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21 条记录 (耗时 0.017 秒)

    Process for the synthesis of 2,2,2-trifluoroethanol
    4.
    发明授权
    Process for the synthesis of 2,2,2-trifluoroethanol 失效
    合成2,2,2-三氟乙醇的方法

    公开(公告)号：US4658070A

    公开(公告)日：1987-04-14

    申请号：US854103

    申请日：1986-04-21

    申请人： Bernard Cheminal ,  Henri Mathais

    发明人： Bernard Cheminal ,  Henri Mathais

    IPC分类号： C07C29/132 ,  B01J23/00 ,  B01J23/74 ,  C07B61/00 ,  C07C27/00 ,  C07C29/141 ,  C07C31/38 ,  C07C67/00

    CPC分类号： C07C29/141

    摘要： The process for synthesizing 2,2,2-trifluoroethanol by liquid phase catalytic hydrogenation of a compound of formula: ##STR1## in which R is a hydrogen atom or a linear or branched alkyl radical containing from 1 to 8 carbon atoms and optionally partially fluorinated, comprising carrying out the hydrogenation in the presence of a nickel catalyst and in the presence of an aliphatic tertiary amine as a cocatalyst.

    摘要翻译： 通过液相催化氢化下式化合物（I）的方法，其中R是氢原子或含有1至8个碳原子的直链或支链烷基，和 任选地部分氟化，包括在镍催化剂的存在下和作为助催化剂的脂肪族叔胺的存在下进行氢化。

    Synthesis of chloropentafluoroethane
    5.
    发明授权
    Synthesis of chloropentafluoroethane 失效
    氯五氟乙烷的合成

    公开(公告)号：US4745236A

    公开(公告)日：1988-05-17

    申请号：US931365

    申请日：1986-11-14

    申请人： Robert Azerad ,  Bernard Cheminal ,  Henri Mathais

    发明人： Robert Azerad ,  Bernard Cheminal ,  Henri Mathais

    IPC分类号： C07C19/12 ,  B01J27/00 ,  B01J27/12 ,  B01J27/125 ,  C07B61/00 ,  C07C17/00 ,  C07C17/20 ,  C07C67/00 ,  C07C19/08

    CPC分类号： B01J27/125 ,  C07C17/206

    摘要： The invention relates to a gas phase process for the manufacture of chloropentafluoroethane by the action of hydrofluoric acid on dichlorotetrafluoroethane in the presence of a catalyst, the said catalyst being prepared by reacting, in a gaseous phase, an alumina in which the sodium oxide content is below 300 ppm and the volume of the pores having a radius equal to 40 angstroms or above is greater than 0.7 cm.sup.3 /g, with hydrofluoric acid or with a mixture of hydrofluoric acid and of air, nitrogen or a fluorinated compound.

    摘要翻译： 本发明涉及在催化剂存在下，通过氢氟酸在二氯四氟乙烷上的作用制备氯五氟乙烷的气相方法，所述催化剂是通过使气相中氧化钠含量为 低于300ppm，并且具有等于40埃或以上的半径的孔的体积大于0.7cm 3 / g，与氢氟酸或氢氟酸与空气，氮气或氟化合物的混合物。

    Catalytic process for the preparation of hexafluoroacetone
    6.
    发明授权
    Catalytic process for the preparation of hexafluoroacetone 失效
    用于制备六氟丙酮的催化方法

    公开(公告)号：US4579974A

    公开(公告)日：1986-04-01

    申请号：US679185

    申请日：1984-12-07

    申请人： Bernard Cheminal ,  Henri Mathais

    发明人： Bernard Cheminal ,  Henri Mathais

    IPC分类号： B01J21/04 ,  B01J23/00 ,  B01J23/26 ,  B01J27/00 ,  C07B61/00 ,  C07C45/00 ,  C07C45/63 ,  C07C49/167 ,  C07C67/00

    CPC分类号： C07C45/63

    摘要： Disclosed is a continuous catalytic process for the preparation of hexafluoroacetone comprising reacting in a first fluorination step a mixture of hydrofluoric acid and a chlorofluoroacetones recyclate, then in a second fluorination step, a mixture containing the effluent issuing from the first step and fresh hexachlorofluoroacetone, on a catalyst comprising gamma alumina impregnated with chromium sesquioxide Cr.sub.2 O.sub.3 in an amount of 1.5 to 4 atoms of chromium per liter of alumina and activated between 300.degree. C. and 400.degree. C. by means of a mixture of hydrofluoric acid and 1,1,2-trichloro-1,2,2-trifluoro-ethane.

