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1. 发明授权

US6090984A .alpha.-phenoxy-alkanols, their methods of preparation and their applications 失效
标题翻译： α-苯氧基 - 链烷醇，其制备方法及其应用
公开(公告)号：US6090984A
公开(公告)日：2000-07-18
申请号：US109489
申请日：1998-07-02
申请人： Joseph Schapira , Jean-Claude Cheminaud , Jean-Jacques Gasse , Vincent Schanen , Benoit Rondot , Jean-Claude Lemoine
发明人： Joseph Schapira , Jean-Claude Cheminaud , Jean-Jacques Gasse , Vincent Schanen , Benoit Rondot , Jean-Claude Lemoine
IPC分类号： C07C205/37 , C07C209/18 , C07C211/37 , C07C205/19
CPC分类号： C07C205/37 , C07C209/18
摘要： New .alpha.-phenoxy-alkanols represented by the general formula ##STR1## in which R.sup.1 and R.sub.2, which may be identical or different, represent a hydrogen atom or the CH.sub.3 radical, and their stereoisomers of R,S conformation when they contain at least one asymmetric carbon.
摘要翻译：由通式表示的新的α-苯氧基 - 链烷醇，其中当R 1和R 2含有至少一个不对称碳时，其可以相同或不同的R 1和R 2表示氢原子或CH 3基团，以及它们的R，S构象的立体异构体。

2. 发明授权

US6028226A Process for 3,4-disubstituted dinitroanilines 失效
标题翻译： 3,4-二取代二硝基苯胺的方法
公开(公告)号：US6028226A
公开(公告)日：2000-02-22
申请号：US056415
申请日：1998-04-07
申请人： Joseph Schapira , Jean-Claude Cheminaud , Jean-Jacques Gasse , Vincent Schanen , Benoit Rondot , Jean-Claude Lemoine
发明人： Joseph Schapira , Jean-Claude Cheminaud , Jean-Jacques Gasse , Vincent Schanen , Benoit Rondot , Jean-Claude Lemoine
IPC分类号： C07C209/18 , C07C213/00
CPC分类号： C07C209/18
摘要： Preparation process for 3,4-disubstituted dinitroanilines of formula ##STR1## in which, R.sub.1 and R.sub.2, which are identical to or different from one another, represent a hydrogen atom, a C.sub.1 to C.sub.6 saturated, linear or branched alkyl radical, a C.sub.2 to C.sub.6 linear or branched alkylene radical, a cyclopropyl radical or a chloroethyl radical,R.sub.3 and R.sub.4, which are identical to or different from one another are chosen from the group containing the chlorine atom, the amino group, the C.sub.1 to C.sub.3 lower alkyl radicals and the trifluoromethyl radical,comprising successively a dinitration stage of a 3,4-disubstituted phenol, an alkylation stage of the dinitrated derivative thus obtained and an amination stage of the 3,4-disubstituted 2,6-dinitro-alkoxybenzene thus obtained.
摘要翻译：其中R1和R2彼此相同或不同的3,4-二取代二硝基苯胺的制备方法代表氢原子，C1-C6饱和，直链或支链烷基，C2至C6直链或支链亚烷基，环丙基或氯乙基，R3和R4彼此相同或不同，选自含有氯原子，氨基，C1至C3低级烷基和三氟甲基的基团自由基，连续地包括3,4-二取代苯酚的二硝化阶段，如此获得的二硝基衍生物的烷基化阶段和由此获得的3,4-二取代2,6-二硝基 - 烷氧基苯胺的胺化阶段。

