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    • 63. 发明授权
    • Processes for the preparation of 2-chloro-1,1,1,2,3,3,3-heptafluoropropane, hexafluoropropene and 1,1,1,2,3,3,3-heptafluoropropane
    • 制备2-氯-1,1,1,2,3,3,3-七氟丙烷,六氟丙烯和1,1,1,2,3,3,3-七氟丙烷的方法
    • US07129383B2
    • 2006-10-31
    • US10523223
    • 2003-08-21
    • Mario J. NappaVelliyur Nott Mallikarjuna RaoH. David RosenfeldSekhar SubramoneyMunirpallam A. SubramanianAllen C. Sievert
    • Mario J. NappaVelliyur Nott Mallikarjuna RaoH. David RosenfeldSekhar SubramoneyMunirpallam A. SubramanianAllen C. Sievert
    • C07C17/00C07C17/266C07C17/10
    • C07C19/08B01J23/26B01J23/866B01J35/002B01J37/0236B01J37/03B01J37/26C07C17/206C07C17/21C07C17/23C07C17/25C07C19/10C07C21/18
    • A process for the preparation of 2-chloro-1,1,1,3,3,3-heptafluoropropane is disclosed which involves (a) contacting a mixture comprising hydrogen fluoride, chlorine, and at least one starting material selected from the group consisting of halopropenes of the formula CX3CCI═CX2 and halopropanes of the formula the CX3CCIYCX3, wherein each X is independently F or Cl, and Y is H, Cl or F (provided that the number of X and Y which are F totals no more than six) with a chlorofluorination catalyst in a reaction zone to produce a product mixture comprising CF3CCIFCF3, HCI, HF. and underfluorinated halogenated hydrocarbon intermediates. The process is characterized by said chlorofluorination catalyst comprising at least one chromium-containing component selected from (i) a crystalline alpha-chromium oxide where at least 0.05 atom % of the chromium atoms in the alpha-chromium oxide lattice are replaced by nickel, trivalent cobalt or both nickel and trivalent cobalt, provided that no more than 2 atom % of the chromium atoms in the alpha-chromium oxide lattice are replaced by nickel and that the total amount of chromium atoms in the alpha-chromium oxide lattice that are replaced by nickel and trivalent cobalt is no more than 6 atom %, and (ii) a fluorinated crystalline oxide of (i). Also disclosed is a process for the manufacture of a mixture of HFC-227ea and hexafluoropropene by reacting a starting mixture comprising CFC-217ba and hydrogen in the vapor phase at an elevated temperature, optionally in the presence of a hydrogenation catalyst. This process involves preparing the CFC-217ba by the process described above.
    • 公开了一种制备2-氯-1,1,1,3,3,3-七氟丙烷的方法,其涉及(a)使包含氟化氢,氯和至少一种起始原料的混合物接触,所述起始材料选自 的式CX3CCI-CX2的卤代丙烯和式CX3CCIYCX3的卤代丙烷,其中每个X独立地为F或Cl,Y为H,Cl或F(条件是总计X不超过6的X和Y的数目 )与反应区中的氯氟化催化剂反应以产生包含CF 3 CClF 3,HCl,HF的产物混合物。 和不完全氟化的卤代烃中间体。 该方法的特征在于所述氯氟化催化剂包含至少一种含铬组分,其选自(i)α-氧化铬晶格中至少0.05原子%的铬原子被镍取代的结晶α-氧化铬,三价 钴或镍和三价钴,条件是α-铬氧化物晶格中不超过2原子%的铬原子被镍代替,并且α-氧化铬晶格中的铬原子的总量被 镍和三价钴不超过6原子%,和(ii)(i)的氟化结晶氧化物。 还公开了通过在升高的温度下,任选地在氢化催化剂存在下,使包含CFC-217ba和氢的起始混合物在气相中反应制备HFC-227ea和六氟丙烯的混合物的方法。 该方法包括通过上述方法制备CFC-217ba。
    • 64. 发明授权
    • Catalyst composition for oxychlorination
    • 用于氧氯化的催化剂组合物
    • US07126035B2
    • 2006-10-24
    • US10502056
    • 2003-02-04
    • Christian KuhrsRuprecht Meissner
    • Christian KuhrsRuprecht Meissner
    • C07C17/00C07C22/00
    • B01J27/138B01J21/04B01J23/8946B01J27/122B01J35/1014B01J35/1019B01J35/1038B01J35/1042B01J37/0201C07C17/156C07C19/045
    • The present invention relates to a catalyst composition for the oxychlorination of ethylene, comprising a mixture of metal salts on a support, where said metal salts are applied to the support in such ratios that the catalyst composition comprises a) from 3 to 12% by weight of copper as copper salt, b) from 0 to 3% by weight of an alkaline earth metal as alkaline earth metal salt, c) from 0 to 3% by weight of an alkaline metal as alkaline metal salt, d) from 0.001 to 0.1% by weight, preferably from 0.005 to 0.05% by weight, of at least one metal selected from the group consisting of ruthenium, rhodium, palladium, osmium, iridium and platinum, and/or from 0.0001 to 0.1% by weight, preferably from 0.001 to 0.05% by weight, of gold, as corresponding metal salt or tetrachloroauric acid, where all percentages by weight are based on the total weight of the catalyst including support material. The invention further provides a process for preparing 1,2-dichloroethane by oxychlorination of ethylene in the presence of the above catalyst composition as catalyst.
