SE438667B - Forfarande for framstellning av kisel - Google Patents
Forfarande for framstellning av kiselInfo
- Publication number
- SE438667B SE438667B SE7907715A SE7907715A SE438667B SE 438667 B SE438667 B SE 438667B SE 7907715 A SE7907715 A SE 7907715A SE 7907715 A SE7907715 A SE 7907715A SE 438667 B SE438667 B SE 438667B
- Authority
- SE
- Sweden
- Prior art keywords
- silicon
- carbon
- weight
- silica
- sugar
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 32
- 229920001296 polysiloxane Polymers 0.000 title 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 128
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 111
- 229910052710 silicon Inorganic materials 0.000 claims description 71
- 239000010703 silicon Substances 0.000 claims description 71
- 239000000377 silicon dioxide Substances 0.000 claims description 54
- 229910052799 carbon Inorganic materials 0.000 claims description 48
- 235000000346 sugar Nutrition 0.000 claims description 42
- 239000003638 chemical reducing agent Substances 0.000 claims description 34
- 239000006229 carbon black Substances 0.000 claims description 33
- 229910052698 phosphorus Inorganic materials 0.000 claims description 32
- 229910052796 boron Inorganic materials 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 22
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 20
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 20
- 239000011574 phosphorus Substances 0.000 claims description 20
- 229920002472 Starch Polymers 0.000 claims description 16
- 239000008107 starch Substances 0.000 claims description 16
- 235000019698 starch Nutrition 0.000 claims description 16
- 239000011324 bead Substances 0.000 claims description 13
- 239000011230 binding agent Substances 0.000 claims description 13
- 238000007711 solidification Methods 0.000 claims description 10
- 230000008023 solidification Effects 0.000 claims description 10
- 235000013312 flour Nutrition 0.000 claims description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 8
- 239000000356 contaminant Substances 0.000 claims description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 4
- 229920002678 cellulose Polymers 0.000 claims description 3
- 235000010980 cellulose Nutrition 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims 1
- 239000001913 cellulose Substances 0.000 claims 1
- 229920002451 polyvinyl alcohol Polymers 0.000 claims 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 67
- 238000006243 chemical reaction Methods 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 10
- 235000012239 silicon dioxide Nutrition 0.000 description 10
- 239000000779 smoke Substances 0.000 description 10
- 238000005265 energy consumption Methods 0.000 description 8
- 210000004027 cell Anatomy 0.000 description 7
- 239000002023 wood Substances 0.000 description 7
- 239000000571 coke Substances 0.000 description 6
- 239000008119 colloidal silica Substances 0.000 description 6
- 239000010453 quartz Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 229910052681 coesite Inorganic materials 0.000 description 4
- 229910052906 cristobalite Inorganic materials 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 229910052682 stishovite Inorganic materials 0.000 description 4
- 229910052905 tridymite Inorganic materials 0.000 description 4
- 101100298295 Drosophila melanogaster flfl gene Proteins 0.000 description 3
