发明名称 |
Calcium treatment of alkyl-tin stabilizers |
摘要 |
An alkyl-tin stabilizer composition is treated with a calcium compound to reduce the carboxylate content level of the stabilizer. |
申请公布号 |
US9227989(B2) |
申请公布日期 |
2016.01.05 |
申请号 |
US201414516615 |
申请日期 |
2014.10.17 |
申请人 |
Royal Group, Inc. |
发明人 |
Chambers Scott;Achiluzzi Davide;Turnbull Chris;Jankowski Anna |
分类号 |
C07F7/22 |
主分类号 |
C07F7/22 |
代理机构 |
Hunton & Williams, LLP |
代理人 |
Hunton & Williams, LLP |
主权项 |
1. A method comprising reacting an alkyl-tin stabilizer composition having a first level of carboxylate content with a calcium compound, filtering treated stabilizer composition and collecting filtered stabilizer composition with a second level of carboxylate content that is lower than the first level of carboxylate content. |
地址 |
Atlanta GA US |