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公开(公告)号：US5279789A
公开(公告)日：1994-01-18
申请号：US920540
申请日：1992-07-28
CPC分类号： B01J23/10 , C01F17/0012 , C01F17/0043 , C01P2002/04 , C01P2002/60 , C01P2006/13 , C01P2006/14 , C01P2006/16
摘要： Ceric oxide particulates having a specific surface of at least 190 m.sup.2 /g, measured after calcination at a temperature of from 350.degree. to 450.degree. C., and a specific surface of at least 15 m.sup.2 /g after calcination at 800.degree. C., are prepared by (a) suspending, in an aqueous solution of a decomposable base, a ceric hydroxide of the formula (I):Ce(M).sub.x (OH).sub.y (NO.sub.3).sub.z (I)wherein M is an alkali metal or a quaternary ammonium radical; x is a number ranging from 0.01 to 0.2; y is such that y=4-z+x; and z is a number ranging from 0.4 to 0.7; (b) heating the resulting suspension in a confined reaction zone to a temperature and pressure respectively lower than its critical temperature and pressure; (c) cooling such reaction medium and permitting it to return to atmospheric pressure; (d) separating the ceric hydroxide thus treated; and (e) calcining the separated ceric hydroxide.
摘要翻译： 在350摄氏度至450摄氏度的温度下焙烧后测定的比表面积至少为190m 2 / g的氧化铈颗粒，800℃煅烧后的比表面积至少为15m 2 / g， 通过（a）在可分解碱的水溶液中悬浮式（I）的Ce（M）x（OH）y（NO 3）z（I）的氢氧化铈：其中M是碱金属或 季铵基; x为0.01〜0.2的数; y为y = 4-z + x; z为0.4〜0.7的数; （b）将受限反应区中得到的悬浮液加热到分别低于其临界温度和压力的温度和压力; （c）冷却该反应介质并使其回到大气压; （d）分离如此处理的氢氧化铈; 和（e）煅烧分离的氢氧化铈。
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公开(公告)号：US5891412A
公开(公告)日：1999-04-06
申请号：US917218
申请日：1997-08-25
CPC分类号： B01J23/10 , C01F17/0012 , C01F17/0043 , C01P2002/04 , C01P2002/60 , C01P2006/13 , C01P2006/14 , C01P2006/16
摘要： Ceric oxide particulates having a specific surface of at least 190 m.sup.2 /g, measured after calcination at a temperature of from 350.degree. to 450.degree. C., and a specific surface of at least 15 m.sup.2 /g after calcination at 800.degree. C., are prepared by (a) suspending, in an aqueous solution of a decomposable base, a ceric hydroxide of the formula (I):Ce(M).sub.x (OH).sub.y (NO.sub.3).sub.z (I)wherein M is an alkali metal or a quaternary ammonium radical; x is a number ranging from 0.01 to 0.2; y is such that y=4-z+x; and z is a number ranging from 0.4 to 0.7; (b) heating the resulting suspension in a confined reaction zone to a temperature and pressure respectively lower than its critical temperature and pressure; (c) cooling such reaction medium and permitting it to return to atmospheric pressure; (d) separating the ceric hydroxide thus treated; and (e) calcining the separated ceric hydroxide.
摘要翻译： 在350℃〜450℃的温度下焙烧后测定的比表面积至少为190m 2 / g的氧化铈颗粒，800℃煅烧后的比表面积至少为15m 2 / g， 通过（a）在可分解碱的水溶液中悬浮式（I）的Ce（M）x（OH）y（NO 3）z（I）的氢氧化铈：其中M是碱金属或 季铵基; x为0.01〜0.2的数; y为y = 4-z + x; z为0.4〜0.7的数; （b）将受限反应区中得到的悬浮液加热到分别低于其临界温度和压力的温度和压力; （c）冷却该反应介质并使其回到大气压; （d）分离如此处理的氢氧化铈; 和（e）煅烧分离的氢氧化铈。
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3.发明授权Preparation of ammonium rare earth double oxalates and rare earth oxides produced therefrom 失效制备由其制备的稀土稀土双草酸盐和稀土氧化物
公开(公告)号：US5665323A
公开(公告)日：1997-09-09
申请号：US437217
申请日：1995-05-08
申请人： Claire David
发明人： Claire David
CPC分类号： C07C51/412
摘要： Particulate and coarse ammonium rare earth double oxalate crystals, readily converted into rare earth oxide particles by simple calcination, e.g., yttrium oxide particles, are prepared by (a) intimately admixing, in an aqueous medium, (i) at least one rare earth neutral oxalate with (ii) at least one precursor compound adapted to liberate ammonium ions in water and (iii) at least one precursor compound adapted to liberate oxalate ions in water, (b) separating the double oxalate precipitate thus formed, and (c), optionally, washing and drying such double oxalate precipitate.
