DE69129143D1 - Verfahren zur Herstellung von gemischten Oxalaten von Ammonium und seltenen Erden und deren Anwendung zur Herstellung von Oxyden der seltenen Erden und die so hergestellten seltenen Erden - Google Patents
Verfahren zur Herstellung von gemischten Oxalaten von Ammonium und seltenen Erden und deren Anwendung zur Herstellung von Oxyden der seltenen Erden und die so hergestellten seltenen ErdenInfo
- Publication number
- DE69129143D1 DE69129143D1 DE69129143T DE69129143T DE69129143D1 DE 69129143 D1 DE69129143 D1 DE 69129143D1 DE 69129143 T DE69129143 T DE 69129143T DE 69129143 T DE69129143 T DE 69129143T DE 69129143 D1 DE69129143 D1 DE 69129143D1
- Authority
- DE
- Germany
- Prior art keywords
- rare
- rare earths
- ammonium
- preparation
- produced
- 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 - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/41—Preparation of salts of carboxylic acids
- C07C51/412—Preparation of salts of carboxylic acids by conversion of the acids, their salts, esters or anhydrides with the same carboxylic acid part
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/28—Methods of preparing ammonium salts in general
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/41—Preparation of salts of carboxylic acids
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Television Signal Processing For Recording (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Peptides Or Proteins (AREA)
- Medicines Containing Plant Substances (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9014030A FR2669027B1 (fr) | 1990-11-13 | 1990-11-13 | Procede de fabrication d'oxalates doubles de terres rares et d'ammonium et leurs utilisations pour la fabrication d'oxydes de terres rares et oxydes de terres rares obtenus. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69129143D1 true DE69129143D1 (de) | 1998-04-30 |
DE69129143T2 DE69129143T2 (de) | 1998-10-15 |
Family
ID=9402097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69129143T Expired - Lifetime DE69129143T2 (de) | 1990-11-13 | 1991-10-28 | Verfahren zur Herstellung von gemischten Oxalaten von Ammonium und seltenen Erden und deren Anwendung zur Herstellung von Oxyden der seltenen Erden und die so hergestellten seltenen Erden |
Country Status (16)
Country | Link |
---|---|
US (1) | US5665323A (de) |
EP (1) | EP0486350B1 (de) |
JP (1) | JPH0714814B2 (de) |
KR (1) | KR950004771B1 (de) |
CN (2) | CN1040745C (de) |
AT (1) | ATE164373T1 (de) |
BR (1) | BR9104904A (de) |
CA (1) | CA2055282C (de) |
DE (1) | DE69129143T2 (de) |
FI (1) | FI915338A (de) |
FR (1) | FR2669027B1 (de) |
IE (1) | IE913934A1 (de) |
NO (1) | NO914399L (de) |
SG (1) | SG50363A1 (de) |
TW (1) | TW219922B (de) |
ZA (1) | ZA918372B (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04238813A (ja) * | 1990-12-28 | 1992-08-26 | Shin Etsu Chem Co Ltd | 希土類元素蓚酸アンモニウム複塩の製造方法および希土類元素酸化物の製造方法 |
AUPM402094A0 (en) * | 1994-02-18 | 1994-03-17 | University Of Sydney, The | Chemical compounds |
US20050019241A1 (en) * | 2003-07-23 | 2005-01-27 | Lyons Robert Joseph | Preparation of rare earth ceramic garnet |
CN1318304C (zh) * | 2003-12-15 | 2007-05-30 | 内蒙古科技大学 | 制备大颗粒氧化铈的方法 |
CN102304628A (zh) * | 2011-07-29 | 2012-01-04 | 江西理工大学 | 一种利用液膜从磷矿中提取稀土的方法 |
CN104691127A (zh) * | 2015-02-10 | 2015-06-10 | 首都师范大学 | 一种实现商品终身防伪的方法 |
CN108408757B (zh) * | 2018-03-15 | 2020-06-23 | 益阳鸿源稀土有限责任公司 | 一种高纯超细氧化钪粉末的制备方法 |