    摘要翻译： 公开了用于制备六氟丙酮的连续催化方法，包括在第一氟化步骤中使氢氟酸和氯氟丙酮再循环的混合物反应，然后在第二氟化步骤中，将含有从第一步产生的流出物和新鲜六氯氟丙酮的混合物在 催化剂，其包含浸渍有三氧化二铬Cr2O3的γ氧化铝，其量为每升氧化铝1.5至4原子铬，并在300℃和400℃之间通过氢氟酸和1,1,2 - 三氯-1,2,2-三氟乙烷。

    Catalytic process for the preparation of trifluoroacetaldehyde
    7.
    发明授权
    Catalytic process for the preparation of trifluoroacetaldehyde 失效
    用于制备三氟乙醛的催化方法

    公开(公告)号：US4579976A

    公开(公告)日：1986-04-01

    申请号：US679196

    申请日：1984-12-07

    申请人： Bernard Cheminal ,  Henri Mathais

    发明人： Bernard Cheminal ,  Henri Mathais

    IPC分类号： B01J23/00 ,  B01J23/26 ,  B01J27/00 ,  C07B61/00 ,  C07C45/00 ,  C07C45/63 ,  C07C47/14 ,  C07C67/00

    CPC分类号： C07C45/63

    摘要： There is disclosed a continuous catalytic process for the preparation of trifluoroacetaldehyde through fluorination in the gaseous phase of trichloroacetaldehyde in a single reaction zone at a temperature between 230.degree. C. and 260.degree. C., on a catalyst comprising a gamma alumina impregnated by Cr.sub.2 O.sub.3 in an amount of 1.5 to 4 atoms of chromium per liter of alumina and activated at a temperature between 300.degree. C. and 400.degree. C. by a mixture of hydrofluoric acid and 1,1,2-trichloro-1,2,2-trifluoro-ethane.

    摘要翻译： 公开了在230℃至260℃之间的温度在单一反应区中，在三氯乙醛的气相中氟化制备三氟乙醛的连续催化方法，该催化剂包含由Cr 2 O 3浸渍的γ氧化铝 每升氧化铝含量为1.5至4原子的铬，并在300℃至400℃的温度下，通过氢氟酸和1,1,2-三氯-1,2,2-三氟 乙烷。

    Process for the preparation of hydrazine compounds
    8.
    发明授权
    Process for the preparation of hydrazine compounds 失效

    公开(公告)号：US3978049A

    公开(公告)日：1976-08-31

    申请号：US433710

    申请日：1974-01-16

    申请人： Jean-Pierre Schirmann ,  Pierre Tellier ,  Henri Mathais ,  Francis Weiss

    发明人： Jean-Pierre Schirmann ,  Pierre Tellier ,  Henri Mathais ,  Francis Weiss

    IPC分类号： C07D213/42 ,  B01J21/00 ,  B01J23/00 ,  C07B43/00 ,  C07B61/00 ,  C07C20060101 ,  C07C67/00 ,  C07C241/00 ,  C07C251/76 ,  C07C251/82 ,  C07C251/84 ,  C07C251/86 ,  C07C251/88 ,  C07D213/53 ,  C07C109/00

    CPC分类号： C07C251/88 ,  C07C249/16

    摘要： This invention relates to a method for preparing an azine of the formula ##EQU1## wherein R.sub.1 and R.sub.2, which may be the same or different, represent a hydrogen atom or a straight alkyl radical of from 1 to 12 carbon atoms, a branched alkyl or cycloalkyl radical of 3 to 12 carbon atoms, or a hydrocarbon radical of from 6 to 12 carbon atoms containing a benzene, naphthalene, or pyridine aromatic ring or R.sub.1 and R.sub.2 together form a straight or branched alkylene radical of 3 to 11 carbon atoms, one of which may be replaced by an oxygen atom, all of the above being unsubstituted or substituted with chlorine, bromine, or fluorine atoms, or ethylene, nitro, hydroxy, alkoxy, carboxylic or percarboxylic acid, amide, nitrile, or carboxylic ester groups, or a mixture of an azine of formula (I) and a hydrazone of the formula ##EQU2## wherein R.sub.1 and R.sub.2 are as defined above and R.sub.3 and R.sub.4, which may be the same or different, represent a straight alkyl radical of from 1 to 12 carbon atoms, a branched alkyl or cycloalkyl radical of 3 to 12 carbon atoms, or a hydrocarbon radical of from 6 to 12 carbon atoms containing a benzene, naphthalene, or pyridine aromatic ring or R.sub.1 and R.sub.2 together form a straight or branched alkylene radical of 3 to 11 carbon atoms, one of which may be replaced by an oxygen atom, all of the above being unsubstituted or substituted by chlorine, bromine, fluorine, or iodine atoms, or hydroxy, ether oxide, carboxylic acid, carboxylic ester, nitrile, nitro, or sulphonic acid or amide groups or one of the two radicals R.sub.3 and R.sub.4 can represent a hydrogen atom, which comprises reacting hydrogen peroxide with ammonia or with a mixture of ammonia and primary or secondary amine of the formula ##EQU3## wherein R.sub.3 and R.sub.4 are as defined above, in the presence of a carbonyl compound of the formula ##EQU4## wherein R.sub.1 and R.sub.2 are as defined above, and a catalyst containing selenium.