摘要翻译： 通过（a）在水性介质中密切混合（i）至少一种稀土中性物质，制备通过简单煅烧容易地转化为稀土氧化物颗粒的颗粒和粗铵稀土双草酸盐晶体，例如氧化钇颗粒， 草酸盐与（ii）适于在水中释放铵离子的至少一种前体化合物和（iii）适于在水中释放草酸离子的至少一种前体化合物，（b）分离由此形成的双重草酸盐沉淀物，和（c） 任选地，洗涤和干燥这种双草酸盐沉淀物。
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公开(公告)号：US5496528A
公开(公告)日：1996-03-05
申请号：US206224
申请日：1994-03-07
申请人： Claire David , Francoise Seon
发明人： Claire David , Francoise Seon
CPC分类号： B01J23/10 , C01F17/00 , C01F17/0043 , C01P2004/01 , C01P2004/50 , C01P2006/13 , C01P2006/14 , C01P2006/16
摘要： Novel rare earth oxides having a large specific surface of at least 40 m.sup.2 /g, well adapted for catalysis, are prepared (i) by reacting at least one rare earth salt with a strong base in the presence of carboxylate ions, or by reacting at least one rare earth carboxylate with a strong base, to produce a true rare earth hydroxide, (ii) separating the precipitate thus produced, and then (iii) washing and (iv) calcining such precipitate.
摘要翻译： 通过在羧酸根离子的存在下使至少一种稀土盐与强碱反应，或者通过使羧酸根离子的反应进行反应来制备具有至少40m 2 / g的较大比表面积的至少40m 2 / g的大量稀土氧化物， 至少一种具有强碱的稀土羧酸盐，以产生真正的稀土氢氧化物，（ii）分离由此产生的沉淀，然后（iii）洗涤和（iv）煅烧该沉淀物。
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公开(公告)号：US4965057A
公开(公告)日：1990-10-23
申请号：US211896
申请日：1988-06-27
申请人： Claire David , Francoise Seon
发明人： Claire David , Francoise Seon
CPC分类号： B82Y30/00 , C01F17/0043 , C01F17/0075 , C01P2004/50 , C01P2004/62 , C01P2004/64
摘要： Morphologically improved ceric oxide particulates having a grain size distribution such that the mean diameter of the aggregates thereof ranges from 0.2 to 1 .mu.m, are conveniently prepared by (i) hydrolyzing an aqueous solution of a cerium (IV) salt in an acid medium, (ii) adding an aqueous colloidal dispersion of a cerium (IV) compound to the product of step (i), (iii) separating the precipitate from step (ii), and then (IV) heat treating said separated precipitate, advantageously by calcination at elevated temperatures.
