JPH022808B2 - - Google Patents
Info
- Publication number
- JPH022808B2 JPH022808B2 JP60504598A JP50459885A JPH022808B2 JP H022808 B2 JPH022808 B2 JP H022808B2 JP 60504598 A JP60504598 A JP 60504598A JP 50459885 A JP50459885 A JP 50459885A JP H022808 B2 JPH022808 B2 JP H022808B2
- Authority
- JP
- Japan
- Prior art keywords
- fluoride
- gas
- active
- thorium
- active metal
- 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
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G27/00—Compounds of hafnium
- C01G27/04—Halides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B9/00—General methods of preparing halides
- C01B9/08—Fluorides
-
- 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
- C01F15/00—Compounds of thorium
-
- 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
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/253—Halides
- C01F17/265—Fluorides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G25/00—Compounds of zirconium
- C01G25/04—Halides
-
- 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
- C01P2002/88—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by thermal analysis data, e.g. TGA, DTA, DSC
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/686,774 US4752454A (en) | 1984-12-27 | 1984-12-27 | Process for the preparation of ultrapure active metal fluorides |
| US686774 | 1991-04-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62501286A JPS62501286A (ja) | 1987-05-21 |
| JPH022808B2 true JPH022808B2 (enExample) | 1990-01-19 |
Family
ID=24757696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60504598A Granted JPS62501286A (ja) | 1984-12-27 | 1985-09-26 | 超高純度重金属フッ化物の製造方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4752454A (enExample) |
| EP (1) | EP0205454B1 (enExample) |
| JP (1) | JPS62501286A (enExample) |
| DE (1) | DE3572154D1 (enExample) |
| WO (1) | WO1986004048A1 (enExample) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1986004049A1 (en) * | 1984-12-27 | 1986-07-17 | Hughes Aircraft Company | Process for the preparation of ultrapure heavy metal fluorides |
| US5069701A (en) * | 1987-07-13 | 1991-12-03 | Hughes Aircraft Company | Preparation of fluoride glass by chemical vapor deposition |
| DE58903259D1 (de) * | 1988-05-20 | 1993-02-25 | Siemens Ag | Verfahren zur herstellung einer optischen faser hoher festigkeit. |
| US5200098A (en) * | 1988-10-12 | 1993-04-06 | Union Oil Company Of California | Cerium-containing lubricating compositions |
| US5091168A (en) * | 1990-08-15 | 1992-02-25 | E. I. Du Pont De Nemours And Company | Preparation of anhydrous niobium and tantalum pentafluorides |
| US5756369A (en) * | 1996-07-11 | 1998-05-26 | Lsi Logic Corporation | Rapid thermal processing using a narrowband infrared source and feedback |
| CA2430608C (en) * | 2002-06-03 | 2012-01-10 | Praxair Technology, Inc. | Carbon dioxide laser resonator gas |
| US20060115980A1 (en) * | 2004-11-30 | 2006-06-01 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method for decreasing a dielectric constant of a low-k film |
| US20110101273A1 (en) * | 2005-09-16 | 2011-05-05 | Robert Rewick | Process and Composition for Making Rare Earth Doped Particles and Methods of Using Them |
| EP2058045A3 (en) * | 2007-11-02 | 2011-02-02 | Yoosung Co., Ltd. | Separation, purification and recovery method of SF6, HFCs and PFCs |
| US20110061587A1 (en) * | 2008-05-16 | 2011-03-17 | Sumito Ishizu | Method of producing pretreated metal fluorides and fluoride crystals |
| US12103860B2 (en) * | 2017-02-03 | 2024-10-01 | The South African Nuclear Energy Corporation Soc Limited | Preparation process for rare earth metal fluorides |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR496258A (fr) * | 1919-02-26 | 1919-10-31 | William Heap | Perfectionnements apportés à la fabrication de chlorures métalliques |
| US2397929A (en) * | 1942-12-30 | 1946-04-09 | Rca Corp | Reduction in reflection from glass |
| US2893825A (en) * | 1951-04-11 | 1959-07-07 | John G Malm | Separation of protactinium from contaminants |
| US2972513A (en) * | 1956-01-13 | 1961-02-21 | Atomenergi Ab | Process for the production of anhydrous fluorides |
| US2991149A (en) * | 1957-10-04 | 1961-07-04 | Dow Chemical Co | Method of dehydrating hydrates of thorium fluoride |
| DE1244143B (de) * | 1964-11-21 | 1967-07-13 | Kernforschungsanlage Juelich D | Verfahren zur Aufbereitung uranhaltiger Kernbrennstoffe |
| US3460918A (en) * | 1968-01-12 | 1969-08-12 | Atomic Energy Commission | Method of chlorinating metals with carbon tetrachloride and carbon dioxide |
| US3748095A (en) * | 1968-06-17 | 1973-07-24 | Mc Donnell Douglas Corp | Production of high purity rare earth sulfides |
| US4013796A (en) * | 1973-08-27 | 1977-03-22 | The Harshaw Chemical Company | Hot-pressed ionic fluoride optical bodies free of absorption bands and method of making them |
| US4341873A (en) * | 1980-03-19 | 1982-07-27 | Hughes Aircraft Company | Fluorozirconate, glass and the process for making the same |
| US4519986A (en) * | 1982-01-28 | 1985-05-28 | Hughes Aircraft Company | Process for preparation of ultrapure thorium fluoride |
-
1984
- 1984-12-27 US US06/686,774 patent/US4752454A/en not_active Expired - Lifetime
-
1985
- 1985-09-26 DE DE8585905141T patent/DE3572154D1/de not_active Expired
- 1985-09-26 EP EP85905141A patent/EP0205454B1/en not_active Expired
- 1985-09-26 WO PCT/US1985/001834 patent/WO1986004048A1/en not_active Ceased
- 1985-09-26 JP JP60504598A patent/JPS62501286A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62501286A (ja) | 1987-05-21 |
| EP0205454B1 (en) | 1989-08-09 |
| US4752454A (en) | 1988-06-21 |
| WO1986004048A1 (en) | 1986-07-17 |
| EP0205454A1 (en) | 1986-12-30 |
| DE3572154D1 (en) | 1989-09-14 |
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