- Prior art keywords
- reactor
- tantalum
- powder
- tantalum powder
- sodium
- Prior art date
Links
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title abstract description 25
- 150000003482 tantalum compounds Chemical class 0.000 claims abstract description 25
- 239000004480 active ingredient Substances 0.000 claims abstract description 23
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 20
- 239000000126 substance Substances 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 claims abstract description 9
- 230000009467 reduction Effects 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000011734 sodium Substances 0.000 claims description 38
- 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 claims description 37
- 229910052708 sodium Inorganic materials 0.000 claims description 35
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 13
- 239000011591 potassium Substances 0.000 claims description 13
- 229910052700 potassium Inorganic materials 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 10
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 3
- OEIMLTQPLAGXMX-UHFFFAOYSA-I tantalum(v) chloride Chemical compound Cl[Ta](Cl)(Cl)(Cl)Cl OEIMLTQPLAGXMX-UHFFFAOYSA-I 0.000 claims description 3
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 abstract description 29
- 229910052715 tantalum Inorganic materials 0.000 abstract description 21
- 150000001875 compounds Chemical class 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 description 34
- 239000000843 powder Substances 0.000 description 33
- 239000003085 diluting agent Substances 0.000 description 23
- 229910052751 metal Inorganic materials 0.000 description 22
- 239000002184 metal Substances 0.000 description 22
- 239000002245 particle Substances 0.000 description 22
- 239000012535 impurity Substances 0.000 description 21
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 21
- 238000007792 addition Methods 0.000 description 20
- 150000003839 salts Chemical class 0.000 description 19
- 238000006722 reduction reaction Methods 0.000 description 13
- 239000007788 liquid Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 11
- 229910052759 nickel Inorganic materials 0.000 description 11
- 239000000047 product Substances 0.000 description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- 239000010408 film Substances 0.000 description 8
- 229910044991 metal oxide Inorganic materials 0.000 description 8
- 150000004706 metal oxides Chemical class 0.000 description 8
- 239000000654 additive Substances 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- -1 NaCl in K 2 TaF 7 Chemical class 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 4
- 238000010790 dilution Methods 0.000 description 4
- 239000012895 dilution Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 150000003609 titanium compounds Chemical class 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 238000010306 acid treatment Methods 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000001627 detrimental effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 238000010297 mechanical methods and process Methods 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229940091252 sodium supplement Drugs 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 150000003481 tantalum Chemical class 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 101100425947 Mus musculus Tnfrsf13b gene Proteins 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- FVIZARNDLVOMSU-UHFFFAOYSA-N ginsenoside K Natural products C1CC(C2(CCC3C(C)(C)C(O)CCC3(C)C2CC2O)C)(C)C2C1C(C)(CCC=C(C)C)OC1OC(CO)C(O)C(O)C1O FVIZARNDLVOMSU-UHFFFAOYSA-N 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010951 particle size reduction Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910001414 potassium ion Inorganic materials 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 1
- 239000011833 salt mixture Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
- H01G9/052—Sintered electrodes
- H01G9/0525—Powder therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B34/00—Obtaining refractory metals
- C22B34/20—Obtaining niobium, tantalum or vanadium
- C22B34/24—Obtaining niobium or tantalum
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US52536490A | 1990-05-17 | 1990-05-17 | |
| PCT/US1991/003499 WO1991018121A1 (en) | 1990-05-17 | 1991-05-17 | Method of producing high surface area low metal impurity tantalum powder |
| US525364 | 1995-09-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU92016492A RU92016492A (ru) | 1995-09-20 |
| RU2089350C1 true RU2089350C1 (ru) | 1997-09-10 |
Family
ID=24092940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU9192016492A RU2089350C1 (ru) | 1990-05-17 | 1991-05-17 | Способ получения танталового порошка |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0528974B1 (enExample) |
| AU (1) | AU7979391A (enExample) |
| DE (1) | DE69126973T2 (enExample) |
| HK (1) | HK1001346A1 (enExample) |
| RU (1) | RU2089350C1 (enExample) |
| WO (1) | WO1991018121A1 (enExample) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2164194C2 (ru) * | 1999-05-11 | 2001-03-20 | Институт химии и технологии редких элементов и минерального сырья им. И.В. Тананаева Кольского научного центра РАН | Способ получения порошка вентильного металла |
| RU2219269C1 (ru) * | 2002-05-20 | 2003-12-20 | Федеральное государственное унитарное предприятие Государственный научно-исследовательский и проектный институт редкометаллической промышленности "Гиредмет" | Способ получения металлического тантала |