    Stable mixtures of chlorofluorocarbons and solvents and their use as heat transfer fluids
    9.
    发明授权
    Stable mixtures of chlorofluorocarbons and solvents and their use as heat transfer fluids 失效
    氯氟烃和溶剂的稳定混合物及其作为传热流体的用途

    公开(公告)号：US4612133A

    公开(公告)日：1986-09-16

    申请号：US752167

    申请日：1985-07-03

    申请人： Rene Bertocchio ,  Bernard Genest ,  Henri Mathais

    发明人： Rene Bertocchio ,  Bernard Genest ,  Henri Mathais

    IPC分类号： C09K5/04

    CPC分类号： C09K5/047

    摘要： Compositions for use as fluids in absorption heat pumps, which compositions comprise a chlorofluoro-hydrocarbon heat exchange fluid, an amide or glycol-ether solvent vehicle, and at least one metal salt of an alkylarylsulfonate which stabilizes the fluid against decomposition, together with use of the compositions in absorption heat pumps.

    摘要翻译： 用作吸收式热泵中的流体的组合物，该组合物包含氯氟烃热交换流体，酰胺或二醇醚溶剂载体，以及烷基芳基磺酸盐的至少一种金属盐，其使流体不会分解，并使用 吸收式热泵组成。

    Method for preparing symmetrical and unsymmetrical ketazines and mixtures thereof
    10.
    发明授权
    Method for preparing symmetrical and unsymmetrical ketazines and mixtures thereof 失效
    制备对称和不对称的喹的方法及其混合物

    公开(公告)号：US3972874A

    公开(公告)日：1976-08-03

    申请号：US531058

    申请日：1974-12-09

    申请人： Henri Mathais ,  Jean-Pierre Schirmann ,  Francis Weiss

    发明人： Henri Mathais ,  Jean-Pierre Schirmann ,  Francis Weiss

    IPC分类号： C07C109/00

    CPC分类号： C07C251/88

    摘要： The invention relates to a method for preparing symmetrical ketazines of the formula ##EQU1## and unsymmetrical ketazines of the formula ##EQU2## and mixtures of ketazines (I), (II) and (IV) and (I), (III) and (V) wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 each is a straight chain alkyl radical of from 1 to 12 carbon atoms, a branched chain alkyl radical or cycloalkyl radical of from 3 to 12 carbon atoms, or a phenyl radical, the aforesaid radicals being unsubstituted or substituted with radicals which are stable in the medium in which the ketazines are prepared; and in which case R.sup.1 and R.sup.2 can be the same or different radicals, and R.sup.3 and R.sup.4 are radicals different from each other and are each a radical different from R.sup.1 and R.sup.2 ; or R.sup.1 and R.sup.2, or R.sup.1 and R.sup.3, or R.sup.3 and R.sup.4 of either or both the ##EQU3## moieties together form a cyclic or substituted cyclic radical of from 3 to 11 carbon atoms in the ring, which comprises:A. oxidizing a secondary alcohol of the formula ##EQU4## alone or together with a different secondary alcohol of the formula ##EQU5## or ##EQU6## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 each has the same meaning as defined above, the oxidation to be carried out in the liquid phase employing molecular oxygen or a gaseous mixture containing the same, at a temperature and pressure which is sufficient to maintain the alcohol or alcohols in the liquid phase and result in a liquid phase mixture containing the peroxidic products of the auto-oxidation of the alcohol (VI) or the alcohols (VI) and (VII) or (VI) and (VIII);b. reacting the peroxidic products with ammonia in the presence of cyanogen or a nitrile R.sup.5 (CN).sub.n (IX) wherein n is an integer of from 1 to 6 and R.sup.5 is an unsubstituted or substituted saturated aliphatic, acyclic, or cyclic radical of from 1 to 12 carbon atoms or a phenyl or pyridinyl radical to result in the ketazine (I) or the mixture of ketazines (I), (II) and (IV) or (I), (III) and (V); andC. recovering the ketazine or mixture of ketazines.

    摘要翻译： 本发明涉及一种制备式R1R1对称的嗪酮的方法。方法C = NN = C ANGLE（I）R2R2 R1R1角度C = NN = C角度（II）R3R3 R3R3角度C = NN = C角度（III）R4R4和 式（R1）的非对称性的喹诺酮C = NN = C角度（IV）R2R3 R1R3角C = NN = C角（V）R2R4以及它们的混合物（I），（II）和（IV）和（I） III）和（V）其中R 1，R 2，R 3和R 4各自为具有1至12个碳原子的直链烷基，具有3至12个碳原子的支链烷基或环烷基，或苯基， 上述基团是未取代的或被其中制备该酮的培养基中稳定的基团取代; 并且在这种情况下，R 1和R 2可以是相同或不同的基团，并且R 3和R 4是彼此不同的基团，并且各自是与R 1和R 2不同的基团。 或R 1和R 2，或R 1和R 3，或任意一个或两个ANGLE C = N-部分的R 3和R 4一起形成在环中具有3至11个碳原子的环状或取代的环状基团，其包括：