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1. 发明授权

US5164517A Process for preparing fluoropolyethers and perfluoropolyethers having neutral or functional end groups and a controlled molecular weight 失效
标题翻译：制备具有中性或功能性端基和受控分子量的氟聚醚和全氟聚醚的方法
公开(公告)号：US5164517A
公开(公告)日：1992-11-17
申请号：US647084
申请日：1991-01-29
申请人： Giuseppe Marchionni , Guglielmo Gregorio , Ugo De Patto , Mario Padovan
发明人： Giuseppe Marchionni , Guglielmo Gregorio , Ugo De Patto , Mario Padovan
IPC分类号： C08G65/22 , C07C43/12 , C07D319/12 , C08G65/00 , C08G65/30 , C08G65/32 , C08G65/321 , C08G65/324
CPC分类号： C08G65/321 , C07C43/126 , C07D319/12 , C08G65/007 , C08G65/30 , C08G65/324
摘要： This invention relates to a process for preparing fluoropolyethers and perfluoropolyethers having neutral and/or functional end groups and a lower molecular weight by a selective catalytic cleavage of the corresponding higher molecular weight fluoropolyethers and perfluoropolyethers, characterized in that said cleavage is carried out by operating in the presence of a catalyst system consisting of a combination of silicon dioxide with at least an oxide, a fluoride or an oxyfluoride of a metal selected from Al, Ti, V, Cr, Co. Fe, Ni, Mo, Zn, Cu, Cd, Mn, Sb, Sn, Zr, Sc, Y, La and homologs thereof, Pb, Mg, W.
摘要翻译：本发明涉及通过选择性催化切割相应的较高分子量含氟聚醚和全氟聚醚来制备具有中性和/或官能端基和较低分子量的氟代聚醚和全氟聚醚的方法，其特征在于所述的切割是通过在存在由二氧化硅与至少一种氧化物的组合，选自Al，Ti，V，Cr，Co，Fe，Ni，Mo，Zn，Cu，Cd中的金属的氟化物或氟氧化物组成的催化剂体系，Mn，Sb，Sn，Zr，Sc，Y，La及其同系物，Pb，Mg，W

2. 发明授权

US5120866A Process for oxidizing fluorinated olefins and catalysts useful for the purpose 失效
标题翻译：用于氧化氟化烯烃和用于目的的催化剂的方法
公开(公告)号：US5120866A
公开(公告)日：1992-06-09
申请号：US686290
申请日：1991-04-16
申请人： Arsenio Castellan , Guglielmo Gregorio , Mario Padovan
发明人： Arsenio Castellan , Guglielmo Gregorio , Mario Padovan
IPC分类号： C07D301/08 , B01J29/035 , C07D303/48
CPC分类号： B01J29/035 , C07D303/48
摘要： A process for oxidizing fluorinated olefins to the corresponding epoxides by reacting a fluoroolefin with oxygen in a concentration, in the reaction mixture, ranging from 1 to 60% by volume, at a temperature up to 250.degree. C. and in the presence of a catalyst consisting of porous silicon dioxide in a crystalline form, with a high purity degree and carrying metal oxides of the first transition series, or copper oxides or lanthanide oxides or mixtures thereof.
摘要翻译：通过氟代烯烃与氧气的反应，反应混合物中的浓度范围为1至60体积％，温度高达250℃，催化剂存在下，将氟化烯烃氧化成相应的环氧化物由结晶形式的多孔二氧化硅组成，具有高纯度并承载第一转变系列的金属氧化物，或铜氧化物或镧系元素氧化物或其混合物。

3. 发明授权

US4918194A Process for the synthesis of a N,N-dialkyl-hydroxylamine 失效
标题翻译：合成N，N-二烷基 - 羟胺的方法
公开(公告)号：US4918194A
公开(公告)日：1990-04-17
申请号：US262354
申请日：1988-10-25
申请人： Paolo Roffia , Sergio Tonti , Alberto Cesana , Maria Angela Mantegazza , Mario Padovan
发明人： Paolo Roffia , Sergio Tonti , Alberto Cesana , Maria Angela Mantegazza , Mario Padovan
IPC分类号： C07D295/22 , B01J29/035 , B01J29/04 , C07B43/00 , C07B61/00 , C07C239/08 , C07D295/24
CPC分类号： C07D295/24 , Y02P20/582
摘要： The invention relates to a process for the synthesis of an N,N-dialkyl-hydroxylamine by reaction of the corresponding dialkylamine with H.sub.2 O.sub.2, said reaction being carried out in the presence of a catalyst based on titanium-silicalite.

