专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US5695730A Process for preparing silicic acid hydrate 失效
标题翻译：制备硅酸水合物的方法
公开(公告)号：US5695730A
公开(公告)日：1997-12-09
申请号：US531313
申请日：1995-09-20
申请人： Kuniaki Maejima , Shigeki Yamagata , Tomohiro Banda , Masaru Kishida , Keiji Monbetsu , Tsutomu Naito
发明人： Kuniaki Maejima , Shigeki Yamagata , Tomohiro Banda , Masaru Kishida , Keiji Monbetsu , Tsutomu Naito
IPC分类号： C01B33/143 , C01B33/193 , D21H17/67 , C01B33/12
CPC分类号： C01B33/193 , C01P2004/61 , C01P2006/12 , C01P2006/14 , C01P2006/16 , C01P2006/19 , Y10S516/928
摘要： The present invention provides silicic acid hydrate having a large pore volume and tiny particle diameters, and a process for preparing it. There is disclosed silicic acid hydrate obtained by neutralizing an aqueous solution of sodium silicate with a mineral acid, which has particle properties represented by an oil absorption of 250 to 350 ml/100 g, a total pore volume of 4.0 to 6.0 cc/g, an average pore radius of 200 to 400 .ANG., and an average pore diameter of 3.0 to 15 .mu.m by the laser method, or 2.0 to 4.0 .mu.m by the coulter method, or 0.5 to 3.5 .mu.m by the centrifugal precipitation method.
摘要翻译：本发明提供了孔体积大，粒径小的硅酸水合物及其制备方法。公开了通过用无机酸中和硅酸钠水溶液而获得的硅酸水合物，其具有由吸油量为250〜350ml / 100g，总孔体积为4.0〜6.0cc / g，平均孔半径为200〜400安培姆，激光法的平均孔径为3.0〜15μm，通过厚刀法为2.0〜4.0μm，通过离心沉淀法为0.5〜3.5μm。

2. 发明授权

US08083842B2 Aqueous solution of chromium salt and method for producing same 有权
标题翻译：铬盐水溶液及其制备方法
公开(公告)号：US08083842B2
公开(公告)日：2011-12-27
申请号：US12646048
申请日：2009-12-23
申请人： Hideki Kotaki , Tomohiro Banda , Takashi Hara , Nobuo Takagi
发明人： Hideki Kotaki , Tomohiro Banda , Takashi Hara , Nobuo Takagi
IPC分类号： C23C22/05 , C23C30/00 , C23F11/00 , C23F11/12 , C01B9/02
CPC分类号： C01G37/00 , C01G37/14 , C23C22/46 , C23C22/47 , C23C2222/10
摘要： Disclosed is an aqueous solution of a chromium salt, in which the oxalic acid content is 8% by weight or less relative to chromium. In the aqueous solution of the chromium salt, the total organic carbon content is 4% by weight or less relative to chromium. The chromium salt is preferably a chromium chloride, a chromium phosphate, or a chromium nitrate. The chromium chloride preferably contains a basic chromium chloride represented by the composition formula Cr(OH)xCly (wherein 0
摘要翻译：公开了铬酸盐水溶液，其中草酸含量相对于铬为8重量％以下。在铬盐水溶液中，总有机碳含量相对于铬为4重量％以下。铬盐优选为氯化铬，磷酸铬或硝酸铬。氯化铬优选含有由组成式Cr（OH）xCly表示的碱式氯化铬（其中0

