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    Process for distillation of crude isocyanate concentrates
    6.
    发明授权
    Process for distillation of crude isocyanate concentrates 失效
    粗异氰酸酯浓缩物的蒸馏方法

    公开(公告)号：US5786506A

    公开(公告)日：1998-07-28

    申请号：US986878

    申请日：1992-12-04

    Applicant: Stephen A. Dibiase ,  Larry W. Arndt ,  Gregory M. Stansfield ,  Louis A. Renbaum

    Inventor： Stephen A. Dibiase ,  Larry W. Arndt ,  Gregory M. Stansfield ,  Louis A. Renbaum

    IPC: C07C263/20 ,  C07C251/00

    CPC classification number: C07C263/20 ,  C07C2101/14

    Abstract: A process is described for the separation and recovery of isocyanate monomers from isocyanate concentrates which leaves a residue which is liquid and burnable. The process for the separation and recovery of isocyanate monomers from isocyanate concentrates formed in the production of isocyanates and comprising a volatile isocyanate monomer and by-products comprises the steps of: (A) preparing a mixture comprising (A-1) the isocyanate concentrate; and (A-2) an oil solution comprising; (A-2-a) a major amount of hydrocarbon oil, and (A-2-b) a minor amount of at least one ashless dispersant; and (B) heating the mixture to an elevated temperature at reduced pressure whereby isocyanate monomer is distilled and recovered leaving a liquid residue. The presence of the oil solution in the mixture facilitates the distillation of the isocyanate concentrate, generally improves the yield of distilled isocyanate monomer, results in a residue which is liquid and easily removed from the distillation apparatus, and the liquid residue can generally be burned without difficulty.

    Abstract translation: 描述了从异氰酸酯浓缩物分离和回收异氰酸酯单体的方法，其留下液体和可燃的残余物。 在异氰酸酯制备异氰酸酯浓缩物中分离和回收异氰酸酯单体并包含挥发性异氰酸酯单体和副产物的方法包括以下步骤：（A）制备包含（A-1）异氰酸酯浓缩物的混合物; 和（A-2）油溶液，其包含： （A-2-a）主要量的烃油和（A-2-b）少量的至少一种无灰分散剂; 和（B）在减压下将混合物加热至高温，由此异氰酸酯单体被蒸馏和回收，留下液体残余物。 混合物中的油溶液的存在促进了异氰酸酯浓缩物的蒸馏，通常提高了蒸馏的异氰酸酯单体的产率，导致液体并容易从蒸馏装置中除去的残余物，并且液体残余物通常可以在没有 困难。

    Lubricating Oil Composition and Method of Improving Efficiency of Emissions Control System
    9.
    发明申请
    Lubricating Oil Composition and Method of Improving Efficiency of Emissions Control System 审中-公开
    润滑油组成及提高排放控制系统效率的方法

    公开(公告)号：US20110245116A1

    公开(公告)日：2011-10-06

    申请号：US12373527

    申请日：2007-07-13

    Applicant: Calvin W. Schroeck ,  Melody A. Wilk ,  Stephen A. DiBiase

    Inventor： Calvin W. Schroeck ,  Melody A. Wilk ,  Stephen A. DiBiase

    IPC: C10M137/10 ,  C10M133/44

    CPC classification number: C10M135/10 ,  C10M163/00 ,  C10M2207/289 ,  C10M2215/064 ,  C10M2215/28 ,  C10M2219/022 ,  C10M2219/06 ,  C10M2223/045 ,  C10M2227/062 ,  C10N2210/02 ,  C10N2230/02 ,  C10N2230/38 ,  C10N2240/10

    Abstract: The disclosed technology relates to a lubricating oil composition comprising at least one base oil and at least one overbased low molecular weight zinc dialkyldithiophosphate derived from one or more dithiophosphoric acids represented by the formula (I) and/or a metal salt thereof, wherein in formula (I), R1 and R2 are independently hydrocarbyl groups, the average total number of carbon atoms in R1 and R2 in formula (I) being in the range from 4 to 10, the metal ratio of the overbased low molecular weight zinc dialkyldithiophosphate being at least about 1.15:1, the lubricating oil composition being characterized by a phosphorus concentration of up to about 0.12% by weight. The disclosed technology also relates to a method of lubricating an internal combustion engine and improving the efficiency of the emissions control system of the engine.

