| 申请日期 | 2025-06-24 | 申请号 | EP09756684 |
| 公开（公告）号 | EP2356203B1 | 公开（公告）日 | 2013-05-29 |
| 公开国别 | EP | 申请人省市代码 | 全国 |
| 申请人 | ENI S p A | ||
| 简介 | Improved process for the synthesis of oil dispersions of overbased salts containing cerium and an alkaline earth metal, comprising the treatment of an oil dispersion of cerium salts of organic acids with a hydroxide or an oxide of an alkaline earth metal and subsequently subjecting said overbased dispersion to carbonation with carbon dioxide, characterized in that said carbonation is carried out in two or more subsequent steps. | ||
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