3. 发明申请

US20110168051A1 CHROMIUM (III) CARBONATE AND PROCESS FOR PRODUCING THE SAME 失效
标题翻译：碳酸铯（III）及其制造方法
公开(公告)号：US20110168051A1
公开(公告)日：2011-07-14
申请号：US13062478
申请日：2009-08-27
申请人： Hiroyuki Kuwano , Tomohiro Banda , Yasuyuki Tanaka
发明人： Hiroyuki Kuwano , Tomohiro Banda , Yasuyuki Tanaka
IPC分类号： C23C16/06 , C01G37/00 , C23C16/18
CPC分类号： C25D3/10 , C01G37/00 , C01P2006/62 , C01P2006/63 , C01P2006/64 , C23C2222/10 , C25D3/06
摘要： The chromium (III) carbonate of the present invention exhibits a light blue color in a solid state. This chromium (III) carbonate has an L* value of 50 to 70, an a* value of −4 to −2, and a b* value of −10 to −7, which are represented by the L*a*b* color system (JIS Z8729). This chromium (III) carbonate is preferably completely dissolved within 30 minutes when the chromium (III) carbonate is added, in an amount corresponding to a Cr content of 1 g, to 1 liter of an aqueous solution of hydrochloric acid having a pH of 0.2 at a temperature of 25° C. This chromium (III) carbonate is preferably obtained by contacting an aqueous solution of carbonate and an aqueous solution containing trivalent chromium at a pH of 6 to 12 under the condition of a reaction liquid temperature of 0° C. or more and less than 50° C. Also, preferably, after production of the chromium (III) carbonate, filtration is performed, and the chromium (III) carbonate is washed with water until the conductivity of the filtrate is 5 mS/cm or less.
摘要翻译：本发明的碳酸铬（III）表现出固态的浅蓝色。该碳酸铬（III）的L *值为50〜70，a *值为-4〜-2，ab *为-10〜-7，由L * a * b *颜色系统（JIS Z8729）。当碳酸铬（III）以相当于Cr含量的1g的量添加碳酸铬（III）至1升pH为0.2的盐酸水溶液时，优选在30分钟内完全溶解该碳酸铬（III）该温度为25℃。这种碳酸铬（III）优选通过在反应液温度为0℃的条件下使碳酸盐水溶液和含有三价铬的水溶液在6至12的pH下接触以上且小于50℃。此外，优选在碳酸铬（III）的制造之后，进行过滤，并用水洗涤碳酸铬（III），直至滤液的电导率为5mS / cm 或更少。

4. 发明授权

US07641721B2 Aqueous solution of chromium salt and method for producing same 失效
标题翻译：铬盐水溶液及其制备方法
公开(公告)号：US07641721B2
公开(公告)日：2010-01-05
申请号：US10578626
申请日：2004-11-22
申请人： Hideki Kotaki , Tomohiro Banda , Takashi Hara , Nobuo Takagi
发明人： Hideki Kotaki , Tomohiro Banda , Takashi Hara , Nobuo Takagi
IPC分类号： C23C22/05 , C23C30/00 , C23F11/00 , C23F11/12 , C01B9/02
CPC分类号： C01G37/00 , C01G37/14 , C23C22/46 , C23C22/47 , C23C2222/10
摘要： Disclosed is an aqueous solution of a chromium salt, in which the oxalic acid content is 8% by weight or less relative to chromium. In the aqueous solution of the chromium salt, the total organic carbon content is 4% by weight or less relative to chromium. The chromium salt is preferably a chromium chloride, a chromium phosphate, or a chromium nitrate. The chromium chloride preferably contains a basic chromium chloride represented by the composition formula Cr(OH)xCly (wherein 0
摘要翻译：公开了铬酸盐水溶液，其中草酸含量相对于铬为8重量％以下。在铬盐水溶液中，总有机碳含量相对于铬为4重量％以下。铬盐优选为氯化铬，磷酸铬或硝酸铬。氯化铬优选含有由组成式Cr（OH）xCly（其中0

