JPS5089299A - - Google Patents
Info
- Publication number
- JPS5089299A JPS5089299A JP49130412A JP13041274A JPS5089299A JP S5089299 A JPS5089299 A JP S5089299A JP 49130412 A JP49130412 A JP 49130412A JP 13041274 A JP13041274 A JP 13041274A JP S5089299 A JPS5089299 A JP S5089299A
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Classifications
-
- 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
- C22B34/10—Obtaining titanium, zirconium or hafnium
- C22B34/14—Obtaining zirconium or hafnium
-
- 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
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G27/00—Compounds of hafnium
- C01G27/04—Halides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Glass Compositions (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7340395A FR2250707B1 (de) | 1973-11-14 | 1973-11-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5089299A true JPS5089299A (de) | 1975-07-17 |
JPS5320279B2 JPS5320279B2 (de) | 1978-06-26 |
Family
ID=9127691
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13041274A Expired JPS5320279B2 (de) | 1973-11-14 | 1974-11-12 |
Country Status (12)
Country | Link |
---|---|
JP (1) | JPS5320279B2 (de) |
CA (1) | CA1033537A (de) |
CS (1) | CS202542B2 (de) |
DD (1) | DD115096A5 (de) |
DE (1) | DE2453864C3 (de) |
ES (1) | ES431944A1 (de) |
FR (1) | FR2250707B1 (de) |
GB (1) | GB1442229A (de) |
IT (1) | IT1025618B (de) |
SE (1) | SE403766B (de) |
SU (1) | SU656496A3 (de) |
ZA (1) | ZA747275B (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005298467A (ja) * | 2004-04-12 | 2005-10-27 | Kojundo Chem Lab Co Ltd | 高純度テトラキスジメチルアミノハフニウムとその製造方法およびそれを用いたゲート絶縁膜の製造方法。 |
JP2008506037A (ja) * | 2004-07-09 | 2008-02-28 | コンパニー ウーロペアンヌ デュ ジルコニアン セズ | ジルコニウム及びハフニウムの精製方法 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4072506A (en) * | 1975-10-17 | 1978-02-07 | Teledyne Industries, Inc. | Method of separating hafnium from zirconium |
JPS56154327U (de) * | 1980-04-19 | 1981-11-18 | ||
FR2543162A1 (fr) * | 1983-03-24 | 1984-09-28 | Cezus Co Europ Zirconium | Procede de separation de zrcl4 d'avec hfcl4 par distillation extractive permettant d'eliminer l'aluminium apporte par le solvant |
US4913778A (en) * | 1989-01-02 | 1990-04-03 | Westinghouse Electric Corp. | Molten salt scrubbing of zirconium or hafnium tetrachloride |
FR2813877B1 (fr) | 2000-09-11 | 2002-12-06 | Cezus Cie Europ Du Zirconium | Procede de separation de metaux tels que le zirconium et l'hafnium |
FR2823740B1 (fr) * | 2001-04-18 | 2004-02-06 | Cezus Co Europ Zirconium | Procede de separation des tetrachlorures de zirconium et de hafnium |
FR2963339B1 (fr) * | 2010-08-02 | 2012-09-14 | Centre Nat Rech Scient | Procede de separation des tetrachlorures de zirconium et d'hafnium de leurs melanges |
RU2567430C2 (ru) * | 2013-12-04 | 2015-11-10 | Открытое акционерное общество "Чепецкий механический завод" (ОАО ЧМЗ) | Способ коррозионной защиты оборудования, работающего в среде расплава хлоралюмината калия. |
RU2689744C1 (ru) * | 2018-02-13 | 2019-05-28 | Акционерное общество "Чепецкий механический завод" | Способ очистки смеси тетрахлоридов циркония и гафния от примесей |
RU2745521C1 (ru) * | 2020-09-11 | 2021-03-25 | Акционерное общество "Чепецкий механический завод" | Способ повышения эффективности ректификационного разделения тетрахлоридов циркония и гафния |
-
1973
- 1973-11-14 FR FR7340395A patent/FR2250707B1/fr not_active Expired
-
1974
- 1974-11-11 SE SE7414141A patent/SE403766B/xx not_active IP Right Cessation
- 1974-11-11 CS CS747661A patent/CS202542B2/cs unknown
- 1974-11-12 IT IT29329/74A patent/IT1025618B/it active
- 1974-11-12 JP JP13041274A patent/JPS5320279B2/ja not_active Expired
- 1974-11-13 ZA ZA00747275A patent/ZA747275B/xx unknown
- 1974-11-13 SU SU742078379A patent/SU656496A3/ru active
- 1974-11-13 DD DD182329A patent/DD115096A5/xx unknown
- 1974-11-13 CA CA213,627A patent/CA1033537A/en not_active Expired
- 1974-11-13 DE DE2453864A patent/DE2453864C3/de not_active Expired
- 1974-11-14 ES ES431944A patent/ES431944A1/es not_active Expired
- 1974-11-14 GB GB4928374A patent/GB1442229A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005298467A (ja) * | 2004-04-12 | 2005-10-27 | Kojundo Chem Lab Co Ltd | 高純度テトラキスジメチルアミノハフニウムとその製造方法およびそれを用いたゲート絶縁膜の製造方法。 |
JP4562169B2 (ja) * | 2004-04-12 | 2010-10-13 | 株式会社高純度化学研究所 | Hf系酸化物ゲート絶縁膜のプリカーサーの精製方法 |
JP2008506037A (ja) * | 2004-07-09 | 2008-02-28 | コンパニー ウーロペアンヌ デュ ジルコニアン セズ | ジルコニウム及びハフニウムの精製方法 |
JP2013212984A (ja) * | 2004-07-09 | 2013-10-17 | Compagnie Europeenne Du Zirconium Cezus | ジルコニウム及びハフニウムの精製方法 |
Also Published As
Publication number | Publication date |
---|---|
AU7527274A (en) | 1976-05-13 |
ZA747275B (en) | 1976-04-28 |
ES431944A1 (es) | 1976-10-16 |
SE7414141L (de) | 1975-05-15 |
SE403766B (sv) | 1978-09-04 |
CA1033537A (en) | 1978-06-27 |
JPS5320279B2 (de) | 1978-06-26 |
GB1442229A (en) | 1976-07-14 |
DE2453864B2 (de) | 1978-05-11 |
DE2453864A1 (de) | 1975-05-28 |
FR2250707A1 (de) | 1975-06-06 |
DE2453864C3 (de) | 1979-01-11 |
CS202542B2 (en) | 1981-01-30 |
DD115096A5 (de) | 1975-09-12 |
FR2250707B1 (de) | 1978-11-03 |
SU656496A3 (ru) | 1979-04-05 |
IT1025618B (it) | 1978-08-30 |