专利名称：Dispersant lubricating oil additives发明人：Timothy R. Erdman申请号：US06/670520申请日：19841109公开号：US04548722A公开日：19851022
摘要：Dispersant lubricating oil additives are prepared by reacting oil- solubledispersant compositions containing at least one primary or secondary amino group withSO.sub.2.
申请人：CHEVRON RESEARCH COMPANY
代理人：S. R. LaPaglia,G. F. Swiss
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