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1. 发明授权

US5432248A Thermotropic polyesterimide, a process for its preparation, and its use 失效
标题翻译：热致聚酯酰亚胺，其制备方法及其用途
公开(公告)号：US5432248A
公开(公告)日：1995-07-11
申请号：US44214
申请日：1993-04-07
申请人： Cesarina Bonfanti , Alessandro Lezzi , Ugo Pedretti , Arnaldo Roggero , Francesco P. La Mantia
发明人： Cesarina Bonfanti , Alessandro Lezzi , Ugo Pedretti , Arnaldo Roggero , Francesco P. La Mantia
IPC分类号： C08G73/16
CPC分类号： C08G73/16
摘要： A thermotropic polyesterimide, in which the liquid-crystalline phase is of nematic structure within a useful temperature range, consists of units of formula: ##STR1## the units being in the following ratios:a/(b+c)=1c/b=0-50/50, and preferably c/b
摘要翻译：液晶相在可用温度范围内为向列型结构的热致聚酯酰亚胺由下列单元组成：（a）图像（a）图像（b）图像（c）以下比例：a /（b + c）= 1c / b = 0-50 / 50，优选c / b <30/70本发明的聚酯酰亚胺具有自增强特性或传统热塑性材料的增强特性。

2. 发明授权

US5334695A Thermotropic copolyester, process for preparing it and use thereof in the preparation of vulcanized rubbers 失效
标题翻译：热致伸缩共聚酯，其制备方法及其在制备硫化橡胶中的用途
公开(公告)号：US5334695A
公开(公告)日：1994-08-02
申请号：US918548
申请日：1992-07-22
申请人： Arnaldo Roggero , Ugo Pedretti , Francesco P. La Mantia , Vincenzo Citta' , Alessandro Lezzi
发明人： Arnaldo Roggero , Ugo Pedretti , Francesco P. La Mantia , Vincenzo Citta' , Alessandro Lezzi
IPC分类号： C08G63/60 , C08L9/00 , C08L21/00 , C08L67/00 , C09K19/38 , C08G63/00 , C08G63/02
CPC分类号： C08L21/00 , C08G63/60 , C08L67/00 , C09K19/3809
摘要： A thermotropic copolyester, which displays a liquid-crystal phase of nematic type, within a desired temperature range, contains units deriving from:(a) a saturated, aliphatic dicarboxy acid;(b) 4,4'-dihydroxy-biphenyl and/or mono- or di-alkyl- or -alkenyl-derivatives thereof;(c) 4-hydroxy-benzoic acid and/or alkyl- or alkenyl-derivatives thereof.Such a copolyester improves the processability of unsaturation-containing elastomers and enhances the mechanical properties of subsequently vulcanized products.
摘要翻译：在期望的温度范围内显示向列型液晶相的热致共聚酯包含衍生自：（a）饱和的脂族二羧酸; （b）4,4'-二羟基 - 联苯和/或其单 - 或二 - 烷基 - 或烯基 - 衍生物; （c）4-羟基 - 苯甲酸和/或其烷基或链烯基衍生物。这种共聚酯改善了含不饱和基团的弹性体的加工性，并提高随后硫化产品的机械性能。

3. 发明授权

US5296638A Process for preparing carboxylated 2-allyl-phenols 失效
标题翻译：羧基化2-烯丙基苯酚的制备方法
公开(公告)号：US5296638A
公开(公告)日：1994-03-22
申请号：US932617
申请日：1992-08-20
申请人： Alessandro Lezzi , Arnaldo Roggero , Ugo Pedretti , Cesarina Bonfanti
发明人： Alessandro Lezzi , Arnaldo Roggero , Ugo Pedretti , Cesarina Bonfanti
IPC分类号： C07C51/347 , C07C51/09 , C07C65/03 , C07C65/105 , C07C69/92 , C07C54/40 , C07C65/01
CPC分类号： C07C69/92 , C07C51/09
摘要： An improved process for preparing carboxylated 2-allyl-phenols of general formula (I): ##STR1## is disclosed, which consists of a first step of simultaneous esterification and etherification of a carboxylated phenol, subsequent rearrangement of the resulting product to yield allyl-carboxylated allyl-phenol and end saponification of the latter into carboxylated 2-allyl-phenol.
摘要翻译：公开了一种制备通式（I）的羧化的2-烯丙基苯酚的改进方法：（*化学结构*）（I），其由羧化苯酚的同时酯化和醚化的第一步骤，随后的得到产物，得到烯丙基 - 羧化烯丙基苯酚，并将后者皂化成羧化的2-烯丙基苯酚。

