JP4113938B2 - 酸化タングステンの製造方法 - Google Patents
酸化タングステンの製造方法 Download PDFInfo
- Publication number
- JP4113938B2 JP4113938B2 JP53805797A JP53805797A JP4113938B2 JP 4113938 B2 JP4113938 B2 JP 4113938B2 JP 53805797 A JP53805797 A JP 53805797A JP 53805797 A JP53805797 A JP 53805797A JP 4113938 B2 JP4113938 B2 JP 4113938B2
- Authority
- JP
- Japan
- Prior art keywords
- solution
- polytungstate
- oxide
- tungsten oxide
- peroxypolytungstate
- 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 - Fee Related
Links
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 title claims description 35
- 229910001930 tungsten oxide Inorganic materials 0.000 title claims description 35
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 238000000034 method Methods 0.000 claims description 23
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 22
- 239000000843 powder Substances 0.000 claims description 17
- 150000002978 peroxides Chemical class 0.000 claims description 16
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 13
- 230000001476 alcoholic effect Effects 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 4
- 239000000243 solution Substances 0.000 description 103
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 238000000576 coating method Methods 0.000 description 13
- 239000011248 coating agent Substances 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- 238000010992 reflux Methods 0.000 description 8
- 239000002243 precursor Substances 0.000 description 7
- 239000000758 substrate Substances 0.000 description 7
- 229910052721 tungsten Inorganic materials 0.000 description 7
- 239000010937 tungsten Substances 0.000 description 7
- 239000002253 acid Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 6
- 239000008367 deionised water Substances 0.000 description 5
- 229910021641 deionized water Inorganic materials 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000002834 transmittance Methods 0.000 description 5
- -1 tungstate ions Chemical class 0.000 description 5
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical class C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000020477 pH reduction Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 238000009831 deintercalation Methods 0.000 description 3
- 239000000499 gel Substances 0.000 description 3
- 238000009830 intercalation Methods 0.000 description 3
- 238000005342 ion exchange Methods 0.000 description 3
- 239000003456 ion exchange resin Substances 0.000 description 3
- 229920003303 ion-exchange polymer Polymers 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000001237 Raman spectrum Methods 0.000 description 2
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005341 cation exchange Methods 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 229920001429 chelating resin Polymers 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000001879 gelation Methods 0.000 description 2
- 230000002687 intercalation Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 125000000864 peroxy group Chemical group O(O*)* 0.000 description 2
- 102000013772 Peroxins Human genes 0.000 description 1
- 108010025366 Peroxins Proteins 0.000 description 1
- 229910021607 Silver chloride Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 150000004703 alkoxides Chemical class 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000004042 decolorization Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000000840 electrochemical analysis Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000003495 polar organic solvent Substances 0.000 description 1
- 229920005575 poly(amic acid) Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 1
- XMVONEAAOPAGAO-UHFFFAOYSA-N sodium tungstate Chemical compound [Na+].[Na+].[O-][W]([O-])(=O)=O XMVONEAAOPAGAO-UHFFFAOYSA-N 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten trioxide Chemical compound O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 description 1
