发明名称 |
PROCESS FOR THE SEPARATION OF COLLOIDAL BARIUM PHOSPHATE OR COLLOIDAL BARIUM SODIUM PHOSPHATE |
摘要 |
The invention relates to a process for the separation of colloidal barium phosphate or colloidal barium sodium phosphate, used as a heterogeneous catalyst in the alkoxylation of an active hydrogen containing organic compound, from the alkoxylated product, which comprises contacting the alkoxylated product with an amount of water sufficient to break the colloidal state of the barium phosphate or barium sodium phosphate, and collecting the phosphate. |
申请公布号 |
US5175374(A) |
申请公布日期 |
1992.12.29 |
申请号 |
US19920905613 |
申请日期 |
1992.06.29 |
申请人 |
SHELL OIL COMPANY |
发明人 |
WIJNGAARDEN, RUDOLF J.;LATJES, KEES;VAN SCHAIK, JAN |
分类号 |
C01B25/32;C01B25/45;C07C41/40;C08G65/30 |
主分类号 |
C01B25/32 |
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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