- 239000003077 lignite Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 230000009257 reactivity Effects 0.000 description 3
- 239000004484 Briquette Substances 0.000 description 2
- 241000282421 Canidae Species 0.000 description 2
- 241000143432 Daldinia concentrica Species 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 229920000881 Modified starch Polymers 0.000 description 2
- 241000872198 Serjania polyphylla Species 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000012054 meals Nutrition 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000011044 quartzite Substances 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- 241000272814 Anser sp. Species 0.000 description 1
- 241000282461 Canis lupus Species 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229920002261 Corn starch Polymers 0.000 description 1
- 241000287828 Gallus gallus Species 0.000 description 1
- 235000019759 Maize starch Nutrition 0.000 description 1
- 244000126010 Pithecellobium dulce Species 0.000 description 1
- OEXWWDYOBBQCKD-UHFFFAOYSA-N SSSSSS Chemical compound SSSSSS OEXWWDYOBBQCKD-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910021386 carbon form Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 210000001916 photosynthetic cell Anatomy 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001869 rapid Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000527 sonication Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/02—Silicon
- C01B33/021—Preparation
- C01B33/023—Preparation by reduction of silica or free silica-containing material
- C01B33/025—Preparation by reduction of silica or free silica-containing material with carbon or a solid carbonaceous material, i.e. carbo-thermal process
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Silicon Compounds (AREA)
- Photovoltaic Devices (AREA)
- Silicon Polymers (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/028,947 US4247528A (en) | 1979-04-11 | 1979-04-11 | Method for producing solar-cell-grade silicon |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7907715L SE7907715L (sv) | 1980-10-12 |
| SE438667B true SE438667B (sv) | 1985-04-29 |
Family
ID=21846397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7907715A SE438667B (sv) | 1979-04-11 | 1979-09-18 | Forfarande for framstellning av kisel |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4247528A (de) |
| JP (1) | JPS55136116A (de) |
| AU (1) | AU523622B2 (de) |
| BE (1) | BE879715A (de) |
| CA (1) | CA1136382A (de) |
| DE (1) | DE3013319C2 (de) |
| FR (1) | FR2453827A1 (de) |
| GB (1) | GB2046232B (de) |
| NL (1) | NL7907282A (de) |
| NO (1) | NO155532B (de) |
| SE (1) | SE438667B (de) |
Families Citing this family (66)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2945141C2 (de) * | 1979-11-08 | 1983-10-27 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum Herstellen von für Halbleiterbauelemente verwendbarem Silizium aus Quarzsand |
| DE3032720C2 (de) * | 1980-08-30 | 1982-12-16 | International Minerals & Chemical Luxembourg S.A., 2010 Luxembourg | Verfahren zur Herstellung von Silicium aus Quarz und Kohlenstoff im Elektroofen |
| DE3123009A1 (de) * | 1981-06-10 | 1982-12-30 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum herstellen von fuer solarzellen verwendbarem silizium |
| DE3128979C2 (de) * | 1981-07-22 | 1986-10-23 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum Herstellen von für Solarzellen verwendbarem Silizium |
