发明名称 |
Process for cleaning polymer processing equipment |
摘要 |
The present invention pertains to a process for cleaning polymeric processing equipment. The process comprises purging the polymer processing equipment with a composition comprising a polymer, a mild abrasive and a sulfonated surfactant.
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申请公布号 |
US4838948(A) |
申请公布日期 |
1989.06.13 |
申请号 |
US19870078338 |
申请日期 |
1987.07.27 |
申请人 |
PHILLIPS PETROLEUM COMPANY |
发明人 |
BAILEY, FAY W. |
分类号 |
B08B9/032;B29C47/08;C11D1/12;C11D3/12;C11D3/37 |
主分类号 |
B08B9/032 |
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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