    • 本发明涉及用于乙烯氧氯化的催化剂组合物,其包含在载体上的金属盐的混合物,其中所述金属盐以这样的比例施加到载体上,使得催化剂组合物包含a)3至12重量% 的铜作为铜盐,b)0-3重量%的碱土金属作为碱土金属盐,c)0-3重量%的作为碱金属盐的碱金属,d)0.001至0.1 至少一种选自钌,铑,钯,锇,铱和铂的金属,和/或0.0001至0.1重量%,优选为0.001重量%,优选0.005至0.05重量% 至0.05重量%的金,作为相应的金属盐或四氯月桂酸,其中所有的重量百分数都是基于包括载体材料的催化剂的总重量。 本发明还提供了在上述催化剂组合物作为催化剂存在下,通过乙烯氧氯化制备1,2-二氯乙烷的方法。
    • 66. 发明申请
    • Process for production of iodine compounds and process for production of high-purity 5-iodo-2-methylbenzoic acid
    • 生产碘化合物的方法和生产高纯度5-碘-2-甲基苯甲酸的方法
    • US20060161028A1
    • 2006-07-20
    • US10545005
    • 2004-02-10
    • Toshio HidakaTakafumi YoshimuraYoshifumi SatoNorio FushimiMasaharu Doya
    • Toshio HidakaTakafumi YoshimuraYoshifumi SatoNorio FushimiMasaharu Doya
    • C07C17/00
    • C07C253/30C07B39/00C07C17/12C07C17/156C07C17/158C07C51/363C07C51/43C07C25/02C07C25/13C07C25/18C07C25/125C07C63/70C07C255/50
    • Provided is a production method for an iodine compound in which iodine is reacted with a substrate in the presence of a porous material having a pore diameter of 500 nm or less or in the presence of the above porous material and an oxidizing agent and a production process for high purity 5-iodo-2-methylbenzoic acid comprising an iodination reaction step carried out by the above-mentioned, a crystal precipitation and separation step in which a product is precipitated by adding water or cooling and then separated and a purification step in which crystal separated is recrystallized using an organic solvent. According to the production method for an iodine compound described above, iodine can be introduced into various substrates at a high selectivity. Since expensive metals and specific reagents do not have to be used, it can readily be carried out in an industrially scale, and the product having a high purity can be obtained. Further, the process comprising the iodination reaction, separation and purification steps described above makes it possible to readily obtain at a high yield, 5-iodo-2-methylbenzoic acid having a high purity which is useful in uses for functional chemical products such as medicines. The process of the present invention comprising iodination reaction, separation and purification steps is characterized by that it is simple in terms of a procedure and that the purification load is smaller, and it is very advantageous in industrially carrying out.
    • 提供一种碘化合物的制造方法,其中碘在孔径为500nm以下的多孔质材料的存在下,或者在上述多孔质材料和氧化剂的存在下,与基材反应,制造方法 包括通过上述进行的碘化反应步骤的高纯度5-碘-2-甲基苯甲酸,其中通过加入水或冷却然后分离产物而沉淀产物的晶体沉淀和分离步骤和纯化步骤,其中 使用有机溶剂重结晶晶体分离。 根据上述碘化合物的制造方法,能够以高选择性将碘引入各种基材中。 由于不需要使用昂贵的金属和特定试剂,因此可以容易地以工业规模进行,可以获得高纯度的产物。 此外,包括上述碘化反应,分离和纯化步骤的方法使得可以容易地以高产率获得具有高纯度的5-碘-2-甲基苯甲酸,其可用于诸如药物的功能性化学产品的用途 。 包括碘化反应,分离和纯化步骤的本发明方法的特征在于它在程序方面简单,净化负荷较小,在工业上非常有利。
    • 69. 发明授权
    • Catalytic conversion of hydrofluoroalkanol to hydrofluoroalkene
    • 氢氟烷醇催化转化成氢氟烯烃
    • US07026520B1
    • 2006-04-11
    • US11006922
    • 2004-12-08
    • Sudip MukhopadhyayHsuehSung TungHaridasan K. Nair
    • Sudip MukhopadhyayHsuehSung TungHaridasan K. Nair
    • C07C17/00C07C17/08C07C21/18C07C23/00C07C25/13
    • C07C17/00C07C17/25C07C21/18
    • Methane is used as the selective dehydrating agent for the production of 2,3,3,3-tetrafluoro-1-propene (R1234yf) from 2,2,3,3,3-pentafluoro-1-propanol. Supported transition metal catalysts are prepared and used for this reaction with high activity. Almost 58% selectivity to R1234yf is obtained at an alcohol conversion level of 60% using unsupported Ni-mesh as the catalyst. Pd and Pt show almost similar level of conversion; however, the selectivity to the desired product is low. The activity of the metal catalyst was found to be a function of the type of support material, activated carbon showing better activity than alumina. Different important process parameters such as temperature, pressure, and contact time are studied to optimize the process. High pressure and temperature are deleterious to the rate of 1234yf formation; yet, the highest yield to 1234yf is obtained while performing a reaction at 494° C. with a contact time of 23 sec.
    • 甲烷用作用于从2,2,3,3,3-五氟-1-丙醇生产2,3,3,3-四氟-1-丙烯(R1234yf)的选择性脱水剂。 制备负载型过渡金属催化剂,并以高活性用于该反应。 使用未负载的Ni-网作为催化剂,在60%的醇转化率下获得对R1234yf几乎58%的选择性。 Pd和Pt显示几乎相似的转化水平; 然而,对所需产物的选择性低。 发现金属催化剂的活性是支撑材料的类型的函数,活性炭表现出比氧化铝更好的活性。 研究了不同的重要工艺参数,如温度,压力和接触时间,以优化工艺。 高压和高温对于1234yf的形成是有害的; 然而,在494℃下以23秒的接触时间进行反应,获得了对1234yf的最高产率。