| (19) |
 |
|
(11) |
EP 0 444 394 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
02.10.1991 Bulletin 1991/40 |
| (43) |
Date of publication A2: |
|
04.09.1991 Bulletin 1991/36 |
| (22) |
Date of filing: 02.01.1991 |
|
| (51) |
International Patent Classification (IPC)5: C23C 4/10 |
|
| (84) |
Designated Contracting States: |
|
CH DE FR GB IT LI |
| (30) |
Priority: |
29.01.1990 JP 16153/90
|
| (71) |
Applicant: SUGITANI KINZOKU KOGYO
KABUSHIKI KAISHA |
|
Tokyo (JP) |
|
| (72) |
Inventor: |
|
- Sugitani, Nobuhiro
Bunkyo-ku, Tokyo (JP)
|
| (74) |
Representative: Lesser, Karl-Bolko, Dipl.-Ing. |
|
Patentanwalt & European Patent Attorney
Gnesener Strasse 2
D-85276 Pfaffenhofen
D-85276 Pfaffenhofen (DE) |
|
| |
|
| (54) |
Ceramic spray coating material |
(57) A ceramic spray coating material comprising zirconia and yttria, wherein the purity
of a mixture of zirconia and yttria is 99,6% by weight or more is described.
This ceramic spray-coating material has an excellent bonding force, as compared to
the prior art material.