| DE3206766A1 (de) * | 1982-02-25 | 1983-09-01 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum herstellen von fuer solarzellen verwendbarem silizium |
| DE3210141A1 (de) * | 1982-03-19 | 1983-09-22 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum herstellen von fuer insbesondere solarzellen verwendbarem silicium |
| DE3215981A1 (de) * | 1982-04-29 | 1983-11-03 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum herstellen hochreiner ausgangsmaterialien fuer die fertigung von silizium fuer solarzellen nach dem carbothermischen reduktionsverfahren |
| DE3246121A1 (de) * | 1982-12-13 | 1984-06-14 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum herstellen von borfreiem siliziumdioxid |
| US4486226A (en) * | 1983-11-30 | 1984-12-04 | Allied Corporation | Multistage process for preparing ferroboron |
| US4643833A (en) * | 1984-05-04 | 1987-02-17 | Siemens Aktiengesellschaft | Method for separating solid reaction products from silicon produced in an arc furnace |
| IT1176955B (it) * | 1984-10-12 | 1987-08-26 | Samin Abrasivi Spa | Procedimento di produzione di silicio metallico adatto per essere impiegato nell'industria fotovoltaica |
| US4981668A (en) * | 1986-04-29 | 1991-01-01 | Dow Corning Corporation | Silicon carbide as a raw material for silicon production |
| DE3732073A1 (de) * | 1987-09-23 | 1989-04-06 | Siemens Ag | Hochreine innenauskleidung fuer einen elektroniederschachtofen |
| DE3804069A1 (de) * | 1988-02-10 | 1989-08-24 | Siemens Ag | Verfahren zum herstellen von solarsilizium |
| WO1990003952A1 (en) * | 1988-10-07 | 1990-04-19 | Crystal Systems, Inc. | Method of growing silicon ingots using a rotating melt |
| NO180532C (no) * | 1994-09-01 | 1997-05-07 | Elkem Materials | Fremgangsmåte for fjerning av forurensninger fra smeltet silisium |
| CA2232777C (en) * | 1997-03-24 | 2001-05-15 | Hiroyuki Baba | Method for producing silicon for use in solar cells |
| NO321276B1 (no) * | 2003-07-07 | 2006-04-18 | Elkem Materials | Fremgangsmate for fremstilling av triklorsilan og silisium for bruk ved fremstilling av triklorsilan |
| NO333319B1 (no) * | 2003-12-29 | 2013-05-06 | Elkem As | Silisiummateriale for fremstilling av solceller |
| RU2371386C2 (ru) * | 2004-04-08 | 2009-10-27 | Дау Корнинг Корпорейшн | Способ выбора кремния, обладающего улучшенной характеристикой |
| US7588745B2 (en) * | 2004-04-13 | 2009-09-15 | Si Options, Llc | Silicon-containing products |
| US8470279B2 (en) * | 2004-04-13 | 2013-06-25 | Si Options, Llc | High purity silicon-containing products and method of manufacture |
| US7638108B2 (en) * | 2004-04-13 | 2009-12-29 | Si Options, Llc | High purity silicon-containing products |
| NO322246B1 (no) * | 2004-12-27 | 2006-09-04 | Elkem Solar As | Fremgangsmate for fremstilling av rettet storknede silisiumingots |
| CN101243014B (zh) | 2005-08-19 | 2011-09-07 | 住友化学株式会社 | 硅的制备方法 |
| DE102005061690A1 (de) * | 2005-12-21 | 2007-07-05 | Solmic Gmbh | Verfahren zur Herstellung solartauglichen Siliziums |
| CN101426722B (zh) * | 2006-03-15 | 2013-06-05 | 反应科学公司 | 制造用于太阳能电池及其它应用的硅的方法 |
| US8057598B2 (en) * | 2006-06-13 | 2011-11-15 | Young Sang Cho | Manufacturing equipment for polysilicon ingot |
| RU2333889C2 (ru) * | 2006-08-18 | 2008-09-20 | Иосиф Григорьевич Альперович | Шихта для производства чистого кремния |
| BRPI0814930A2 (pt) * | 2007-06-08 | 2015-02-03 | Shinetsu Chemical Co | Método de solidificação de silício metálico |
