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公开(公告)号：US5981288A
公开(公告)日：1999-11-09
申请号：US949318
申请日：1997-10-14
CPC分类号： G01N33/2805 , Y10T436/163333 , Y10T436/173845 , Y10T436/182 , Y10T436/200833 , Y10T436/201666 , Y10T436/203332 , Y10T436/25375
摘要： The present invention provides for a method and system for determining the concentration of a surfactant in a transparent hydrocarbon by performing the steps of adding a solid to the hydrocarbon; adding a second masking reagent to the hydrocarbon; mixing to form a dispersion; separating the dispersion from the mixture; and measuring the optical absorption of the dispersion.
摘要翻译： 本发明提供了一种通过以下步骤确定透明烃中的表面活性剂的浓度的方法和系统：向烃中加入固体; 向所述烃中加入第二掩蔽试剂; 混合形成分散体; 从混合物中分离分散体; 并测量分散体的光吸收。
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2.发明申请Methods and compositions for improving stability of biodiesel and blended biodiesel fuel 审中-公开提高生物柴油和混合生物柴油燃料稳定性的方法和组合物公开(公告)号：US20090094887A1
公开(公告)日：2009-04-16
申请号：US11974799
申请日：2007-10-16
CPC分类号： C10L1/143 , C10L1/1616 , C10L1/1832 , C10L1/238
摘要： Methods and compositions for improving stability of biodiesel fuel. The methods comprise adding to said biodiesel fuel, an effective amount of a combined treatment that includes a (I) hindered phenol and (II) a Mannich reaction product. The compositions comprise I and II dissolved or dispersed in an organic solvent.
摘要翻译： 改善生物柴油燃料稳定性的方法和组合物。 所述方法包括向所述生物柴油燃料中加入有效量的包含（I）受阻酚和（II）曼尼希反应产物的组合处理。 组合物包含溶解或分散在有机溶剂中的I和II。
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公开(公告)号：US07204927B2
公开(公告)日：2007-04-17
申请号：US10289875
申请日：2002-11-07
申请人： Nancy R. Calvert
发明人： Nancy R. Calvert
IPC分类号： C07C7/10
CPC分类号： B01D21/01 , C10G29/205 , C10G29/24
摘要： A treatment for accelerating the settling of finely divided solids in hydrocarbon fluids, including adding to the hydrocarbon a sufficient settling amount of a combination of at least two of (a) a quaternary fatty ammonium compound, (b) a hetero-atom punctuated fatty polymer and (c) an alkylphenol-formaldehyde resin alkoxylate.
摘要翻译： 一种用于加速烃类流体中细碎固体沉降的处理方法，包括向烃中加入足够的沉降量的（a）季脂肪铵化合物，（b）杂原子穿刺脂肪聚合物 和（c）烷基酚 - 甲醛树脂烷氧基化物。
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公开(公告)号：US07048847B2
公开(公告)日：2006-05-23
申请号：US10357239
申请日：2003-02-03
申请人： Nancy R. Calvert
发明人： Nancy R. Calvert
CPC分类号： B01D21/01 , C10G29/22 , C10G29/24 , C10G31/00 , C10G2300/1033 , C10G2300/301
摘要： A treatment for accelerating the settling of finely divided solids in hydrocarbon fluids, including adding to the hydrocarbon a sufficient settling amount of a combination of (a) a polyacrylic acid adducted alkylphenol-formaldehyde resin alkoxylate compound, and (b) an alkylphenol-formaldehyde resin alkoxylate having a molecular weight of about 500 to about 5,000.
摘要翻译： 包括向烃中加入足够沉降量的（a）聚丙烯酸加合的烷基酚 - 甲醛树脂烷氧基化合物和（b）烷基酚 - 甲醛树脂的组合的处理 烷氧基化物，其分子量为约500至约5,000。
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