5. 发明申请

US20120199787A1 AQUEOUS SOLUTION OF CHROMIUM SALT AND METHOD FOR PRODUCING SAME 审中-公开
标题翻译：铬盐水溶液及其生产方法
公开(公告)号：US20120199787A1
公开(公告)日：2012-08-09
申请号：US13338012
申请日：2011-12-27
申请人： Hideki KOTAKI , Tomohiro Banda , Takashi Hara , Nobuo Takagi
发明人： Hideki KOTAKI , Tomohiro Banda , Takashi Hara , Nobuo Takagi
IPC分类号： C09K3/00
CPC分类号： C01G37/00 , C01G37/14 , C23C22/46 , C23C22/47 , C23C2222/10
摘要： Disclosed is an aqueous solution of a chromium salt, in which the oxalic acid content is 8% by weight or less relative to chromium. In the aqueous solution of the chromium salt, the total organic carbon content is 4% by weight or less relative to chromium. The chromium salt is preferably a chromium chloride, a chromium phosphate, or a chromium nitrate. The chromium chloride preferably contains a basic chromium chloride represented by the composition formula Cr(OH)xCly (wherein 0
摘要翻译：公开了铬酸盐水溶液，其中草酸含量相对于铬为8重量％以下。在铬盐水溶液中，总有机碳含量相对于铬为4重量％以下。铬盐优选为氯化铬，磷酸铬或硝酸铬。氯化铬优选含有由组成式Cr（OH）xCly表示的碱式氯化铬（其中0

6. 发明申请

US20110162556A1 CHROMIUM (III)-CONTAINING AQUEOUS SOLUTION AND PROCESS FOR PRODUCING THE SAME 审中-公开
标题翻译：铬（III） - 水溶液及其生产方法
公开(公告)号：US20110162556A1
公开(公告)日：2011-07-07
申请号：US13062486
申请日：2009-08-27
申请人： Tomohiro Banda , Hiroyuki Kuwano
发明人： Tomohiro Banda , Hiroyuki Kuwano
IPC分类号： C09D7/12
CPC分类号： C25D3/06 , C01G37/00 , C01G37/08 , C23C22/08 , C23C22/10 , C23C22/53 , C23C2222/10 , C25D3/10
摘要： It is intended to provide a chromium (III)-containing aqueous solution which has widely adjustable molar ratios of various acid radicals to Cr and is useful as a source of trivalent chromium or a supplementary source of trivalent chromium for the bath in the surface treatment of various metals. Specifically, the chromium (III)-containing aqueous solution is characterized by containing a complex chromium (III) salt which is produced by performing chromic acid reduction reaction in the simultaneous or sequential presence of two or more acids selected from an inorganic acid other than chromic acid and an organic acid. Furthermore, it is intended to provide a process for producing a chromium (III)-containing aqueous solution by performing chromic acid reduction reaction by the contact of chromic acid with an acid other than chromic acid and/or an organic reducing agent in a water solvent, characterized in that the chromic acid reduction reaction is performed in the simultaneous or sequential presence of at least two or more acids selected as the acid other than chromic acid from an inorganic acid and an organic acid.
摘要翻译：旨在提供一种含铬（III）的水溶液，其具有广泛可调的各种酸基与Cr的摩尔比，并且可用作三价铬的来源或用于在表面处理中的浴中的三价铬的补充来源各种金属。具体地说，含铬（III）的水溶液的特征在于，含有复合铬（III）盐，它是通过在两种或更多种选自铬酸盐以外的无机酸的同时或相继存在下进行铬酸还原反应酸和有机酸。此外，本发明旨在提供一种通过在水溶剂中使铬酸与铬酸和/或有机还原剂之间的酸接触进行铬酸还原反应来制备含铬（III）的水溶液的方法其特征在于，所述铬酸还原反应是在无机酸和有机酸中选择为不同于铬酸的酸的至少两种或多种酸的同时或相继存在下进行的。