    Abstract translation: 所公开的技术涉及一种润滑油组合物，其包含至少一种基础油和衍生自由式（I）表示的一种或多种二硫代磷酸和/或其金属盐的至少一种高碱性低分子量二烷基二硫代磷酸锌，其中在式 （I）中，R 1和R 2独立地为烃基，式（I）中R 1和R 2中的平均总碳原子数为4至10，高碱性低分子量二烷基二硫代磷酸锌的金属比为 至少约1.15:1，所述润滑油组合物的特征在于磷浓度高达约0.12重量％。 所公开的技术还涉及一种润滑内燃机并提高发动机的排放控制系统的效率的方法。

    Process for preparing sintered shapes and compositions used therein
    10.
    发明授权
    Process for preparing sintered shapes and compositions used therein 失效
    制备烧结形状和组合物的方法

    公开(公告)号：US5527624A

    公开(公告)日：1996-06-18

    申请号：US417500

    申请日：1995-04-05

    Applicant: William Higgins ,  Fred E. Heller ,  Reed H. Walsh ,  Ralph E. Kornbrekke ,  Stephen A. DiBiase

    Inventor： William Higgins ,  Fred E. Heller ,  Reed H. Walsh ,  Ralph E. Kornbrekke ,  Stephen A. DiBiase

    IPC: C04B35/632 ,  B32B27/32

    CPC classification number: C04B35/632 ,  Y10T428/31504 ,  Y10T428/31938

    Abstract: The invention relates to a process for preparing sintered shapes, comprising the steps of:(1) forming a green body from a mixture comprising a major amount of at least one inorganic powder; and one or more additives selected from the group consisting of: (A) at least one reaction product of a hydroxy compound with a carboxylic acylating agent; (B) at least one Mannich reaction product; (C) at least one hydrocarbyl-substituted amine; (D) at least one aminophenol; (E) at least one reaction product of a nitrophenol and amino compound; (F) at least one basic nitrogen-containing polymer; (G) at least one carboxylic acylating agent; (H) at least one aromatic acid or derivative thereof; (I) at least one aromatic oxime; and (J) at least one overbased or gelled overbased metal salt of an acidic organic compound provided that when the carboxylic acylating agent is a hydrocarbyl-substituted carboxylic acylating agent and the hydrocarbyl group contains less than an average of 40 carbon atoms, then the carboxylic acylating agent is a polycarboxylic acylating agent; and(2) sintering the body. Sintered shapes made from the compositions of the present invention have relatively high fired densities and grain sizes; and relatively low pore volume.

    Abstract translation: 本发明涉及一种制备烧结形状的方法，包括以下步骤：（1）从包含大量至少一种无机粉末的混合物中形成生坯体; 和一种或多种选自以下的添加剂：（A）羟基化合物与羧酸酰化剂的至少一种反应产物; （B）至少一种曼尼希反应产物; （C）至少一种烃基取代的胺; （D）至少一种氨基苯酚; （E）硝基苯酚和氨基化合物的至少一种反应产物; （F）至少一种碱性含氮聚合物; （G）至少一种羧酸酰化剂; （H）至少一种芳族酸或其衍生物; （I）至少一种芳族肟; 和（J）酸性有机化合物的至少一种高碱性或胶凝高碱性金属盐，条件是当羧酸酰化剂是烃基取代的羧基酰化剂且烃基含有少于40个碳原子的平均值时， 酰化剂是多羧酸酰化剂; 和（2）烧结身体。 由本发明组合物制成的烧结形状具有较高的烧制密度和晶粒尺寸; 和相对较低的孔体积。

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