| US20080314446A1 (en) * | 2007-06-25 | 2008-12-25 | General Electric Company | Processes for the preparation of solar-grade silicon and photovoltaic cells |
| US20080314445A1 (en) * | 2007-06-25 | 2008-12-25 | General Electric Company | Method for the preparation of high purity silicon |
| US8968467B2 (en) * | 2007-06-27 | 2015-03-03 | Silicor Materials Inc. | Method and system for controlling resistivity in ingots made of compensated feedstock silicon |
| JP2010535697A (ja) * | 2007-08-07 | 2010-11-25 | ダウ コーニング コーポレーション | 金属酸化物の炭素熱還元による金属および合金の生産方法 |
| US8026086B2 (en) * | 2007-12-03 | 2011-09-27 | Ontario Inc. | Methods for co-production of ethanol and silica from equisetum |
| ITMI20081085A1 (it) * | 2008-06-16 | 2009-12-17 | N E D Silicon S P A | Metodo per la preparazione di silicio di grado metallurgico di elevata purezza. |
| DE102008041334A1 (de) | 2008-08-19 | 2010-02-25 | Evonik Degussa Gmbh | Herstellung von Silizium durch Umsetzung von Siliziumoxid und Siliziumcarbid gegebenenfalls in Gegenwart einer zweiten Kohlenstoffquelle |
| DE102008042498A1 (de) * | 2008-09-30 | 2010-04-01 | Evonik Degussa Gmbh | Verfahren zur Pyrolyse von Kohlehydraten |
| AU2009299921A1 (en) * | 2008-09-30 | 2010-04-08 | Evonik Degussa Gmbh | Production of solar-grade silicon from silicon dioxide |
| US20110262336A1 (en) | 2008-09-30 | 2011-10-27 | Hartwig Rauleder | Production of solar-grade silicon from silicon dioxide |
| TW201033123A (en) * | 2009-03-13 | 2010-09-16 | Radiant Technology Co Ltd | Method for manufacturing a silicon material with high purity |
| EP2322474A1 (de) | 2009-11-16 | 2011-05-18 | Evonik Degussa GmbH | Verfahren zur Pyrolyse von Kohlehydraten |
| EP2322476A1 (de) * | 2009-11-16 | 2011-05-18 | Evonik Degussa GmbH | Neues Verfahren zur Herstellung von Silicium |
| US20110120365A1 (en) * | 2009-11-25 | 2011-05-26 | Hui She | Process for removal of contaminants from a melt of non-ferrous metals and apparatus for growing high purity silicon crystals |
| DE102010001093A1 (de) | 2010-01-21 | 2011-07-28 | Evonik Degussa GmbH, 45128 | Verfahren zur Grobentkohlung einer Siliciumschmelze |
| DE102010001094A1 (de) | 2010-01-21 | 2011-07-28 | Evonik Degussa GmbH, 45128 | Verfahren zur Entkohlung einer Siliciumschmelze |
| RU2431602C1 (ru) * | 2010-03-25 | 2011-10-20 | Общество с ограниченной ответственностью "Сибинженерпроект" (ООО "СибИП") | Шихта для выплавки кремния рудно-термическим восстановлением |
| US8900341B2 (en) | 2010-05-20 | 2014-12-02 | Dow Corning Corporation | Method and system for producing an aluminum—silicon alloy |
| CN102161487B (zh) * | 2011-03-09 | 2014-04-23 | 云南云天化国际化工股份有限公司 | 一种用磷肥副产硅胶生产纯硅的方法 |
| JP2014524824A (ja) | 2011-04-15 | 2014-09-25 | バイオジェニック リージェンツ エルエルシー | 高炭素生体試薬の生成のためのシステムおよび装置 |
| DE102012202590A1 (de) * | 2012-02-21 | 2013-08-22 | Evonik Degussa Gmbh | Verfahren zur Herstellung von hochreinen Halbmetallen |
| DE102012202586A1 (de) | 2012-02-21 | 2013-08-22 | Evonik Degussa Gmbh | Verfahren zur Herstellung von Silizium über carbothermische Reduktion von Siliciumoxid mit Kohlenstoff in einem Schmelzofen |
| EP2847127B1 (de) | 2012-05-07 | 2020-10-14 | Carbon Technology Holdings, LLC | Verfahren zur herstellung biogener aktivkohle |
| NO336720B1 (no) * | 2013-09-09 | 2015-10-26 | Elkem Solar As | Fremgangsmåte for forbedring av effektiviteten av solceller. |
| US12350648B2 (en) | 2013-10-24 | 2025-07-08 | Carbon Technology Holdings, LLC | Methods and apparatus for producing activated carbon from biomass through carbonized ash intermediates |
