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39 条记录 (耗时 0.011 秒)

    Process for the purification of light paraffinic petroleum distillates
    2.
    发明授权
    Process for the purification of light paraffinic petroleum distillates 失效
    轻质石油馏分的纯化方法

    公开(公告)号：US3827974A

    公开(公告)日：1974-08-06

    申请号：US19038671

    申请日：1971-10-18

    申请人： LABOFINA SA

    发明人： AGA R ,  CAHEN R ,  DEBUS H

    IPC分类号： B01J23/40 ,  B01J23/42 ,  B01J37/02 ,  B01J37/03 ,  C10G45/52 ,  C10G23/02 ,  C10G23/04

    CPC分类号： B01J23/40 ,  B01J23/42 ,  B01J37/02 ,  B01J37/03 ,  C10G2400/02

    摘要： A CONTINUOUS PROCESS FOR THE PURIFICATION OF LIGHT PARAFFINIC FRACTION BOILING IN THE RANGE OF 25* TO 100*C. AND CONTAINING AS MAJOR PORTION STRAIGHT CHAIN PARAFFINS, BRANCHED PARAFFINS AND CYCLOPARAFFINS AND AS A MINOR PORTION AN IMPURITY SELECTED FROM THE GROUP CONSISTING OF AROMATIC HYDROCARBONS, SULPHUR-CONTAINING COMPOUNDS, NITROGEN-CONTAINING COMPOUNDS, AND OTHER NON--HYDROCARBON IMPURITIES, AND MIXTURES THEREOF, THE SULPHUR CONTENT BEING NO GREATER 500 P.P.M., SAID PROCESS COMPRISING: HYDROGENATION SAID LIGHT PARAFFINIC FRACTION AT A TEMPERATURE IN THE RANGE OF 150 TO 375*C., UNDER A PARTIAL PRESSURE OF HYDROGEN OF 10 TO 100 KG./CM.2, AT A S VELOCITY OF 0.5 TO 20 V./V./H. AND A HYDROGEN TO HYDROCARBON RATIO OF 100 TO 3,000 NM.3/M.3, IN THE PRESENCE OF A HYDROGENATING CATALYST CONTAINING BETWEEN 0.1 AND 2% OF PLATINUM ON A SILICA-ALUMINA CARRIER, SILICA BEING IN MAJOR QUANTITY, AND AT LEAST 30% OF THE PLATINUM BEING DISTRIBUTED ON THE CATALYST SURFACE WHICH IS ACCESSIBLE TO THE REACTANTS, FRACTIONATING THE PRODUCTS OF THE HYDROGENATION TO SEPARATE THE HYDROGENATED SULPHUR- AND NITROGEN-CONTAINING COMPOUNDS AND TO RECOVER A PARAFFINIC FRACTION SUBSTANTIALLY CONTAINING ONLY PARAFFINIC HYDROCARBONS WITH AN INCREASED CONTENT OF CYCLOPARAFFINS.

    Process for the production of manganic carboxylates
    4.
    发明授权
    Process for the production of manganic carboxylates 失效
    生产锰酸酯的方法

    公开(公告)号：US3755391A

    公开(公告)日：1973-08-28

    申请号：US3755391D

    申请日：1971-10-27

    申请人： LABOFINA SA

    发明人： BERTRAND J ,  VAERMAN J

    IPC分类号： C07C51/245 ,  C07C51/41 ,  C07F13/00

    CPC分类号： C07F13/005 ,  C07C51/245 ,  C07C51/412 ,  C07C53/10 ,  C07C53/122

    摘要： A PROCESS FOR THE PRODUCTION OF THE MANGANIC SALT OF AN ALIPHATIC CARBOXYLIC ACID, WHICH COMPRISES TREATING IN LIQUID PHASE BY AN OXYGEN CONTAINING GAS, A MANGANOUS COMPOUND FROM THE GROUP CONSISTING OF MANGANOUS SALT OF SAID CARBOXYLIC ACID, AMANGANOUS SALT OF A WEAKER THAN SAID CARBOXYLIC ACID, MANGANOUS OXIDE AND MANGANOUS HYDROXIDE, IN THE PRESENCE OF A KETONE HAVING THE FORMULA R-CO-R1, WHEREIN R IS AN ALIPHATIC OR AROMATIC RADICAL AND R1 IS AN ALIPHATIC RADICAL OR FORMS WITH R A CYCLOALKANE RADICAL, AND IN THE PRESENCE OF SAID CARBOXYLIC ACID OF WHICH SAID MANGANIC SALT IS A DERIVATIVE, AT A TEMPERATURE FROM 50 TO 130*C.

    Separation of aromatic compounds by forming clathrates with werner complexes of 2-arylalkylamines
    6.
    发明授权
    Separation of aromatic compounds by forming clathrates with werner complexes of 2-arylalkylamines 失效
    通过与2-芳基烷基胺的维纳络合物形成包合物来分离芳族化合物

    公开(公告)号：US3177266A

    公开(公告)日：1965-04-06

    申请号：US28242963

    申请日：1963-05-22

    申请人： LABOFINA SA

    发明人： RADZIT PIERRE MARIE JOSEPH GHI ,  VICTOR HANOTIER JACQUES DANIEL

    IPC分类号： B01J31/18 ,  C07C7/152 ,  C07C17/38 ,  C07C201/16 ,  C07F15/04

    CPC分类号： C07F15/045 ,  B01J31/1805 ,  B01J2531/847 ,  C07C7/152 ,  C07C17/395 ,  C07C211/27 ,  C07C15/00 ,  C07C15/02 ,  C07C25/08 ,  C07C25/10 ,  C07C22/08