- CMPGARWFYBADJI-UHFFFAOYSA-L tungstic acid Chemical compound O[W](O)(=O)=O CMPGARWFYBADJI-UHFFFAOYSA-L 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 230000004584 weight gain Effects 0.000 description 1
- 235000019786 weight gain Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G41/00—Compounds of tungsten
- C01G41/02—Oxides; Hydroxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G41/00—Compounds of tungsten
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
- C23C18/12—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
- C23C18/1204—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material inorganic material, e.g. non-oxide and non-metallic such as sulfides, nitrides based compounds
- C23C18/1208—Oxides, e.g. ceramics
- C23C18/1216—Metal oxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/02—Amorphous compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
- C01P2002/84—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by UV- or VIS- data
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
- C01P2004/82—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases
- C01P2004/84—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases one phase coated with the other
- C01P2004/86—Thin layer coatings, i.e. the coating thickness being less than 0.1 time the particle radius
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/10—Solid density
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/639,020 | 1996-04-24 | ||
| US08/639,020 US5772978A (en) | 1996-04-24 | 1996-04-24 | Process for producing tungsten oxide |
| PCT/US1997/004408 WO1997039980A1 (en) | 1996-04-24 | 1997-03-19 | Process for producing tungsten oxide |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2000510085A JP2000510085A (ja) | 2000-08-08 |
| JP2000510085A5 JP2000510085A5 (enExample) | 2004-12-02 |
| JP4113938B2 true JP4113938B2 (ja) | 2008-07-09 |
Family
ID=24562403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP53805797A Expired - Fee Related JP4113938B2 (ja) | 1996-04-24 | 1997-03-19 | 酸化タングステンの製造方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US5772978A (enExample) |
| EP (1) | EP0895508B1 (enExample) |
| JP (1) | JP4113938B2 (enExample) |
| DE (1) | DE69725127T2 (enExample) |
| WO (1) | WO1997039980A1 (enExample) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5772978A (en) * | 1996-04-24 | 1998-06-30 | Minnesota Mining And Manufacturing Company | Process for producing tungsten oxide |
| AUPP742298A0 (en) * | 1998-11-30 | 1998-12-24 | Sustainable Technologies Australia Limited | Preparation of peroxy or peroxyester metal derivatives |
| US6144479A (en) * | 1998-12-16 | 2000-11-07 | 3M Innovative Properties Company | Low reflectivity contrast enhancement filter |
| US6706785B1 (en) | 2000-02-18 | 2004-03-16 | Rona/Emi Industries, Inc. | Methods and compositions related to laser sensitive pigments for laser marking of plastics |
| US7591984B2 (en) * | 2003-07-28 | 2009-09-22 | Los Alamos National Security, Llc | Preparation of tungsten oxide |
| US8173166B2 (en) * | 2005-09-09 | 2012-05-08 | Honda Motor Co., Ltd. | Methods of producing tungsten nanoparticles |
| KR101009583B1 (ko) * | 2009-03-10 | 2011-01-20 | 충남대학교산학협력단 | 전이금속산화물 나노입자의 제조방법 |
| JP2011195420A (ja) * | 2010-03-23 | 2011-10-06 | National Institute Of Advanced Industrial Science & Technology | 金属酸化物微粒子の製造方法 |
| JP5889568B2 (ja) * | 2011-08-11 | 2016-03-22 | メルク、パテント、ゲゼルシャフト、ミット、ベシュレンクテル、ハフツングＭｅｒｃｋ Ｐａｔｅｎｔ ＧｍｂＨ | 酸化タングステン膜形成用組成物およびそれを用いた酸化タングステン膜の製造法 |
| US9315636B2 (en) | 2012-12-07 | 2016-04-19 | Az Electronic Materials (Luxembourg) S.A.R.L. | Stable metal compounds, their compositions and methods |
| US9201305B2 (en) | 2013-06-28 | 2015-12-01 | Az Electronic Materials (Luxembourg) S.A.R.L. | Spin-on compositions of soluble metal oxide carboxylates and methods of their use |
| US9296922B2 (en) | 2013-08-30 | 2016-03-29 | Az Electronic Materials (Luxembourg) S.A.R.L. | Stable metal compounds as hardmasks and filling materials, their compositions and methods of use |
