| 发明名称 |
VERFAHREN ZUR HERSTELLUNG EINES STARREN ISOLIERENDEN FEUERFESTEN MATERIALS, UND VERFAHRENSGEMÄSS HERGESTELLTES MATERIAL. |
| 摘要 |
<p>A refractory ceramic material, including a porous base refractory material and a zirconia protective layer covering walls of pores of the porous base refractory material, wherein the refractory ceramic material has a porosity of not less than 80%, and the zirconia protective layer has a thickness not more than about 1 nanometer.</p> |
| 申请公布号 |
DE69103874(T2) |
申请公布日期 |
1995.01.12 |
| 申请号 |
DE1991603874T |
申请日期 |
1991.07.25 |
| 申请人 |
PRODUITS CELLULOSIQUES ISOLANTES-PROCELIS S.A., BOURGOIN JALLIEU, FR |
发明人 |
GRANDIN DE L'EPREVIER, ALAIN, F-03350 LE BRETHON, FR |
| 分类号 |
B22D11/10;B22D41/02;B22D41/32;B22D41/54;C04B41/50;C04B41/87;(IPC1-7):C04B41/87 |
主分类号 |
B22D11/10 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
