专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

51. 发明授权

US5128384A Process for preparing organic glasses 失效
标题翻译：制备有机眼镜的方法
公开(公告)号：US5128384A
公开(公告)日：1992-07-07
申请号：US751648
申请日：1991-08-26
申请人： Fiorenzo Renzi , Franco Rivetti , Claudio Gagliardi , Ugo Romano
发明人： Fiorenzo Renzi , Franco Rivetti , Claudio Gagliardi , Ugo Romano
IPC分类号： C08F299/02 , C08F2/46 , C08F18/24 , C08F290/00 , C08F290/06 , C09D4/00 , C09J163/00 , C09J163/10 , G02B1/04
CPC分类号： C08F290/061 , C08F18/24 , G02B1/04
摘要： Organic glasses and surface coatings are prepared, with short hardening cycles, by submitting to the action of U.V. light a liquid polymerizable composition containing at least one di-(allyl carbonate) or poly(allyl carbonate) of a diol or polyol, a photoinitiator and a vinyl ester monomer and/or an organic peroxide.The composition can additionally contain small amounts of an organic compound selected from among those compounds which are used in the art in order to stabilize the organic polymers to the degrading action of U.V. light.The composition is preferably heated before being treated with U.V. light.
摘要翻译：制备有机玻璃和表面涂层，具有短的硬化周期，通过提交U.V.的作用。点亮含有二醇或多元醇，光引发剂和乙烯基酯单体和/或有机过氧化物的至少一种二（碳酸烯丙酯）或聚（碳酸烯丙酯）的液体可聚合组合物。该组合物可以另外含有少量的选自本领域中使用的那些化合物中的有机化合物，以便将有机聚合物稳定到紫外线的降解作用。光。组合物优选在用紫外线处理之前加热。光。

52. 发明授权

US4937216A Process for the epoxidation of olefinic compounds and catalysts used therein 失效
标题翻译：烯烃化合物和其中使用的催化剂的环氧化方法
公开(公告)号：US4937216A
公开(公告)日：1990-06-26
申请号：US305799
申请日：1989-02-02
申请人： Mario G. Clerici , Ugo Romano
发明人： Mario G. Clerici , Ugo Romano
IPC分类号： B01J29/04 , B01J29/89 , C07D301/12 , C07D303/04
CPC分类号： C07D301/12 , B01J29/89 , C07D303/04
摘要： A process for the epoxidation of olefinic compounds comprising reacting said compounds with hydrogen peroxide introduced as such or produced by substances under the reaction conditions, in the presence of synthetic zeolites containing titanium atoms corresponding to the general formula:x TiO.sub.2.(1-x)SiO.sub.2wherein x is in the range of from about 0.0001 to about 0.04, and optionally, in presence of one or more solvents, at a temperature in the range of from about 0.degree. to about 150.degree. C. and at a pressure of from about 1 to about 100 atm. The synthetic zeolites are treated with alkaline substances before and/or during their use in the reaction, or alternatively the synthetic zeolites are acid neutralized with a compound such as X-Si-(R).sub.3 where X is selected from Cl, Br, I, ##STR1## and an imidazolyl group wherein R is selected from an alkyl, aryl or alkylaryl group.

53. 发明授权

US4849170A Stainless steels stress corrosion inhibitors 失效
标题翻译：不锈钢应力腐蚀抑制剂
公开(公告)号：US4849170A
公开(公告)日：1989-07-18
申请号：US246732
申请日：1988-09-20
申请人： Franco Mizia , Franco Rivetti , Ugo Romano , Luigi Rivola , Giuseppe Civardi
发明人： Franco Mizia , Franco Rivetti , Ugo Romano , Luigi Rivola , Giuseppe Civardi
IPC分类号： C23F11/12 , C23F11/14
CPC分类号： C23F11/141
摘要： A composition of matter for inhibition of stress corrosion stainless steels in contact with aqueous and/or polar organic solutions which contain chloride ions and optionally cuprous ions, comprising an aqueous or polar organic solution of a member selected from the group consisting of quaternary ammonium alkylcarbonates and quaternary ammonium benzylcarbonates having the general formula: ##STR1##