3. 发明授权

US5981800A Preparation process for 4-substituted dinitroanilines 失效
标题翻译： 4-取代二硝基苯胺的制备方法
公开(公告)号：US5981800A
公开(公告)日：1999-11-09
申请号：US56266
申请日：1998-04-07
申请人： Joseph Schapira , Jean-Claude Cheminaud , Jean-Jacques Gasse , Vincent Schanen , Benoit Rondot , Jean-Claude Lemoine
发明人： Joseph Schapira , Jean-Claude Cheminaud , Jean-Jacques Gasse , Vincent Schanen , Benoit Rondot , Jean-Claude Lemoine
IPC分类号： C07C205/22 , C07C205/23 , C07C205/37 , C07C209/18 , C07C211/52
CPC分类号： C07C209/18 , C07C201/08
摘要： Preparation process for 4-substituted dinitroanilines of formula ##STR1## in which R.sub.1 is chosen from the group containing the tert-butyl, sulphonamido, trifluoromethyl, methyl-sulphonyl and isopropyl radicals,R.sub.2 and R.sub.3, which are identical to or different from one another, represent a hydrogen atom, a linear or branched alkyl, cycloalkyl, haloalkyl or alkenyl radical containing less than 6 carbon atoms, characterized in that that it comprises successively:a dinitration stage of the 4-substituted phenol corresponding to the sought 4-substituted dinitro-aniline, this dinitration stage being carried out in a reaction medium containing a slight excess of nitrating agent, a sufficient quantity of protons and a catalyst chosen from the group containing the soluble salts of the transition metals of columns IV to XII of the Periodic Table, preferably the soluble salts of Fe.sub.III, Fe.sub.II, Zn.sub.II and Cu.sub.II ions,an O-alkylation stage of the dinitrated 4-substituted phenol obtained in the preceding stage, by means of an alkylating agent, andan amination stage of the 4-substituted dinitrated phenoxy-ether obtained in the preceding stage by using a primary or secondary amine.
摘要翻译：其中R1选自含有叔丁基，磺酰氨基，三氟甲基，甲基 - 磺酰基和异丙基的基团的4-取代二硝基苯胺的制备方法，R 2和R 3彼此相同或不同，表示氢原子，含有少于6个碳原子的直链或支链烷基，环烷基，卤代烷基或链烯基，其特征在于它包括依次：对应于所寻求的4-取代二硝基苯胺的4-取代苯酚的二硝化阶段，该二硝化阶段在含有略过量的硝化剂，足够量的质子和选自含有周期表第IV至第Ⅻ族的过渡金属的可溶性盐的基团的反应介质中进行，优选地 FeIII，FeII，ZnII和CuII离子的可溶性盐，前一阶段得到的二硝基四取代苯酚的O-烷基化阶段，m 烷基化试剂的酯，和通过使用伯胺或仲胺在前一阶段获得的4-取代二硝基苯氧基醚的胺化阶段。

4. 发明授权

US5567236A Composition containing materials improving the rheological properties of cement-based products 失效
标题翻译：含有改善水泥基产品流变性能的组合物
公开(公告)号：US5567236A
公开(公告)日：1996-10-22
申请号：US174954
申请日：1993-12-28
申请人： Joseph Schapira , Jean-Claude Cheminaud , Jean-Jacques Gasse , Eric Hadzamann , Joel Bonnin
发明人： Joseph Schapira , Jean-Claude Cheminaud , Jean-Jacques Gasse , Eric Hadzamann , Joel Bonnin
IPC分类号： C04B24/00 , C04B24/04 , C04B24/12 , C04B28/00 , C04B28/02 , C04B103/40 , C04B103/60
CPC分类号： C04B28/02 , C04B24/003
摘要： Composition adapted to improve the rheological properties of cement-based products and more especially to increase the duration of the workability of concrete ready to use, characterized in that it comprises, in the form of a ternary mixturea superplasticizing or water-reducing agent having a dispersing effect,a stabilizing agent capable of forming a chelate with the calcium ions of the cement-based product, anda polycarboxylic polymer dispersing agent.
摘要翻译：适于改善水泥基产品的流变性质的组合物，更具体地说是为了增加即将使用的混凝土的可加工性的持续时间，其特征在于它包括三元混合物形式的超塑化或减水剂，其具有分散效果，能够与水泥系产品的钙离子形成螯合物的稳定剂和聚羧酸类高分子分散剂。

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