4. 发明授权

US4794198A Catalytic process for the manufacture of oximes 失效
公开(公告)号：US4794198A
公开(公告)日：1988-12-27
申请号：US59536
申请日：1987-06-08
申请人： Paolo Roffia , Mario Padovan , Giuseppe Leofanti , Maria A. Mantegazza , Giordano De Alberti , Giorgio R. Tauszik
发明人： Paolo Roffia , Mario Padovan , Giuseppe Leofanti , Maria A. Mantegazza , Giordano De Alberti , Giorgio R. Tauszik
IPC分类号： B01J29/04 , B01J29/00 , B01J29/89 , C07B61/00 , C07C67/00 , C07C239/00 , C07C249/04 , C07C251/32 , C07C131/04
CPC分类号： C07C249/04 , B01J29/89 , C07C2101/14
摘要： The invention concerns a catalytic process for the manufacture of oximes by reaction, in the liquid phase, of the corresponding carbonylic compounds with NH.sub.3 and H.sub.2 O.sub.2, in which process the catalyst is substantially consisting of a crystalline material with a zeolitic structure containing silicon and titanium, subjected, before use, to an activating treatment with H.sub.2 O.sub.2.

5. 发明授权

US4525466A Process for synthetizing zeolites having a mordenite structure and having high catalytic activity 失效
标题翻译：合成具有丝光沸石结构并具有高催化活性的沸石的方法
公开(公告)号：US4525466A
公开(公告)日：1985-06-25
申请号：US444355
申请日：1982-11-24
申请人： Enrico Moretti , Valentino Zamboni , Raymond Le Van Mao , Mario Padovan , Marcello Solari
发明人： Enrico Moretti , Valentino Zamboni , Raymond Le Van Mao , Mario Padovan , Marcello Solari
IPC分类号： B01J29/18 , C01B39/26 , C07C5/27 , C07C6/12
CPC分类号： C07C6/123 , B01J29/18 , C01B39/265 , C07C5/2737 , C07C2529/20 , Y02P20/52 , Y10S423/25
摘要： A process for synthetizing mordenites having a high catalytic activity, in which the SiO.sub.2 :Al.sub.2 O.sub.3 molar ratio ranges from 16 to 40, said process comprising the step of mixing an organic base with H.sub.2 O and with at least a Na compound, an Al compound, and a Si compound, wherein said base is a diethyl-piperidinium compound and wherein the crystallization temperature of mordenite and the SP factor are selected within area A B C D of FIG. 1, the crystallization time being longer than two days.
摘要翻译：一种合成具有高催化活性的丝光沸石的方法，其中SiO 2 :Al 2 O 3摩尔比为16至40，所述方法包括将有机碱与H 2 O和至少Na化合物，Al化合物和 Si化合物，其中所述碱是二乙基哌啶鎓化合物，并且其中丝光沸石的结晶温度和SP因子在图1的区域ABCD内选择。 1，结晶时间长于两天。