54. 发明授权

US4743573A Catalyst for the selective decomposition of cumene hydroperoxide 失效
标题翻译：用于选择性分解氢过氧化枯烯的催化剂
公开(公告)号：US4743573A
公开(公告)日：1988-05-10
申请号：US854527
申请日：1986-04-22
申请人： Ugo Romano , Mario G. Clerici , Giuseppe Bellussi , Franco Buonomo
发明人： Ugo Romano , Mario G. Clerici , Giuseppe Bellussi , Franco Buonomo
IPC分类号： B01J29/86 , C07C37/08 , C07C45/53 , B01J29/06
CPC分类号： C07C37/08 , B01J29/86 , C07C45/53 , Y02P20/52
摘要： The present invention relates to a catalyst for the selective decomposition of cumene hydroperoxide, composed of zeolite crystals wherein a portion of the silicon atoms in the crystal lattice of silica is replaced by Al and B. The zeolite crystals are bonded to each other by a siliceous bonding agent which allows the catalyst to assume the shape of mechanically stable microspheres.The invention relates also to a process in which the catalyst is used, and to the related operating conditions.
摘要翻译：本发明涉及用于选择性分解氢过氧化枯烯的催化剂，其由沸石晶体组成，其中二氧化硅晶格中的一部分硅原子被Al和B代替。沸石晶体通过硅质粘合剂，其允许催化剂呈现机械稳定的微球的形状。本发明还涉及使用催化剂和相关操作条件的方法。

55. 发明授权

US4713433A Liquid and polymerizable composition suitable for the production of organic glasses endowed with high abrasion strength 失效
标题翻译：适用于生产具有高磨损强度的有机玻璃的液体和可聚合组合物
公开(公告)号：US4713433A
公开(公告)日：1987-12-15
申请号：US31437
申请日：1987-03-26
申请人： Fiorenzo Renzi , Franco Rivetti , Ugo Romano , Claudio Gagliardi
发明人： Fiorenzo Renzi , Franco Rivetti , Ugo Romano , Claudio Gagliardi
IPC分类号： C08F283/00 , C08F218/00 , C08F290/00 , C08F299/02 , G02B1/04 , C08F220/26
CPC分类号： C08F218/00 , G02B1/04
摘要： A liqid composition polymerizable under the influence of free-radical initiators to yield crosslinked polymers useful as organic glasses endowed with high abrasion strength, contains an oligomer allyl-carbonate with two end allyl groups, a monomer allyl-carbonate with at least four end allyl groups and possibly also one or more reactive diluents containing groups of allyl, vinyl or methacryl type.
摘要翻译：在自由基引发剂的作用下可聚合的可形成有机玻璃的交联聚合物的锂组合物含有具有两末端烯丙基的低聚物烯丙基 - 碳酸酯，具有至少四个末端烯丙基的单体烯丙基 - 碳酸酯以及可能还含有一种或多种含有烯丙基，乙烯基或甲基丙烯酸基团的反应性稀释剂。

56. 发明授权

US4701428A Catalyst of silicon and titanium having high mechanical strength and a process for its preparation. 失效
标题翻译：具有高机械强度的硅和钛催化剂及其制备方法。
公开(公告)号：US4701428A
公开(公告)日：1987-10-20
申请号：US854890
申请日：1986-04-23
申请人： Giuseppe Bellussi , Franco Buonomo , Antonio Esposito , Mario Clerici , Ugo Romano , Bruno Notari
发明人： Giuseppe Bellussi , Franco Buonomo , Antonio Esposito , Mario Clerici , Ugo Romano , Bruno Notari
IPC分类号： B01J29/89 , C07C37/60 , C07D301/12 , C07D303/04 , B01J21/06 , B01J35/08
CPC分类号： C07D303/04 , B01J29/89 , C07C37/60 , C07C41/26 , C07D301/12
摘要： The invention discloses a catalyst on the basis of silicon and titanium having the form of microspheres and constituted by oligomeric silica and by titanium-silicalite crystals having an oligomeric silica/titanium-silicalite molar ratio comprised within the range of from 0.05 to 0.11, wherein the crystals of titanium-silicalite are encaged by means of Si-O-Si bridges.
摘要翻译：本发明公开了一种基于硅和钛的催化剂，其具有微球的形式，由低聚二氧化硅和钛 - 硅沸石晶体组成，其中低硅石/钛 - 硅沸石摩尔比在0.05至0.11的范围内，其中钛硅质岩的晶体通过Si-O-Si桥结合。