摘要翻译： 通过（i）在酸性介质中水解铈（IV）盐的水溶液，方便地制备具有粒径分布的形态改善的氧化铈颗粒，使其聚集体的平均直径范围为0.2-1μm， （ⅱ）将铈（Ⅳ）化合物的水性胶体分散体加入到步骤（ⅰ），（ⅲ）的产物中，分离步骤（ⅱ）中的沉淀物，然后（Ⅳ）有利地通过煅烧热处理所述分离的沉淀物 在高温下。
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6.发明授权
公开(公告)号：US5710117A
公开(公告)日：1998-01-20
申请号：US627517
申请日：1996-04-04
申请人： Claire David , Etienne Fleury
发明人： Claire David , Etienne Fleury
CPC分类号： C11D3/3726 , C11D3/0036 , C11D3/128 , C11D3/3715 , Y10S528/904
摘要： Detergent formulation for washing laundry characterized in that it comprises: from about 10 to 80% of its weight of at least one hydrated zeolite (z) of formula xNa.sub.2 O.yAl.sub.2 O.sub.3.zSiO.sub.2.wH.sub.2 O in which, if y=1, x is from about 0.7 to 1.1, z is from about 1.3 to 3.3 and w is from about 10 to 264 from about 0.005 to 5%, of its weight of a least one polyalkylene terephthalate-polyoxyalkylenebisurethane (PET-UPOEU) copolymeric nonionic or anionic anti-soiling agent, said copolymer being obtained by reaction of a polyalkylene terephthalate (PET) and a polyoxyalkylnebisurethane (UPOEU), the molar ratio of the NCO functions to all of the OH functions or OH function equivalents being from about 0.5 to 1, from about 3 to 40%, of its weight of a least one saturated C.sub.5 -C.sub.24, aliphatic or hydroxyaliphatic alkyl sulphate anionic surfactant (FAS) optionally condensed with approximately 0.5 to 30 mol of ethylene oxide and/or propylene oxide, optionally, up to 15% of its weight of a nonionic surfactant, it not being possible for more than 5% by weight of the said detergent formulation to consist of an alkylbenzenesulphonate. It has been observed that this PET-UPOEU type of anti-soiling agent, present in low amount in detergent compositions based on zeolite and aliphatic alkyl sulphate, has advantageous anti-soiling properties.
摘要翻译： 用于洗涤衣物的洗涤剂制剂，其特征在于其包含：其重量的约10至80％的至少一种式xNa2O.yAl2O3.zSiO2.wH2O的水合沸石（z），其中如果y = 1，x为约 0.7至1.1，z为约1.3至3.3，w为约0.005至5重量％的至少一种聚对苯二甲酸亚烷基酯 - 聚氧化亚烷基双氨酯（PET-UPOEU）共聚物非离子或阴离子防污剂 所述共聚物是通过聚对苯二甲酸亚烷基酯（PET）和聚氧化亚烷基双氨酯（UPOEU）的反应获得的，NCO官能团与所有OH官能团或OH官能当量的摩尔比为约0.5至1，约3至40 至少一种饱和C 5 -C 24脂族或羟基脂肪族烷基硫酸盐阴离子表面活性剂（FAS）的重量％，任选地与约0.5至30摩尔环氧乙烷和/或环氧丙烷缩合，任选地至多15重量％ 的非离子表面活性剂 超过5重量％的所述洗涤剂配方可能由烷基苯磺酸盐组成。 已经观察到，基于沸石和脂族烷基硫酸盐的洗涤剂组合物中存在的PET-UPOEU型防污剂具有有利的抗污染性能。
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公开(公告)号：US5466428A
公开(公告)日：1995-11-14
申请号：US194733
申请日：1994-02-10
申请人： Claire David , Francoise Seon
发明人： Claire David , Francoise Seon
CPC分类号： B82Y30/00 , C01F17/0043 , C01F17/0075 , C01P2004/50 , C01P2004/62 , C01P2004/64
摘要： Morphologically improved ceric oxide particulates having a grain size distribution such that the mean diameter of the aggregates thereof ranges from 0.2 to 1 .mu.m, are conveniently prepared by (i) hydrolyzing an aqueous solution of a cerium (IV) salt in an acid medium, in the presence of an aqueous colloidal dispersion of a cerium (IV) compound, (ii) separating the resulting precipitate, and (iii) heat treating said separated precipitate, advantageously by calcination at elevated temperatures.
摘要翻译： 通过（i）在酸性介质中水解铈（IV）盐的水溶液，方便地制备具有粒径分布的形态改善的氧化铈颗粒，使其聚集体的平均直径范围为0.2-1μm， 在（IV）化合物的水性胶体分散体存在下，（ii）分离所得沉淀物，和（iii）热处理所述分离的沉淀物，有利地通过在升高的温度下煅烧。
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8.发明授权Mixed polysaccharide precipitating agents and insulating articles shaped therefrom 失效混合多糖沉淀剂和由其形成的绝缘制品
公开(公告)号：US5350524A
公开(公告)日：1994-09-27
申请号：US737766
申请日：1991-07-30
IPC分类号： C08B37/00 , B01D21/01 , C02F1/52 , C04B24/38 , C04B26/28 , C08L5/00 , C12P19/04 , C12R1/01 , C12R1/05 , C12R1/06 , C12R1/38 , C12R1/41 , C07H1/06 , C02F1/00
CPC分类号： C04B26/28 , C02F1/5263 , C04B24/38 , C08L5/00 , Y02W30/97
摘要： Mixed polysaccharide compositions, well adopted for flocculating/precipitating solid particulates from liquid dispersions thereof and for the shaping of insulating articles therefrom, comprise (i) at least one succinoglycan polysaccharide, the basic recurring structural unit of which comprising glucose, galactose and succinyl moieties, and (ii) at least one natural polysaccharide or derivative thereof.
