| 发明名称 |
Method for improving the colour stability of rosin resins. |
| 摘要 |
<p>The color stability of rosin esters and polymerized rosin is improved by heating in the presence of .05% to 5% sodium hydroxymethane sulfonate.</p> |
| 申请公布号 |
EP0440060(A1) |
申请公布日期 |
1991.08.07 |
| 申请号 |
EP19910100684 |
申请日期 |
1991.01.22 |
| 申请人 |
HERCULES INCORPORATED |
发明人 |
MINN, JAMES |
| 分类号 |
C08K5/42;C08K5/41;C08L93/00;C08L93/04;C09F1/04 |
主分类号 |
C08K5/42 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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