57. 发明授权

US4659845A Process for the production of N-methylcarbamates 失效
标题翻译：生产N-甲基氨基甲酸酯的方法
公开(公告)号：US4659845A
公开(公告)日：1987-04-21
申请号：US731538
申请日：1985-05-07
申请人： Franco Rivetti , Franco Mizia , Guido Garone , Ugo Romano
发明人： Franco Rivetti , Franco Mizia , Guido Garone , Ugo Romano
IPC分类号： C07B61/00 , A61K20060101 , B01J31/00 , B01J31/02 , B01J31/12 , C07C20060101 , C07C67/00 , C07C227/02 , C07C239/00 , C07C241/00 , C07C265/04 , C07C269/02 , C07C269/04 , C07C271/10 , C07C271/44 , C07D307/86 , C07D317/14 , C07D317/44 , C07D317/46 , C07D317/64 , C07C125/067
CPC分类号： C07C269/04 , C07C263/04 , C07C269/02 , Y02P20/582
摘要： Process for the production of N-methylcarbamates: ##STR1## (wherein RO- is the radical of a substituted phenol or of a naphthol), wherein:in a first reaction step methylamine and diphenyl carbonate are reacted with each other, operating in the liquid phase and as a continuous process, in order to form phenol and phenyl-N-methylurethane;in a second reaction step phenyl-N-methylurethane, within the related reaction mixture outcoming from the first step, is thermally continuously decomposed, to yield a gaseous stream containing methyl isocyanate, from which the components different than methyl isocyanate are condensed off;in a third step the methyl isocyanate stream, outcoming from the second step, after an optional preliminary condensation, is continuously fed and contacted with a solution of a substituted phenol or of a naphthol in an inert organic solvent, containing a basic catalyst, to form N-methylcarbamate (I);N-methylcarbamate (I) is finally recovered from the reaction mixture outcoming from the third step.
摘要翻译：制备N-甲基氨基甲酸酯的方法：（I）（其中RO-是取代的苯酚或萘酚的基团），其中：在第一反应步骤中，甲胺和碳酸二苯酯彼此反应，操作在液相中并作为连续方法，以形成苯酚和苯基-N-甲基氨基甲酸酯; 在第二反应步骤中，将从第一步骤出来的相关反应混合物内的苯基-N-甲基氨基甲酸酯热分解，得到含有异氰酸甲酯成分的甲基异氰酸酯的气态物流; 在第三步骤中，在任选的预缩合之后，将来自第二步骤的异氰酸甲酯流连续进料并与取代的苯酚或萘酚在含有碱性催化剂的惰性有机溶剂中的溶液接触以形成 N-甲基氨基甲酸酯（I）; 最终从第三步骤的反应混合物中回收N-甲基氨基甲酸酯（I）。