    摘要： The invention comprises a Werner complex of the general formula Ni(SCN)2Xn which is insoluble or sparingly soluble, in water at room temperature, wherein X is an alpha-arylalkylamine of the formula in which R1 is either hydrogen or a primary alkyl group and R2 is a phenyl radical carrying at least two further alkyl substituents in any of the 3-, 4- and 5-positions, and n is either 2 or 4. Preferably R1 contains 1 to 6 carbon atoms and the alkyl substituents of the phenyl radical have not more than two carbon atoms. The complexes may be made, for example, by adding a solution of the arylalkylamine in heptane, or heptane-chloroform mixture, at room temperature to an aqueous solution obtained by dissolving NiCl2.6H2O and KSCN in water, and separating the resulting precipitate by filtration. The complexes may be used to form clathrates with aromatic compounds and the complex may be formed in the presence of the compound to be clathrated. The clathrate may be formed by heating a complex Ni(SCN)2X4 with one or more clathratable compounds to a temperature sufficient to bring about complete dissociation of the complex into Ni(SCN)2X2 and free amine, and then cooling to effect recombination of the dissociated components to form a clathrate consisting of Ni(SCN)2X4 and the clathratable compound. The complexes of the formula Ni(SCN)2X4 may be used to resolve a mixture of aromatic organic compounds containing at least one clathratable compound by forming a clathrate, separating the clathrate from the mixture and dissociating the clathrate to recover the organic compounds. The clathrate may be dissociated by heating, by treatment with an acid which does not react with the clathrated compound, by steam stripping or treatment with an inert solvent. Clathratable compounds which may be extracted or resolved are, for instance, a ,a ,a -tri -fluorotoluene, nitrobenzene, nitrotoluenes, di-, chlorobenzenes, trichlorobenzenes, cresols, and benzonitrile. Novel amines which are suitable for complex formation are a -(3,4-dimethyl phenyl) ethylamine and corresponding butylamine and heptylamine; a - (3,4,5 - trimethylphenyl) - ethylamine and - propylamine; a -(3,5 - dimethylphenyl) ethylamine and a -(3,4,5 - triethylphenyl) ethylamine. They may be made by reductive amination of the corresponding ketone, for example by heating the ketone with ammonium formate. Specifications 931,775, 935,099 and 945,012 are referred to.

    Purification of pyromellitic dianhydride
    8.
    发明授权
    Purification of pyromellitic dianhydride 失效
    均苯四酸二酐的纯化

    公开(公告)号：US3927039A

    公开(公告)日：1975-12-16

    申请号：US51980674

    申请日：1974-11-01

    申请人： LABOFINA SA

    发明人： DE HAULT EMMANUEL R E G DRAGUE ,  VAN TONGELEN MARCEL ,  DEBUS HENRI R

    IPC分类号： C07D307/89 ,  C07C51/573

    CPC分类号： C07C51/573 ,  C07C63/313

    摘要： A process for purifying pyromellitic dianhydride which comprises treating said dianhydride, containing impurities, with an alkylbenzene solvent having the general formula:

    WHEREIN R1 is a saturated aliphatic hydrocarbon radical containing from two to 20 carbon atoms, R2 is a saturated aliphatic radical containing from one to 20 carbon atoms and n is an integer between 0 and 5, the total number of the carbon atoms in R1 and R2 being less than 25, at a temperature between 0* and 280*C, separating the solid pyromellitic dianhydride from the liquid phase which contains alkylbenzene solvent and the impurities, and then evaporating said solvent which is contained in the pyromellitic dianhydride.

    摘要翻译： 一种纯化1,2,4,5-苯四酸二酐的方法，其包括用具有以下通式的烷基苯溶剂处理含有杂质的所述二酐：

    Process for the selective oxidation of ketones
    9.
    发明授权
    Process for the selective oxidation of ketones 失效
    科学选择性氧化的方法

    公开(公告)号：US3833625A

    公开(公告)日：1974-09-03

    申请号：US19319971

    申请日：1971-10-27

    申请人： LABOFINA SA

    发明人： BERTRAND J ,  VAERMAN J

    IPC分类号： C07C51/245 ,  C07C51/28

    CPC分类号： C07C51/245

    摘要： A PROCESS FOR THE OXIDATION OF KETONES IN THE LIQUID PHASE WHICH COMPRISES SUBJECTING AN ASYMMETRICAL KETONE R-CO-R'', WHERE R IS A PARAFFINIC OR OLEFINC HYDROCARBON RADICAL CONTAINING AT LEAST 2 CARBON ATOMS, SUBSTITUTED OR NOT, AND R'' IS A SATURATED ALIPHATIC RADICAL CONTAINING NOT MORE THAN 2 CARBON ATOMS, TO OXIDATION IN THE PRESENCE OF MOLECULAR OXYGEN AT A PARTIAL PRESSURE OF 0.1 TO 50 ATMOSPHERES AND IN THE PRESENCE OF A MANGANESE SALT, THE MOLAR RATIO OF MANGANIC SALT TO KETONE BEING HIGHER THAN 0.1, AT A TEMPERATURE FROM 20 TO 130*C., WITH THE SELECTIVE FORMATION OF THE ACID R-COOH WHEREIN R IS AS DEFINED ABOVE.