| 发明名称 |
BLANKETING MOLTEN NON-FERROUS METALS AND ALLOYS WITH GASES HAVING REDUCED GLOBAL WARMING POTENTIAL |
| 摘要 |
An improved method of processing a molten non-ferrous metal and alloys of sa id metal using a blanketing gas having a global warming potential is provided. The improvement involves reducing said global warming potential of said blanketi ng gas by blanketing said molten non-ferrous metal and alloys with a gaseous mixture including at least one compound selected from the group consisting of SO2F2, NF3, SO2CLF, SOF2, SOF4, NOF and SF4.
|
| 申请公布号 |
CA2333517(C) |
申请公布日期 |
2004.01.20 |
| 申请号 |
CA20012333517 |
申请日期 |
2001.02.01 |
| 申请人 |
AIR PRODUCTS AND CHEMICALS, INC. |
发明人 |
WOYTEK, ANDREW JOSEPH;HEFFRON, JAMES FRANCIS;HOBBS, JOHN PETER |
| 分类号 |
B22D45/00;B22D11/04;C22B9/00;C22B9/16;C22B21/06;C22B26/22;(IPC1-7):C22B9/05 |
主分类号 |
B22D45/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
