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    • 61. 发明授权
    • Polyaluminum chloride and aluminum chlorohydrate, processes and compositions: high-basicity and ultra high-basicity products
    • 聚氯化铝和氯化铝水合物,工艺和组成:高碱度和超高碱度的产品
    • US07846318B2
    • 2010-12-07
    • US11619483
    • 2007-01-03
    • William E. PrattJoseph J. StevensPeter G. Symons
    • William E. PrattJoseph J. StevensPeter G. Symons
    • C25D5/34C25B1/24B01D61/00C01B17/45C01B17/46
    • C01F7/56A61K8/26A61Q15/00B01D61/44C01B9/02C01G23/02C01G25/04C01G49/10
    • The invention relates generally to processes for the production of high-basicity and ultra-high basicity polyaluminum chlorides including aluminum chlorohydrate. The processes can produce products of a wide range of basicities and are particularly useful in producing high basicity products. The process can produce a wide range of solution concentrations and are particularly useful in producing high solution concentrations. The processes described generate high purity products, which are free of by-product salt(s). The processes described herein can also be utilized to produce enhanced efficacy polyaluminum chlorides including aluminum chlorohydrate. When compared to conventional processes for manufacturing these compounds the processes disclosed herein are unique in so far as the disclosed processes do not require aluminum metal as a starting material. The products of the processes are suitable in applications including water purification, catalysts, and antiperspirants. In addition, the invention is directed to the products prepared by the processes described herein.
    • 本发明一般涉及生产包括氯化铝水合物在内的高碱度和超高碱性聚氯化铝的方法。 该工艺可生产各种碱性产品,特别适用于生产高碱度产品。 该方法可产生大范围的溶液浓度,特别适用于生产高溶液浓度。 所述方法产生不含副产物盐的高纯度产物。 本文所述的方法也可用于产生包括氯化铝水合物的增强效力的聚氯化铝。 与用于制造这些化合物的常规方法相比,本文公开的方法是独特的,只要所公开的方法不需要铝金属作为起始材料即可。 该方法的产品适用于包括水净化,催化剂和止汗剂在内的应用。 此外,本发明涉及通过本文所述方法制备的产品。
    • 62. 发明申请
    • PRODUCTION OF POLYALUMINUM CHLORIDE FROM BASIC ALUMINUM CHLORIDE AND SODIUM ALUMINATE VIA ULTRASONIC PROCESSING
    • 通过超声处理从碱性氯化铝和铝酸钠生产氯化铝
    • US20100061919A1
    • 2010-03-11
    • US12207665
    • 2008-09-10
    • LEVI JAMES GROVEKevin Edward Janak
    • LEVI JAMES GROVEKevin Edward Janak
    • C01F7/56C01B17/45B01J19/10
    • C01F7/56B01J19/10C01F7/002C01P2002/86
    • A method is provided for the production of a stable mid- and high-basicity polyaluminum chloride and polyaluminum chlorosulfate, respectively from sodium aluminate and aluminum chloride or low- or mid-basicity polyaluminum chloride by ultrasonic processing of the reactants. The method overcomes the formation of gels and insoluble precipitates that typically form when mixing sodium aluminate and aluminum chloride and the formation of sodium chloride, which is insoluble in high concentration polyaluminum chloride solutions. The invention eliminates the cumbersome extended heating periods previously required to deal with the formation of insoluble aluminum oxide precipitates in batches of polyaluminum chloride produced from sodium aluminate and aluminum chloride using high-shear mixing. Also because the use of ultrasonic processing reduces the amount of aluminum oxide generated, a batch heating cycle is avoided which reduces the energy costs associated with the production of polyaluminum chloride and thereby allows the process to be run as a continuous process rather than a batch process.
    • 提供了一种通过反应物的超声波处理分别从铝酸钠和氯化铝或低或中碱性聚氯化铝生产稳定的中,高碱性聚氯化铝和聚氯化铝的方法。 该方法克服了当混合铝酸钠和氯化铝时形成的凝胶和不溶性沉淀物的形成以及不溶于高浓度聚氯化铝溶液的氯化钠的形成。 本发明消除了以前需要的麻烦的延长的加热时间,以处理由铝酸钠和氯化铝制成的一批聚氯化铝中使用高剪切混合物形成不溶性氧化铝沉淀物。 此外,由于使用超声波处理减少了生成的氧化铝的量,因此避免了批量加热循环,这降低了与聚氯化铝的生产相关的能量成本,从而允许该工艺作为连续工艺而不是间歇工艺运行 。
    • 64. 发明授权
    • High pH antiperspirant compositions of enhanced efficacy
    • 具有增强功效的高pH止汗组合物
    • US07087220B2
    • 2006-08-08
    • US10857493
    • 2004-05-28
    • Zijun Li
    • Zijun Li
    • A61Q15/00A61Q19/00A61K8/00A61K8/02
    • A61K8/28A61Q15/00C01F7/56C01P2002/87
    • Aluminum and aluminum-zirconium antiperspirant compositions of enhanced efficacy and a pH value of at least 3.5 are provided that are made by reaction with insoluble, strongly alkaline strontium or calcium salts. The aluminum and aluminum-zirconium strontium or calcium compositions show high pH values with characteristic HPLC Band III to Band II ratios of at least 0.5. The basic aluminum halohydrate (or nitrate) solutions typically have aluminum to anion ratio of less that 1.9. The solution compositions are stable with respect to both HPLC Band III to Band II ratio and viscosity at concentrations of about 20% to about 40% by weight of anhydrous solid. The solid state compositions form hard sticks with low irritation, at low metal to chloride ratios of about 0.9 to about 1.2.
