| (19) |
 |
|
(11) |
EP 0 134 643 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
30.12.1986 Bulletin 1986/52 |
| (43) |
Date of publication A2: |
|
20.03.1985 Bulletin 1985/12 |
| (22) |
Date of filing: 29.06.1984 |
|
|
| (84) |
Designated Contracting States: |
|
DE FR GB |
| (30) |
Priority: |
08.07.1983 JP 12319383
08.07.1983 JP 12319483
|
| (71) |
Applicant: Solex Research Corporation of Japan |
|
() |
|
| (72) |
Inventors: |
|
- Watanabe, Morio
()
- Nishimura, Sanji
()
|
|
| |
|
| (54) |
Preparing metallic zirconium, hafnium or titanium |
(57) Metallic zirconium, hafnium or titanium is prepared by bringing a fluorine-containing
compound thereof into contact with heated metallic aluminium or magnesium, to convert
the fluorine-containing compound into the corresponding metal.