| RU2349423C2 (ru) * | 2004-10-06 | 2009-03-20 | Акционерное общество "Ульбинский металлургический завод" | Способ получения волокнистого порошка тантала и волокнистый порошок тантала |
| RU2465097C1 (ru) * | 2011-05-04 | 2012-10-27 | Федеральное государственное бюджетное учреждение науки Институт химии и технологии редких элементов и минерального сырья им. И.В. Тананаева Кольского научного центра Российской академии наук (ИХТРЭМС КНЦ РАН) | Способ получения порошка тантала |
| RU2509181C2 (ru) * | 2011-04-12 | 2014-03-10 | Общество с ограниченной ответственностью "НЕЛАН-ОКСИД ПЛЮС" | Способ формирования пористого оксида на сплаве титан-алюминий |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2146721C1 (ru) * | 1998-04-14 | 2000-03-20 | Черных Виталий Петрович | Способ получения тантала и ниобия из их соединений |
| RU2137857C1 (ru) * | 1998-04-28 | 1999-09-20 | Открытое акционерное общество "Чепецкий механический завод" | Способ получения чистого ниобия |
| JP4049964B2 (ja) * | 2000-02-08 | 2008-02-20 | キャボットスーパーメタル株式会社 | 窒素含有金属粉末およびその製造方法ならびにそれを用いた多孔質焼結体および固体電解コンデンサー |
| CN1169643C (zh) * | 2001-09-29 | 2004-10-06 | 宁夏东方钽业股份有限公司 | 高比表面积钽粉和/或铌粉的制备方法 |
| US20080011124A1 (en) * | 2004-09-08 | 2008-01-17 | H.C. Starck Gmbh & Co. Kg | Deoxidation of Valve Metal Powders |
| DE102009036298A1 (de) * | 2009-08-06 | 2011-02-17 | W.C. Heraeus Gmbh | Verwendung von pulvermetallurgischem Vormaterial zur Herstellung einer Legierung |
| DE102009056504B4 (de) | 2009-12-02 | 2015-05-28 | Heraeus Precious Metals Gmbh & Co. Kg | Verfahren zur Herstellung einer einschlussfreien Nb-Legierung aus pulvermetallurgischem Vormaterial für eine implantierbare medizinische Vorrichtung |
| DE102010018303B4 (de) | 2010-04-23 | 2015-02-12 | Heraeus Precious Metals Gmbh & Co. Kg | Schmelzverfahren zur Herstellung einer einschlussfreien Ta-Basislegierung für eine implantierbare medizinische Vorrichtung |
| CN102990076B (zh) * | 2012-12-18 | 2015-02-25 | 宁夏东方钽业股份有限公司 | 金属钠还原氟钽酸钾生产钽粉的搅拌水洗方法及装置 |
| IL320369A (en) | 2018-03-05 | 2025-06-01 | Global Advanced Metals Usa Inc | Spherical tantalum powder, products containing the same, and methods of making the same |
| EP3746239A2 (en) | 2018-03-05 | 2020-12-09 | Global Advanced Metals USA, Inc. | Powder metallurgy sputtering targets and methods of producing same |
| IL277123B2 (en) | 2018-03-05 | 2025-07-01 | Global Advanced Metals Usa Inc | Anodes containing spherical powder and capacitors |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2517180C3 (de) * | 1975-04-18 | 1979-04-19 | Fa. Hermann C. Starck Berlin, 1000 Berlin | Verfahren zur kontinuierlichen Herstellung von feinem hochkapazitiven Erdsäuremetallpulver für Elektrolytkondensatoren |
| US4032328A (en) * | 1975-10-23 | 1977-06-28 | University Of Minnesota, Inc. | Metal reduction process |
| US4149876A (en) * | 1978-06-06 | 1979-04-17 | Fansteel Inc. | Process for producing tantalum and columbium powder |
| US4684399A (en) * | 1986-03-04 | 1987-08-04 | Cabot Corporation | Tantalum powder process |
| US4940490A (en) * | 1987-11-30 | 1990-07-10 | Cabot Corporation | Tantalum powder |
| US4897116A (en) * | 1988-05-25 | 1990-01-30 | Teledyne Industries, Inc. | High purity Zr and Hf metals and their manufacture |
| JPH04329808A (ja) * | 1991-04-30 | 1992-11-18 | Showa Kiyabotsuto Suupaa Metal Kk | タンタル粉末の製造方法 |
-
1991
- 1991-05-17 RU RU9192016492A patent/RU2089350C1/ru not_active IP Right Cessation
- 1991-05-17 HK HK98100345A patent/HK1001346A1/en not_active IP Right Cessation
- 1991-05-17 EP EP91910605A patent/EP0528974B1/en not_active Expired - Lifetime
- 1991-05-17 DE DE69126973T patent/DE69126973T2/de not_active Expired - Lifetime
- 1991-05-17 WO PCT/US1991/003499 patent/WO1991018121A1/en not_active Ceased
- 1991-05-17 AU AU79793/91A patent/AU7979391A/en not_active Abandoned
Non-Patent Citations (1)
| Title |
|---|
| US, патент N 4684399, кл. C 22 B 34/20, 1987. * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2164194C2 (ru) * | 1999-05-11 | 2001-03-20 | Институт химии и технологии редких элементов и минерального сырья им. И.В. Тананаева Кольского научного центра РАН | Способ получения порошка вентильного металла |
| RU2219269C1 (ru) * | 2002-05-20 | 2003-12-20 | Федеральное государственное унитарное предприятие Государственный научно-исследовательский и проектный институт редкометаллической промышленности "Гиредмет" | Способ получения металлического тантала |
| RU2349423C2 (ru) * | 2004-10-06 | 2009-03-20 | Акционерное общество "Ульбинский металлургический завод" | Способ получения волокнистого порошка тантала и волокнистый порошок тантала |
| RU2509181C2 (ru) * | 2011-04-12 | 2014-03-10 | Общество с ограниченной ответственностью "НЕЛАН-ОКСИД ПЛЮС" | Способ формирования пористого оксида на сплаве титан-алюминий |
| RU2465097C1 (ru) * | 2011-05-04 | 2012-10-27 | Федеральное государственное бюджетное учреждение науки Институт химии и технологии редких элементов и минерального сырья им. И.В. Тананаева Кольского научного центра Российской академии наук (ИХТРЭМС КНЦ РАН) | Способ получения порошка тантала |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1991018121A1 (en) | 1991-11-28 |
| DE69126973T2 (de) | 1998-02-12 |
| AU7979391A (en) | 1991-12-10 |
| DE69126973D1 (de) | 1997-09-04 |
| EP0528974A4 (enExample) | 1994-02-09 |
| EP0528974B1 (en) | 1997-07-23 |
| HK1001346A1 (en) | 1998-06-12 |
| EP0528974A1 (en) | 1993-03-03 |
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