| US9409793B2 (en) | 2014-01-14 | 2016-08-09 | Az Electronic Materials (Luxembourg) S.A.R.L. | Spin coatable metallic hard mask compositions and processes thereof |
| US9418836B2 (en) | 2014-01-14 | 2016-08-16 | Az Electronic Materials (Luxembourg) S.A.R.L. | Polyoxometalate and heteropolyoxometalate compositions and methods for their use |
| FR3046602B1 (fr) * | 2016-01-12 | 2022-08-05 | Centre Nat Rech Scient | Solution d'ions tungstates et dispositif photovoltaique hybride |
| US10262763B2 (en) * | 2016-09-19 | 2019-04-16 | Radium Incorporated | Systems, devices, and/or methods for managing radiation shielding |
| KR102271842B1 (ko) * | 2017-07-14 | 2021-07-01 | 주식회사 엘지화학 | 산화텅스텐의 제조방법 |
| ES2975068T3 (es) | 2017-07-20 | 2024-07-03 | Miru Smart Tech Corp | Fotodeposición de óxidos metálicos para dispositivos electrocrómicos |
| SG11202001741PA (en) | 2017-09-06 | 2020-03-30 | Merck Patent Gmbh | Spin-on inorganic oxide containing composition useful as hard masks and filling materials with improved thermal stability |
| RU2747048C1 (ru) * | 2020-11-04 | 2021-04-23 | Федеральное государственное бюджетное учреждение науки Институт химии Дальневосточного отделения Российской академии наук (ИХ ДВО РАН) | Способ получения сорбента на основе оксидов вольфрама для извлечения стронция-90 из жидких сред |
| CN118751252B (zh) * | 2024-06-17 | 2025-05-02 | 长沙市科力智科技有限公司 | 一种钴掺杂纳米钨酸催化剂的制备方法及其应用 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3428415A (en) * | 1967-04-11 | 1969-02-18 | Sylvania Electric Prod | Preparation of heteropolytungstic and heteropolymolybdic acids |
| US3859373A (en) * | 1974-03-07 | 1975-01-07 | Sun Ventures Inc | Manufacture of hydrogen |
| JPS6053858B2 (ja) * | 1979-02-16 | 1985-11-27 | シャープ株式会社 | エレクトロクロミック表示装置の製造方法 |
| US4339424A (en) * | 1981-03-20 | 1982-07-13 | Exxon Research & Engineering Co. | Method of preparing W or Mo metal oxides |
| FR2527219B1 (fr) * | 1982-05-24 | 1985-07-05 | Centre Nat Rech Scient | Dispositif d'affichage comportant une couche active photochrome ou electrochrome et son procede de fabrication |
| JPH0610091B2 (ja) * | 1984-05-25 | 1994-02-09 | 株式会社日立製作所 | ヘテロポリ酸及びそれを乾固させて得られる膜を有するエレクトロクロミック表示素子 |
| US5061599A (en) * | 1986-06-11 | 1991-10-29 | Hitachi, Ltd. | Radiation sensitive materials |
| JPH0738042B2 (ja) * | 1986-09-08 | 1995-04-26 | 株式会社日立製作所 | 微小光学部品材料 |
| US4753916A (en) * | 1986-09-17 | 1988-06-28 | E. I. Du Pont De Nemours And Company | Metal oxides of molybdenum or molybdenum and tungsten |
| US4855161A (en) * | 1987-02-19 | 1989-08-08 | Donnelly Corporation | Method for deposition of electrochromic layers |
| US4996083A (en) * | 1987-02-19 | 1991-02-26 | Donnelly Corporation | Method for deposition of electrochromic layers |
| US5252354A (en) * | 1992-05-20 | 1993-10-12 | Donnelly Corporation | Method for depositing electrochromic layers |
| JPH06130426A (ja) * | 1992-10-14 | 1994-05-13 | Fuji Xerox Co Ltd | 含水酸化タングステン被膜、その製造方法およびエレクトロクロミック素子 |
| US5536278A (en) * | 1994-03-23 | 1996-07-16 | Hydro-Quebec | Process for assembling LPB batteries |
| US5772978A (en) * | 1996-04-24 | 1998-06-30 | Minnesota Mining And Manufacturing Company | Process for producing tungsten oxide |
-
1996
- 1996-04-24 US US08/639,020 patent/US5772978A/en not_active Expired - Lifetime
-
1997
- 1997-03-19 DE DE69725127T patent/DE69725127T2/de not_active Expired - Lifetime
- 1997-03-19 EP EP97916091A patent/EP0895508B1/en not_active Expired - Lifetime
- 1997-03-19 WO PCT/US1997/004408 patent/WO1997039980A1/en not_active Ceased
- 1997-03-19 JP JP53805797A patent/JP4113938B2/ja not_active Expired - Fee Related
-
1998
- 1998-01-23 US US09/012,540 patent/US5911965A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0895508B1 (en) | 2003-09-24 |
| DE69725127T2 (de) | 2004-07-08 |
| US5772978A (en) | 1998-06-30 |
| WO1997039980A1 (en) | 1997-10-30 |
| DE69725127D1 (de) | 2003-10-30 |
| JP2000510085A (ja) | 2000-08-08 |
| EP0895508A1 (en) | 1999-02-10 |
| US5911965A (en) | 1999-06-15 |
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