    • 提供了增强效力和至少3.5的pH值的铝和铝 - 锆止汗组合物,其通过与不溶性强碱性锶或钙盐的反应制备。 铝和铝 - 锆锶或钙组合物显示高pH值,具有至少0.5的特征HPLC带III至带II比率。 碱性卤化铝铝(或硝酸盐)溶液的铝阴离子比例通常小于1.9。 溶液组合物相对于HPLC Band III至Band II比率和在约20重量%至约40重量%的无水固体的浓度下的粘度是稳定的。 固态组合物形成具有低刺激性的硬棒,低金属氯化物比为约0.9至约1.2。
    • 66. 发明授权
    • Process for preparing sulfate-containing basic solutions of polyaluminumchloride
    • 制备聚氯化铝的含硫酸盐碱性溶液的方法
    • US06241958B1
    • 2001-06-05
    • US08107656
    • 1993-08-12
    • Gerhard HaakeGunter GeilerFrank Haupt
    • Gerhard HaakeGunter GeilerFrank Haupt
    • C01B1745
    • C01F7/007C01F7/56C01P2004/61C02F1/5245
    • The process of preparing a solution of basic sulfate-containing polyaluminum chloride includes digesting an aluminum-containing substance with hydrochloric acid to form a resulting solution and an insoluble residue; filtering the resulting solution to separate the insoluble residue therefrom and to form a solids-free solution; concentrating the solids-free solution by evaporation to form a concentrated solution having an AlCl3 content of about 30 percent by weight; recovering AlCl3·6 H2O from the concentrated solution by crystallization; thermally decomposing the recovered AlCl3·6 H2O by heating at 150 to 200° C. so as to form a solid basic aluminum chloride containing Al and OH in a molar ratio of OH/Al of 1.35:1 to 2.25:1; dissolving the solid basic aluminum chloride in an aqueous sulfuric acid solution and heat-treating at 40 ° C. to 70 ° C. for 1 to 3 hours to form a solution of basic sulfate-containing polyaluminum chloride having a sulfate content of 1 to 6 percent by weight, an aluminum concentration of 3 to 10 percent by weight and a molar ratio of OH/Al in the solution of the basic sulfate-containing polyaluminum chloride from 1.05:1 to 1.95:1.
    • 制备含碱性硫酸盐的聚氯化铝溶液的方法包括用盐酸消化含铝物质以形成所得溶液和不溶残留物; 过滤所得溶液以从其中分离不溶性残余物并形成无固体的溶液; 通过蒸发浓缩无固体溶液以形成AlCl 3含量为约30重量%的浓缩溶液; 通过结晶从浓缩溶液中回收AlCl3.6H2O; 通过在150至200℃下加热热分解回收的AlCl 3·6H 2 O,以形成OH / Al摩尔比为1.35:1至2.25:1的Al和OH的固体碱性氯化铝; 将固体碱性氯化铝溶解在硫酸水溶液中,并在40℃至70℃下热处理1至3小时,以形成硫酸盐含量为1至6的含碱性硫酸盐的聚氯化铝溶液 重量百分比,铝浓度为3〜10重量%,碱性硫酸盐聚合氯化铝溶液中OH / Al的摩尔比为1.05:1〜1.95:1。
    • 67. 发明授权
    • Production of fumed silica
    • 生产煅制二氧化硅
    • US06217840B1
    • 2001-04-17
    • US09374546
    • 1999-08-13
    • Robert J. BarnettMichael B. Mezner
    • Robert J. BarnettMichael B. Mezner
    • C01B3312
    • C01B7/191C01B7/193C01B33/18C01C1/244C01D5/00C01F7/141C01F7/26C01F7/50C01F7/56C01F11/24C01F11/46C03C1/002C04B7/24C04B18/0481C04B35/185C04B35/62204C22B21/0015C22B21/0046C22B21/0069Y02P10/234Y02P40/145Y02W30/91
    • A method for producing fumed silica and a fluorine-containing product from a source of silica in solid form and a solid material containing fluorine, the solid material selected from the group consisting of sodium aluminum tetrafluoride, cryolite, aluminum fluosilicate ammonium bifluoride, sodium aluminum silicofluoride, and sodium fluosilicate. The method comprises the steps of digesting the silica in solid form and the solid material selected from the group consisting of sodium aluminum tetrafluoride, cryolite, aluminum fluosilicate, ammonium bifluoride, sodium aluminum silicofluoride, and sodium flurosilicate in a sulfuric acid digester. The digestion step produces a first gas component comprised of silicon tetrafluoride, hydrogen fluoride and water vapor. The first gas component is removed from the digester. The gas component recovered from the digester is heated to a temperature sufficiently high to convert the silicon tetrafluoride to fumed silica in the presence of the hydrogen fluoride and the finned silica is separated from the hydrogen fluoride.
    • 从固体形式的二氧化硅源和含氟的固体材料制造热解法二氧化硅和含氟产物的方法,选自四氟化铝铝,冰晶石,氟硅酸铵二氟化铝,硅铝酸钠的固体材料 ,和氟硅酸钠。 该方法包括以下步骤:在硫酸蒸煮器中消化固体形式的二氧化硅和选自四氟化铝铝,冰晶石,氟硅酸铝,氟化铵铵,氟硅酸钠,氟硅酸钠的固体物质。 消化步骤产生由四氟化硅,氟化氢和水蒸气组成的第一气体组分。 将第一气体成分从蒸煮器中取出。 将从蒸煮器回收的气体组分加热到足够高的温度,以在氟化氢存在下将四氟化硅转化成热解法二氧化硅,并且将氟化铁与氟化氢分离。