6. 发明授权

US4414412A Process for the preparation of unsaturated carboxylic acids by the catalytic oxidation in gaseous phase of the corresponding aldehydes and catalyst used in said process 失效
标题翻译：通过在所述方法中使用的相应醛和催化剂的气相中的催化氧化制备不饱和羧酸的方法
公开(公告)号：US4414412A
公开(公告)日：1983-11-08
申请号：US629985
申请日：1975-11-07
申请人： Giordano DeAlberti , Romano Covini , Mario Padovan , Giancarlo Battiston , Guido Petrini
发明人： Giordano DeAlberti , Romano Covini , Mario Padovan , Giancarlo Battiston , Guido Petrini
IPC分类号： B01J23/00 , B01J23/30 , B01J23/68 , C07B61/00 , C07C51/00 , C07C51/25 , C07C57/055 , C07C67/00 , C07C51/26 , B01J23/22 , B01J23/28
CPC分类号： B01J23/687 , B01J23/30 , C07C51/252
摘要： A process is disclosed for the preparation of acrylic acid or methacrylic acid by reacting in vapor phase acrolein or methacrolein with molecular oxygen or with an oxygen-containing gas, at a temperature between 200.degree. and 350.degree. C., in the presence of a solid catalyst and with a contact time between 0.5 and 5 seconds, characterized in that said catalyst consists of molybdenum, vanadium, tungsten, one or more of the elements selected from the class consisting of silver, titanium, chromium, cerium, lanthanum and tantalum, and oyxgen chemically combined with the above-indicated elements, and wherein the atomic ratios between the various elements present in the catalyst are represented by the empirical formula:Mo.sub.12 V.sub.a W.sub.b X.sub.c O.sub.dwhereinX represents one or more of the elements Ag, Ti, Cr, Ce, La, Ta;a varies between 0.5 and 10;b varies between 0.5 and 8;c varies between 0.1 and 3 for X=Ag and from 0.3 to 4 for each of the elements Ti, Cr, Ce, La, Ta; with the further proviso that if X consists of 2 or more elements, then their sum shall not exceed 8 atoms; andd is a number that satisfies the valency requirements of the other elements.The catalyst may be carried on a support, and the reaction may be carried out in the presence of an inert gaseous diluent or water vapor.
摘要翻译：公开了一种通过气相丙烯醛或甲基丙烯醛与分子氧或含氧气体在200-350℃的温度下在固体存在下反应来制备丙烯酸或甲基丙烯酸的方法催化剂，接触时间在0.5至5秒之间，其特征在于所述催化剂由钼，钒，钨，选自银，钛，铬，铈，镧和钽中的一种或多种元素组成，以及氧化合物与上述元素化学结合，并且其中存在于催化剂中的各种元素之间的原子比由经验式表示：Mo12VaWbXcOd其中X表示元素Ag，Ti，Cr，Ce，La中的一种或多种， Ta a在0.5和10之间变化; b在0.5和8之间变化; 对于X = Ag，c在0.1和3之间变化，并且对于元素Ti，Cr，Ce，La，Ta中的每一种，c为0.3至4; 进一步的条件是，如果X由2个或更多个元素组成，那么它们的和不得超过8个原子; 且d为满足其他要素的化合价要求的数。催化剂可以承载在载体上，反应可以在惰性气体稀释剂或水蒸汽的存在下进行。

7. 发明授权

US4146732A Process for preparing unsaturated carboxylic acids by the catalytic oxidation in the gas phase of the corresponding aldehydes 失效
标题翻译：通过催化氧化在相应的二氧化碳气相中制备不饱和羧酸的方法
公开(公告)号：US4146732A
公开(公告)日：1979-03-27
申请号：US797671
申请日：1977-05-17
申请人： Mario Padovan , Giancarlo Battiston , Francesco Pignataro , Giordano DeAlberti , Giuseppe Leofanti
发明人： Mario Padovan , Giancarlo Battiston , Francesco Pignataro , Giordano DeAlberti , Giuseppe Leofanti
IPC分类号： B01J23/847 , B01J23/00 , B01J23/88 , B01J23/882 , B01J37/04 , C07B61/00 , C07C51/00 , C07C51/25 , C07C57/055 , C07C67/00 , C07C51/32 , C07C57/04
CPC分类号： B01J23/8877 , C07C51/252 , B01J2523/00
摘要： A process is disclosed for preparing unsaturated carboxylic acids consisting essentially in reacting in the vapor phase an unsaturated aldehyde with molecular oxygen or an oxygen-containing gas, at a temperature ranging from 200.degree. to 370.degree. C., in the presence of a solid catalyst, with a contact time between 0.5 and 5 seconds, characterized in that the catalyst consists essentially of molybdenum, vanadium, cobalt, and optionally tungsten, these elements being chemically combined with oxygen and the atomic ratios of the elements being represented by the empirical formula Mo.sub.12 V.sub.a W.sub.b Co.sub.c O.sub.dA is between 1.5 and 3.0;B is between 0 and 0.5;C is between 3.5 and 5.5; andD is a number sufficient to satisfy the valences of the other elements,Said catalyst being prepared starting from aqueous solutions of soluble salts of the elements composing it, by the coprecipitation method. Preferably, the coprecipitation is effected at a pH ranging from 2 to 5 and at a temperature between 20.degree. and 90.degree. C., by adding to a first solution containing cobalt in the form of the nitrate, a second solution containing molybdenum, vanadium, and optionally also tungsten, in the form of ammonium salts. The catalyst may be deposited on a carrier. Acrolein may be oxidized to acrylic acid, or methacrolein oxidized to methacrylic acid.