摘要翻译： 用于从其液体分散体中絮凝/沉淀固体颗粒以及用于从其形成绝缘制品的混合多糖组合物包含（i）至少一种琥珀酰聚糖多糖，其基本重复结构单元包含葡萄糖，半乳糖和琥珀酰部分， 和（ii）至少一种天然多糖或其衍生物。
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9.发明授权公开(公告)号：US06379394B1
公开(公告)日：2002-04-30
申请号：US09631657
申请日：2000-08-03
IPC分类号： D06L112
CPC分类号： C11D3/3753 , C11D1/60 , C11D1/62 , C11D3/0036 , C11D3/227 , C11D3/3707 , C11D3/3715 , C11D3/3776
摘要： A soil-repellent treatment method for articles based on woven cotton, wherein an amphiphilic soil-repellent agent soluble or dispersible in the treatment medium is deposited on the article during one or more washing, rinsing and/or softening or dying steps, is disclosed. Said soil-repellent agent comprises at least one unit with a function (FAd) capable of being absorbed onto the surface of the cotton by electrostatic interaction; and at least one hydrophobic unit (MH) capayble of configuring said agent at the cotton/water interface. A soil-repellent agent comprising at least one unit with a cationic function (MC) capable of being absorbed onto the surface of the cotton, and the counter-ion thereof, as well as at least one hydrophobic unit (MH) containing at least four carbon atom chemically bonded to the unit having said cationic function (MC) via an oligomeric, polymeric or copolymeric vinyl alcohol chain, is also disclosed.
摘要翻译： 公开了一种基于编织棉的制品的防污处理方法，其中在一次或多次洗涤，漂洗和/或软化或染色步骤期间，可溶或可分散在处理介质中的两亲性污垢排斥剂沉积在制品上。 所述防污剂包括至少一个具有功能（FAd）的单元，其能够通过静电相互作用吸收到棉花的表面上; 以及在棉/水界面处配置所述试剂的至少一种疏水单元（MH）盖板。 一种防污剂，其包含至少一种能够吸收到棉花表面上的具有阳离子功能（MC）的单元及其抗衡离子，以及至少一种含有至少四个的疏水单元（MH） 还公开了通过低聚，聚合或共聚乙烯醇链与具有阳离子官能团（MC）的单元化学键合的碳原子。
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10.发明授权Preparation of ammonium rare earth double oxalates and rare earth oxides produced therefrom 失效制备由其制备的稀土稀土双草酸盐和稀土氧化物
公开(公告)号：US5662874A
公开(公告)日：1997-09-02
申请号：US427737
申请日：1995-04-24
申请人： Claire David
发明人： Claire David
CPC分类号： C07C51/412
摘要： Particulate ammonium rare earth double oxalate crystals, homogeneous in particle size and having a narrow particle size distribution and readily converted into rare earth oxide particles by simple calcination, e.g., yttrium oxide particles, are prepared by (a) intimately admixing, in an aqueous medium, (i) at least one precursor compound adapted to liberate oxalate ions in aqueous solution with (ii) at least one water-soluble rare earth compound and (iii) at least one ammonium salt, (b) separating the double oxalate precipitate thus formed, and (c), optionally, washing and drying such double oxalate precipitate.
摘要翻译： 通过（a）在水性介质中充分混合来制备粒度均匀且粒径分布窄并通过简单煅烧容易地转化成稀土氧化物颗粒的颗粒状稀土双草酸盐晶体，例如氧化钇颗粒， （i）至少一种适于在水溶液中释放草酸离子的前体化合物，（ii）至少一种水溶性稀土化合物和（iii）至少一种铵盐，（b）分离由此形成的双草酸盐沉淀物 ，和（c），任选地，洗涤和干燥这样的双草酸盐沉淀物。
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