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    • 52. 发明申请
    • METHOD FOR REGENERATING LUBE OIL DISPERSANT
    • 再生油分散剂的方法
    • US20080227674A1
    • 2008-09-18
    • US12048847
    • 2008-03-14
    • Ronald P. RohrbachDaniel E. BausePeter D. Unger
    • Ronald P. RohrbachDaniel E. BausePeter D. Unger
    • C10M105/36C10M105/68
    • C10M175/0058C10M175/0008C10M2205/04C10M2207/283C10M2215/28C10M2217/043C10N2230/04C10M2209/086
    • A method of regenerating used dispersant incorporated into lubricating oil is provided. The method comprises the steps of supplying used lubricating oil having dispersant molecules suspending particulate matter into a regenerating chamber; releasing the particulate matter by creating a stress on the bond between the dispersant molecules and the suspended particulate matter; permitting the released particulate matter to agglomerate; removing the agglomerated particulate matter from the lubricating oil; and discharging the lubricating oil back to the engine. An alternative method comprises the steps of supplying used lubricating oil having non-metallic polymer dispersant molecules suspending particulate matter into a capturing chamber, the dispersant molecules having polar ends and non-polar tails; interacting the used lubricating oil with an oil-insoluble capturing composition having a binding affinity for the particulate matter that is greater than that of the polar ends of the dispersant molecules to displace the suspended particulate matter and bind the particulate matter to the capturing composition within the capturing chamber; and discharging the lubricating oil back to the engine.
    • 提供了将润滑油中使用的分散剂再生的方法。 该方法包括以下步骤:将具有将颗粒物质悬浮在再生室中的分散剂分子的已使用的润滑油; 通过在分散剂分子和悬浮颗粒物之间的键上产生应力来释放颗粒物质; 允许释放的颗粒物质聚集; 从所述润滑油中除去附聚的颗粒物质; 并将润滑油排出到发动机上。 一种替代方法包括以下步骤:将具有将颗粒物悬浮在捕获室中的非金属聚合物分散剂分子的已使用的润滑油,分散剂分子具有极性末端和非极性尾部; 使用的润滑油与对颗粒物质的结合亲和力大于分散剂分子的极性末端的结合亲和力的油不溶性捕获组合物相互作用以置换悬浮颗粒物质并将颗粒物质结合到捕获组合物内 捕获室; 并将润滑油排出到发动机上。
    • 60. 发明授权
    • Support matrix and immobilized enzyme system
    • 支持基质和固定化酶体系
    • US4525456A
    • 1985-06-25
    • US439958
    • 1982-11-08
    • Ronald P. Rohrbach
    • Ronald P. Rohrbach
    • C12N11/02C12N11/08C12N11/14
    • C12N11/02C12N11/08C12N11/14
    • A support matrix which immobilizes enzymes by ion exchange forces comprises a core support deposited on which is a functionalized polyethylenimine insoluble in water. Such support matrices may be prepared from a virtually limitless variety of core supports since the functionalized polyethylenimines of this invention show excellent adhesive properties even to smooth surfaces. Such support matrices are particularly useful where the enzyme to be immobilized has a rather limited inherent half-life. The functionalized polyethylenimine is a carboxylic acid amide of polyethylenimine, a sulfonic acid amide of polyethylenimine or polyalkylated polyethylenimine.
    • 通过离子交换力固定酶的载体基质包括沉积在其上的核心载体是不溶于水的官能化聚乙烯亚胺。 由于本发明的官能化聚乙烯亚胺显示出优异的粘合性能,即使对于光滑的表面,这种支撑基质可以由几乎无限多种核心载体制备。 当待固定的酶具有相当有限的固有半衰期时,这种支持基质是特别有用的。 官能化聚乙烯亚胺是聚乙烯亚胺的羧酸酰胺,聚乙烯亚胺的磺酸酰胺或多烷基化的聚乙烯亚胺。