| CA2977092C (en) | 2014-02-24 | 2022-12-13 | Biogenic Reagents Ventures, Llc | Highly mesoporous activated carbon |
| US11413601B2 (en) | 2014-10-24 | 2022-08-16 | Carbon Technology Holdings, LLC | Halogenated activated carbon compositions and methods of making and using same |
| CN106229363B (zh) * | 2016-07-28 | 2017-10-03 | 孙健春 | 一种含有黑磷层的太阳能电池及黑磷层的制备方法 |
| WO2019241463A1 (en) * | 2018-06-14 | 2019-12-19 | Carbon Technology Holdings, LLC | Biogenic porous carbon silicon dioxide compositions and methods of making and using same |
| EP3941878B1 (de) * | 2019-03-22 | 2022-10-19 | Wacker Chemie AG | Verfahren zur herstellung von technischem silicium |
| US20220098700A1 (en) | 2020-09-25 | 2022-03-31 | Carbon Technology Holdings, LLC | Bio-reduction of metal ores integrated with biomass pyrolysis |
| AU2022221681A1 (en) | 2021-02-18 | 2023-10-05 | Carbon Technology Holdings, LLC | Carbon-negative metallurgical products |
| BR112023022199A2 (pt) | 2021-04-27 | 2023-12-19 | Carbon Tech Holdings Llc | Composições de biocarbono com carbono fixo otimizado e processos para produzir o mesmo |
| CN117940534A (zh) | 2021-07-09 | 2024-04-26 | 卡本科技控股有限责任公司 | 用于产生具有高固定碳含量和经优化的反应性的生物碳团粒的方法及由其获得的生物碳团粒 |
| AU2022387418A1 (en) | 2021-11-12 | 2024-06-27 | Carbon Technology Holdings, LLC | Biocarbon compositions with optimized compositional parameters, and processes for producing the same |
| CN115893422B (zh) * | 2022-12-02 | 2024-07-30 | 昆明理工大学 | 一种粉煤喷吹冶炼硅石制备工业硅的方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL130371C (de) * | 1958-12-16 | 1900-01-01 | ||
| FR1530655A (fr) * | 1967-05-19 | 1968-06-28 | Pechiney Prod Chimiques Sa | Fabrication du silicium et de ses alliages par carbothermie |
| JPS4937686A (de) * | 1972-08-08 | 1974-04-08 | ||
| JPS5114962A (ja) * | 1974-07-27 | 1976-02-05 | Mitsubishi Monsanto Chem | Netsukasoseijushishiitoyori seikeihinoseizosuru hoho |
| JPS5157629A (ja) * | 1974-11-15 | 1976-05-20 | Nippon Denko | Kangenzai |
-
1979
- 1979-04-11 US US06/028,947 patent/US4247528A/en not_active Expired - Lifetime
- 1979-09-14 CA CA000335625A patent/CA1136382A/en not_active Expired
- 1979-09-18 SE SE7907715A patent/SE438667B/sv unknown
- 1979-09-19 AU AU50958/79A patent/AU523622B2/en not_active Ceased
- 1979-10-01 NL NL7907282A patent/NL7907282A/nl not_active Application Discontinuation
- 1979-10-04 GB GB7934501A patent/GB2046232B/en not_active Expired
- 1979-10-08 JP JP12980679A patent/JPS55136116A/ja active Pending
- 1979-10-11 NO NO793270A patent/NO155532B/no unknown
- 1979-10-26 FR FR7926624A patent/FR2453827A1/fr active Granted
- 1979-10-30 BE BE0/197880A patent/BE879715A/fr not_active IP Right Cessation
-
1980
- 1980-04-05 DE DE3013319A patent/DE3013319C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE3013319C2 (de) | 1982-11-25 |
| NO155532B (no) | 1987-01-05 |
| FR2453827A1 (fr) | 1980-11-07 |
| NO793270L (no) | 1980-10-14 |
| DE3013319A1 (de) | 1980-10-16 |
| GB2046232B (en) | 1982-12-15 |
| FR2453827B1 (de) | 1984-08-24 |
| AU5095879A (en) | 1980-10-16 |
| BE879715A (fr) | 1980-04-30 |
| GB2046232A (en) | 1980-11-12 |
| US4247528A (en) | 1981-01-27 |
| JPS55136116A (en) | 1980-10-23 |
| SE7907715L (sv) | 1980-10-12 |
| AU523622B2 (en) | 1982-08-05 |
| NL7907282A (nl) | 1980-10-14 |
| CA1136382A (en) | 1982-11-30 |
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