8. 发明授权

US4113769A Process for preparing unsaturated carboxylic acids by gas phase catalytic oxidation of the corresponding aldehydes 失效
标题翻译：通过气相催化氧化相应的醛制备不饱和羧酸的方法
公开(公告)号：US4113769A
公开(公告)日：1978-09-12
申请号：US734248
申请日：1976-10-20
申请人： Mario Padovan , Giordano De Alberti , Giancarlo Battiston , Romano Covini
发明人： Mario Padovan , Giordano De Alberti , Giancarlo Battiston , Romano Covini
IPC分类号： C07B61/00 , B01J23/00 , C07C51/00 , C07C51/25 , C07C57/055 , C07C67/00 , C07C51/32
CPC分类号： C07C51/252
摘要： A process is disclosed for preparing acrylic acid or methacrylic acid comprising reacting in vapor phase acrolein or methacrolein (respectively) with molecular oxygen or an oxygen-containing gas, at a temperature between 200.degree. and 350.degree. C, in the presence of a solid catalyst, and with a contact time between 0.5 and 5 seconds, characterized in that the solid catalyst comprises molybdenum, vanadium, tungsten, cobalt, chromium and oxgyen chemically combined with these elements, the atomic ratios among the aforesaid elements being represented by the empirical formula: Mo.sub.12 V.sub.a W.sub.b Co.sub.c Cr.sub.d O.sub.e, wherein:a is between 0.5 and 10,b is between 0.5 and 8,c is between 1 and 6,d is between 0.1 and 3, ande is a number sufficient to satisfy the valence requirements of the other elements;And with the further proviso that a+b+c is equal to or greater than 8.5. The catalyst is preferably used while on a carrier, and the reaction is preferably carried out in the presence of an inert gaseous diluent or water vapor.
摘要翻译：公开了一种制备丙烯酸或甲基丙烯酸的方法，包括在200至350℃的温度下，在固体催化剂存在下，将气相丙烯醛或甲基丙烯醛（分别）与分子氧或含氧气体反应并且接触时间在0.5至5秒之间，其特征在于固体催化剂包括与这些元素化学结合的钼，钒，钨，钴，铬和氧，上述元素中的原子比由经验式表示： Mo12 VaWbCocCrdOe，其中：

9. 发明授权

US5320819A Direct catalytic process for the production of hydroxylamine 失效
标题翻译：直接催化工艺生产羟胺
公开(公告)号：US5320819A
公开(公告)日：1994-06-14
申请号：US907679
申请日：1992-07-02
申请人： Maria A. Mantegazza , Mario Padovan , Guido Petrini , Paolo Roffia
发明人： Maria A. Mantegazza , Mario Padovan , Guido Petrini , Paolo Roffia
IPC分类号： B01J21/06 , B01J29/03 , B01J29/04 , B01J29/89 , C01B21/14 , C01B21/20
CPC分类号： B01J21/063 , B01J29/89 , C01B21/1409
摘要： Direct catalytic process for the production of hydroxylamine by means of the oxidation of ammonia with H.sub.2 O.sub.2, wherein the catalyst is composed of silicon, titanium and oxygen and has a crystalline (as in the case of titanium-silicalites, for example) or amorphous structure.
摘要翻译：通过用H 2 O 2氧化氨来生产羟胺的直接催化方法，其中催化剂由硅，钛和氧组成，并具有结晶（如在钛 - 硅沸石的情况下）或无定形结构。

10. 发明授权

US5041652A Method for the preparation of a catalyst for the ammoximation of carboxylic compound 失效
标题翻译：制备羧酸化合物氨肟化催化剂的方法
公开(公告)号：US5041652A
公开(公告)日：1991-08-20
申请号：US584394
申请日：1990-09-17
申请人： Mario Padovan , Giordano De Alberti , Paolo Roffia
发明人： Mario Padovan , Giordano De Alberti , Paolo Roffia
IPC分类号： B01J29/04 , B01J29/89 , C01B37/00 , C01B39/02 , C07B61/00 , C07C249/04 , C07C251/42
CPC分类号： C07C249/04 , B01J29/89 , C01B37/005 , C07C2101/14
摘要： The present invention relates to a method of preparing a catalyst for the ammoximation of carboxylic compounds, consisting of a synthetic, crystaline and porous material based on silicon and titanium oxides, characterized in that a preformed matrix of amorphous silica is impregnated with an aqueous solution, containing a titanium compound and an organic compound of nitrogen, as a templating agent, and that to the thus impregnated material a zeolitic structure is given by means of a hydrothermal synthesis of usual type, shape and size of the matrix being substantially maintained unchanged.

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