4. 发明授权

US5357002A Polymer containing chelating groups, process for preparing it and its use in water purification 失效
标题翻译：含有螯合基团的聚合物，其制备方法及其在水中的应用
公开(公告)号：US5357002A
公开(公告)日：1994-10-18
申请号：US992716
申请日：1992-12-18
申请人： Alessandro Lezzi , Arnaldo Roggero , Sandra Cobianco
发明人： Alessandro Lezzi , Arnaldo Roggero , Sandra Cobianco
IPC分类号： C02F1/28 , C02F1/62 , C08F8/34 , C08F8/26 , C08F8/32 , C08F8/38
CPC分类号： C02F1/285 , C02F1/62 , C08F8/00 , C08F8/02 , C08F8/20 , C08F8/32 , C08F8/34 , C08F8/44 , C08F2810/20
摘要： Water insoluble polymers containing hydrophilic pendant moieties ending with a chelating group are disclosed. The polymers are useful in the purification of water polluted by heavy metals such as mercury and lead. The polymers have the general formula P--(--(--O--R).sub.n --(NH--Q).sub.p --F).sub.m where P is a polymeric matrix capable of reacting with a polyalkylene glycol or an alkylene oxide having such a structure and molecular weight as to be insoluble in water; R is either --CH.sub.2 CH.sub.2 -- or mixtures of --CH.sub.2 CH.sub.2 -- and --CH.sub.2 CH(CH.sub.3)--, with the molar ratio of both units in the mixture being at least 3:1; n is 3 to 50; m is a numeral such that the % by weight of all of the --(--(--O--R--).sub.n (NH--Q).sub.p --F hydrophilic chains is higher than 1% by weight of the total weight of (I); Q is a C.sub.2 -C.sub.6 difunctional aliphatic or aromatic hydrocarbon radical; p is 0 or 1; F is a chelating group selected from dithiocarbamate and methyl-thiourea when p is 1, or from thiol and isothiouronium when p is 0.
摘要翻译：公开了含有以螯合基团结束的亲水侧基部分的水不溶性聚合物。这些聚合物可用于净化由重金属（如汞和铅）污染的水。聚合物具有通式P - （ - （ - OR）n-（NH-Q）pF）m，其中P是能够与聚亚烷基二醇反应的聚合物基体或具有如下结构和分子量的环氧烷：不溶于水; R是-CH 2 CH 2 - 或-CH 2 CH 2 - 和-CH 2 CH（CH 3） - 的混合物，混合物中两个单元的摩尔比至少为3:1; n为3〜50; m是使所有 - （ - （ - OR-）n（NH-Q）pF亲水链的重量％）高于（I）的总重量的1重量％; Q是 C2-C6二官能脂族或芳族烃基; p为0或1;当p为1时，F为选自二硫代氨基甲酸酯和甲基 - 硫脲的螯合基团，或当p为0时，为巯基和异硫脲。

5. 发明授权

US6133211A Block copolymers, their preparation and their use as lubricants 失效
标题翻译：嵌段共聚物，它们的制备及其作为润滑剂的用途
公开(公告)号：US6133211A
公开(公告)日：2000-10-17
申请号：US960717
申请日：1997-10-30
申请人： Sandra Cobianco , Alessandro Lezzi , Alberto Forlini , Emilio Gatti
发明人： Sandra Cobianco , Alessandro Lezzi , Alberto Forlini , Emilio Gatti
IPC分类号： C10M107/24 , C08F291/08 , C08F293/00 , C08G65/02 , C08G65/26 , C10M107/32 , C10N40/14 , C10N40/26 , F02B75/02 , C10M145/34 , C07C43/11 , C08G65/08
CPC分类号： C08G65/2609 , C08G65/26 , F02B2075/027
摘要： Block copolyethers having general formula (I):RX--(CH.sub.2 --CHR.sub.1 --O--).sub.x --(--CH.sub.2 CHR.sub.2 --O--).sub.y --(--CH.sub.2 --CHR.sub.3 --O--).sub.z --R.sub.4wherein:R is selected from H, alkyl, alkylaryl;X is selected from O, S and N;R.sub.1, R.sub.2 and R.sub.3 are selected from H, CH.sub.3, and C.sub.2 -C.sub.10 alkyl radicals;R.sub.4 is selected from H, alkyl, acyl;x,y,z represent the number of ether units and are integers which have such values that the molecular weight of the compound having general formula (I) is between 600 and 4000, and in addition (x+z)/y is between 1.5 and 5.0; with the proviso that:a) either R.sub.1 and R.sub.3 are selected from H and CH.sub.3, in which case R.sub.2 is selected from C.sub.2 to C.sub.10 alkyl radicals,b) or R.sub.1 and R.sub.3 are selected from C.sub.2 -C.sub.10 alkyl radicals, in which case R.sub.2 is selected from H and CH.sub.3.
摘要翻译：具有通式（I）的嵌段共聚醚：RX-（CH2-CHR1-O-）x - （ - CH2CHR2-O-）y - （ - CH2-CHR3-O-）z-R4其中：R选自H，烷基，烷基芳基; X选自O，S和N; R1，R2和R3选自H，CH3和C2-C10烷基; R4选自H，烷基，酰基; x，y，z表示醚单元的数量，并且是具有通式（I）的化合物的分子量在600和4000之间的值的整数，另外（x + z）/ y在1.5 和5.0; 条件是：a）R 1和R 3选自H和CH 3，在这种情况下，R 2选自C 2至C 10烷基，b）或R 1和R 3选自C 2 -C 10烷基，其中R 2 选自H和CH3。

