| 发明名称 |
Jewelling and ornamental material and process for production thereof. |
| 摘要 |
<p>A jewelling and ornamental material comprising many amorphous silica spheres regularly arranged in a three-dimensional array and a zirconium compound filled in pores existing among the amorphous silica spheres, the amount of the zirconium compound being 0.005 to 8 % by weight, as zirconium, based on the entire material; and a process for its production. This material has a play of colors inherent to natural opal, and excellent durability.</p> |
| 申请公布号 |
EP0141388(A2) |
申请公布日期 |
1985.05.15 |
| 申请号 |
EP19840112924 |
申请日期 |
1984.10.26 |
| 申请人 |
KYOCERA CORPORATION |
发明人 |
NAKANO, YUJI;KAMIYAMA, KAZUSHI;KOBAYASHI, TATUO |
| 分类号 |
A44C17/00;B44C3/00;B44C3/04;B44C5/00;B44F9/00;B44F9/04;C01B33/12;C04B35/14;C04B41/50;C04B41/65;C04B41/87;(IPC1-7):B44F9/00 |
主分类号 |
A44C17/00 |
| 代理机构 |
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代理人 |
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