58. 发明授权

US4514339A Process for preparing alkyl isocyanates 失效
标题翻译：烷基异氰酸酯的制备方法
公开(公告)号：US4514339A
公开(公告)日：1985-04-30
申请号：US608984
申请日：1984-05-10
申请人： Ugo Romano , Franco Rivetti , Giacomo Sasselli
发明人： Ugo Romano , Franco Rivetti , Giacomo Sasselli
IPC分类号： C07C265/04 , C07C20060101 , C07C67/00 , C07C69/00 , C07C241/00 , C07C249/00 , C07C263/00 , C07C263/04
CPC分类号： C07C263/04
摘要： Process for the production of alkyl isocyanates which can be defined by the general formula: R--N.dbd.C.dbd.O wherein R is an alkyl radical having from 1 to 4 carbon atoms by thermal decomposition of phenyl-N-alkyl urethans which can be defined by the general formula: ##STR1## wherein R has the above defined meaning. Said thermal decomposition is carried out without any substance having a catalytic activity being present in the decomposition reaction, by heating to a temperature of from 180.degree. C. to 210.degree. C. under the atmospherical pressure or a slightly reduced pressure, a mixture of phenol and phenyl-N-alkyl urethan, in a molar ratio of the former to the latter equal to or nearly equal to 1:1, removing by vaporization the phenol and the alkyl isocyanate from said vaporized products and maintaining in the reaction mixture, substantially throughout the thermal decomposition a molar ratio of phenol to phenyl-N-alkyl urethan not lower than about 1:1.
摘要翻译：制备烷基异氰酸酯的方法，其可以由通式RN = C = O定义，其中R是通过苯基-N-烷基氨基甲酸酯的热分解具有1至4个碳原子的烷基，其可以由通式：其中R具有上述定义的含义。所述热分解在没有任何具有催化活性的物质在分解反应中进行，通过在大气压或稍微减压下加热至180℃至210℃的温度，苯酚和苯基-N-烷基氨基甲酸酯以前者与后者的摩尔比等于或几乎等于1:1，通过蒸发从所述汽化产物中蒸发苯酚和异氰酸烷基酯并基本上保持在反应混合物中苯酚与N-烷基氨基甲酸酯的摩尔比热分解不低于约1：1。

59. 发明授权

US4358625A Method for the production of high-purity ethylene glycols 失效
标题翻译：生产高纯度乙二醇的方法
公开(公告)号：US4358625A
公开(公告)日：1982-11-09
申请号：US19109
申请日：1979-03-09
申请人： Alberto Paggini , Ugo Romano , Donato Furlone , Domenico Sanfilippo
发明人： Alberto Paggini , Ugo Romano , Donato Furlone , Domenico Sanfilippo
IPC分类号： C07C29/10 , C01B6/04 , C01D1/04 , C02F1/52 , C02F1/58 , C02F1/70 , C07C20060101 , C07C27/00 , C07C29/00 , C07C29/04 , C07C29/132 , C07C31/20 , C07C33/02 , C07C43/04 , C07C67/00
CPC分类号： C07C29/106
摘要： A method is disclosed for obtaining high-purity ethylene glycols in which the improvement consists in reducing the oxygen-containing organic impurities by treating their aqueous solutions as obtained during the processing of ethylene oxide with a solution of an alkali metal borohydride, sodium borohydride being preferred.A definitely alkaline environment is preferred. Ethylene glycols can thus be obtained which are particularly suitable for use in the fibre-manufacturing industry. Such glycols have extremely low UV-absorbance values.
摘要翻译：公开了一种用于获得高纯度乙二醇的方法，其中改进在于通过用碱金属硼氢化钠，硼氢化钠的溶液处理环氧乙烷处理过程中得到的水溶液来还原含氧有机杂质。绝对优质的碱性环境。因此可以获得特别适用于纤维制造业的乙二醇。这些二醇具有非常低的UV吸光度值。

60. 发明授权

US4254276A Process for the preparation of phenolic ethers 失效
标题翻译：酚醛树脂的制备方法
公开(公告)号：US4254276A
公开(公告)日：1981-03-03
申请号：US58949
申请日：1979-07-19
申请人： Giuseppe Iori , Ugo Romano
发明人： Giuseppe Iori , Ugo Romano
IPC分类号： C07C69/92 , B01J23/00 , B01J27/00 , B01J31/00 , C07B61/00 , C07C41/00 , C07C41/16 , C07C43/205 , C07C43/23 , C07C67/00 , C07C41/01
CPC分类号： C07C41/16 , C07C67/11
摘要： Phenolic ethers are prepared starting from phenol or a phenolic derivative and an alkyl carbonate which are reacted at a comparatively low temperature (below 160.degree. C.) and with good yield and selectivity by using a catalytic system composed by a base, preferably a tertiary amine, and by an iodide, either organic or inorganic.
摘要翻译：酚醚由苯酚或酚衍生物和碳酸烷基酯制备，它们在较低的温度（低于160℃）下反应，并且通过使用由碱，优选叔胺组成的催化体系，具有良好的产率和选择性，以及有机或无机的碘化物。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式