6. 发明授权

US5937949A Process for the consolidation of sand 失效
标题翻译：巩固砂的过程
公开(公告)号：US5937949A
公开(公告)日：1999-08-17
申请号：US928128
申请日：1997-09-12
申请人： Alessandro Lezzi , Guido Galbariggi , Enzo Pitoni
发明人： Alessandro Lezzi , Guido Galbariggi , Enzo Pitoni
IPC分类号： E21B33/138 , C09K8/56 , E21B20060101 , E21B33/10 , E21B43/00 , E21B43/02 , E21B43/22
CPC分类号： C09K8/572
摘要： Process for the consolidation of sand in a well which produces fluids, particularly oil and/or gas, comprising the following steps:1) optional preflush with an aqueous solution of inorganic salts, preferably KCl;2) injection into the formation of a consolidating agent essentially consisting of an aqueous solution of sodium silicate in water;3) flushing with an inert gas, preferably nitrogen, of the formation treated in step (2) until the excess consolidating agent and water injected in step (2) have been removed;4) subsequent introduction into the formation thus treated of an aqueous solution of an acid having a pKa at 25.degree. C. of between 3 and 10, preferably selected from ammonium chloride and acetic acid.
摘要翻译：产生流体，特别是油和/或气体的井中的砂的固结方法，包括以下步骤：1）可选地用无机盐的水溶液预先冲洗，优选KCl; 2）注入形成基本上由水溶液中的硅酸钠水溶液形成的固化剂; 3）用步骤（2）中处理的地层的惰性气体（优选氮气）冲洗，直到步骤（2）中注入的过量的固结剂和水被除去; 4）随后引入如此处理的在25℃下pKa为3至10，优选选自氯化铵和乙酸的酸的水溶液。

7. 发明授权

US08262385B2 Aqueous dispersions of heavy oil residues 失效
标题翻译：重油残留物的水分散体
公开(公告)号：US08262385B2
公开(公告)日：2012-09-11
申请号：US10468831
申请日：2002-02-22
申请人： Armando Marcotullio , Riccardo Rausa , Alessandro Lezzi
发明人： Armando Marcotullio , Riccardo Rausa , Alessandro Lezzi
IPC分类号： C10L1/12 , C10L1/32
CPC分类号： C10L1/328
摘要： A description follows of an aqueous dispersion of heavy oil residues, suitable for undergoing combustion with a low emission of SOx, comprising: (a) a heavy oil residue; (b) a dispersing agent; (c) a desulfurizing agent selected from CaCO3, MgCO3, dolomite and relative mixtures; (d) a desulfurizing agent with stabilizing and anti-corrosive properties selected from MgO, Mg(OH)2, CaO, Ca(OH)2 and relative mixtures; (e) water; the weight percentage of (e) with respect of the sum of (a)+(e) being at least 15%.
摘要翻译：以下描述适用于以低排放SOx进行燃烧的重油残渣的水分散体，其包含：（a）重油残余物; （b）分散剂; （c）选自CaCO3，MgCO3，白云石及相关混合物的脱硫剂; （d）具有选自MgO，Mg（OH）2，CaO，Ca（OH）2和相对混合物的稳定和抗腐蚀性能的脱硫剂; （e）水; （e）相对于（a）+（e）之和的重量百分比至少为15％。

8. 发明授权

US06499539B1 Process for reducing the adsorption of polymers onto rock matrix 失效
标题翻译：降低聚合物在岩石基质上的吸附过程
公开(公告)号：US06499539B1
公开(公告)日：2002-12-31
申请号：US09721653
申请日：2000-11-27
申请人： Sandra Cobianco , Thomas Paul Lockhart , Alessandro Lezzi , Alberto Guarneri
发明人： Sandra Cobianco , Thomas Paul Lockhart , Alessandro Lezzi , Alberto Guarneri
IPC分类号： E21B3310
CPC分类号： C09K8/88 , C09K8/52
摘要： Process for reducing the adsorption of hydrosoluble polymers onto rock matrix, which comprises putting the rock matrix in contact with an aqueous solution of polymers containing sacrificial agents, preferably selected from ionic and non-ionic oligomeric surface-active agents. In the preferred embodiment the surface-active agents are non-ionic.
摘要翻译：降低水溶性聚合物在岩石基体上的吸附的方法，其包括使岩石基质与含有牺牲剂的聚合物的水溶液接触，优选选自离子和非离子低聚表面活性剂。在优选的实施方案中，表面活性剂是非离子的。

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