CN108752190A (zh) * | 2018-06-27 | 2018-11-06 | 湖南稀土金属材料研究院 | 稀土铵双草酸盐的制备方法及稀土氧化物的制备方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3562175A (en) * | 1968-09-11 | 1971-02-09 | Gen Electric | Gadolinium oxide particle growth in lithium oxide flux |
US3635658A (en) * | 1969-04-02 | 1972-01-18 | Sylvania Electric Prod | Rare earth oxide process |
JPS5395911A (en) * | 1977-02-01 | 1978-08-22 | Mitsubishi Chem Ind Ltd | Preparation of fine rare earth oxalate powder |
JPS6059222B2 (ja) * | 1977-02-08 | 1985-12-24 | 三菱化学株式会社 | 希土「しゅう」酸塩微粉体の製造法 |
NO140925C (no) * | 1978-04-14 | 1979-12-12 | Sjeldne Jordarter Forskning | Fremgangsmaate til fremstilling av yttriumoksyd med saerlig store partikler |
JPS5528905A (en) * | 1978-08-18 | 1980-02-29 | Mitsubishi Chem Ind Ltd | Preparation of fine powder of ammonium yttrium oxalate |
JPS61532A (ja) * | 1984-06-13 | 1986-01-06 | Nippon Pureeteingu Kk | サマリウムの回収方法 |
JPS6183143A (ja) * | 1984-09-28 | 1986-04-26 | Denki Kagaku Kogyo Kk | 溶液の調整法 |
JPH0627004B2 (ja) * | 1987-05-26 | 1994-04-13 | 三菱マテリアル株式会社 | 12面体の結晶形を有する酸化スカンジウムの製造方法 |
DK168701B1 (da) * | 1988-06-09 | 1994-05-24 | Topsoe Haldor As | Fremgangsmåde til ved fremstilling af svovlsyre at udkondensere svovlsyredampe |
-
1990
- 1990-11-13 FR FR9014030A patent/FR2669027B1/fr not_active Expired - Lifetime
-
1991
- 1991-10-21 ZA ZA918372A patent/ZA918372B/xx unknown
- 1991-10-28 AT AT91402879T patent/ATE164373T1/de not_active IP Right Cessation
- 1991-10-28 EP EP91402879A patent/EP0486350B1/de not_active Expired - Lifetime
- 1991-10-28 DE DE69129143T patent/DE69129143T2/de not_active Expired - Lifetime
- 1991-10-28 SG SG1995001760A patent/SG50363A1/en unknown
- 1991-10-29 TW TW080108493A patent/TW219922B/zh active
- 1991-11-11 NO NO91914399A patent/NO914399L/no unknown
- 1991-11-12 CA CA002055282A patent/CA2055282C/fr not_active Expired - Fee Related
- 1991-11-12 BR BR919104904A patent/BR9104904A/pt unknown
- 1991-11-12 FI FI915338A patent/FI915338A/fi not_active Application Discontinuation
- 1991-11-12 CN CN91110697A patent/CN1040745C/zh not_active Expired - Lifetime
- 1991-11-12 IE IE393491A patent/IE913934A1/en not_active Application Discontinuation
- 1991-11-13 KR KR1019910020159A patent/KR950004771B1/ko not_active IP Right Cessation
- 1991-11-13 JP JP3324044A patent/JPH0714814B2/ja not_active Expired - Lifetime
-
1995
- 1995-05-08 US US08/437,217 patent/US5665323A/en not_active Expired - Lifetime
-
1996
- 1996-06-17 CN CN96102288A patent/CN1096420C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
SG50363A1 (en) | 1998-07-20 |
FR2669027B1 (fr) | 1992-12-31 |
KR920009702A (ko) | 1992-06-25 |
JPH05262518A (ja) | 1993-10-12 |
TW219922B (de) | 1994-02-01 |
FI915338A0 (fi) | 1991-11-12 |
NO914399L (no) | 1992-05-14 |
CN1061403A (zh) | 1992-05-27 |
CA2055282A1 (fr) | 1992-05-14 |
FR2669027A1 (fr) | 1992-05-15 |
JPH0714814B2 (ja) | 1995-02-22 |
IE913934A1 (en) | 1992-05-20 |
BR9104904A (pt) | 1992-06-23 |
DE69129143T2 (de) | 1998-10-15 |
CA2055282C (fr) | 2000-01-11 |
FI915338A (fi) | 1992-05-14 |
CN1147501A (zh) | 1997-04-16 |
CN1040745C (zh) | 1998-11-18 |
KR950004771B1 (ko) | 1995-05-10 |
CN1096420C (zh) | 2002-12-18 |
ZA918372B (en) | 1992-09-30 |
US5665323A (en) | 1997-09-09 |
EP0486350B1 (de) | 1998-03-25 |
ATE164373T1 (de) | 1998-04-15 |
NO914399D0 (no) | 1991-11-11 |
EP0486350A1 (de) | 1992-05-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8327 | Change in the person/name/address of the patent owner |
Owner name: RHODIA CHIMIE, COURBEVOIE CEDEX, FR |
|
8364 | No opposition during term of opposition |