process for suppressing foam formation in an aqueous system.

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专利权人:

发明人:

EDWARD P. BROWNE

申请号：

BR0316066

公开号：

BR0316066B1

申请日:

2003.11.03

申请国别(地区):

BR

年份:

2012

代理人:

摘要：

The present invention relates to a process for suppressing the foaming of an aqueous system which involves combining water and at least one defoamer composition which has a hydroxyl equivalent molecular weight of at least 4000 Da and a cloud point less than or equal to 30° C. in 1% aqueous solution.

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中国工程科技知识中心

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