7. 发明申请

US20100095867A1 AQUEOUS SOLUTION OF CHROMIUM SALT AND METHOD FOR PRODUCING SAME 有权
标题翻译：铬盐水溶液及其生产方法
公开(公告)号：US20100095867A1
公开(公告)日：2010-04-22
申请号：US12646048
申请日：2009-12-23
申请人： Hideki KOTAKI , Tomohiro Banda , Takashi Hara , Nobuo Takagi
发明人： Hideki KOTAKI , Tomohiro Banda , Takashi Hara , Nobuo Takagi
IPC分类号： C09D5/00
CPC分类号： C01G37/00 , C01G37/14 , C23C22/46 , C23C22/47 , C23C2222/10
摘要： Disclosed is an aqueous solution of a chromium salt, in which the oxalic acid content is 8% by weight or less relative to chromium. In the aqueous solution of the chromium salt, the total organic carbon content is 4% by weight or less relative to chromium. The chromium salt is preferably a chromium chloride, a chromium phosphate, or a chromium nitrate. The chromium chloride preferably contains a basic chromium chloride represented by the composition formula Cr(OH)xCly (wherein 0
摘要翻译：公开了铬酸盐水溶液，其中草酸含量相对于铬为8重量％以下。在铬盐水溶液中，总有机碳含量相对于铬为4重量％以下。铬盐优选为氯化铬，磷酸铬或硝酸铬。氯化铬优选含有由组成式Cr（OH）xCly表示的碱式氯化铬（其中0

8. 发明授权

US08580221B2 Chromium (III) carbonate and process for producing the same 失效
标题翻译：碳酸铬（III）及其制备方法
公开(公告)号：US08580221B2
公开(公告)日：2013-11-12
申请号：US13062478
申请日：2009-08-27
申请人： Hiroyuki Kuwano , Tomohiro Banda , Yasuyuki Tanaka
发明人： Hiroyuki Kuwano , Tomohiro Banda , Yasuyuki Tanaka
IPC分类号： C01B31/24
CPC分类号： C25D3/10 , C01G37/00 , C01P2006/62 , C01P2006/63 , C01P2006/64 , C23C2222/10 , C25D3/06
摘要： The chromium (III) carbonate of the present invention exhibits a light blue color in a solid state. This chromium (III) carbonate has an L* value of 50 to 70, an a* value of −4 to −2, and a b* value of −10 to −7, which are represented by the L*a*b* color system (JIS Z8729). This chromium (III) carbonate is preferably completely dissolved within 30 minutes when the chromium (III) carbonate is added, in an amount corresponding to a Cr content of 1 g, to 1 liter of an aqueous solution of hydrochloric acid having a pH of 0.2 at a temperature of 25° C. This chromium (III) carbonate is preferably obtained by contacting an aqueous solution of carbonate and an aqueous solution containing trivalent chromium at a pH of 6 to 12 under the condition of a reaction liquid temperature of 0° C. or more and less than 50° C. Also, preferably, after production of the chromium (III) carbonate, filtration is performed, and the chromium (III) carbonate is washed with water until the conductivity of the filtrate is 5 mS/cm or less.
摘要翻译：本发明的碳酸铬（III）表现出固态的浅蓝色。该碳酸铬（III）的L *值为50〜70，a *值为-4〜-2，ab *为-10〜-7，由L * a * b *颜色系统（JIS Z8729）。当碳酸铬（III）以相当于Cr含量的1g的量添加碳酸铬（III）至1升pH为0.2的盐酸水溶液时，优选在30分钟内完全溶解该碳酸铬（III）该温度为25℃。这种碳酸铬（III）优选通过在反应液温度为0℃的条件下使碳酸盐水溶液和含有三价铬的水溶液在6至12的pH下接触以上且小于50℃。此外，优选在碳酸铬（III）的制造之后，进行过滤，并用水洗涤碳酸铬（III），直至滤液的电导率为5mS / cm 或更少。

9. 发明申请

US20110162974A1 METHOD FOR MANUFACTURING CHROMIUM HYDROXIDE 审中-公开
标题翻译：制造氢氧化铬的方法
公开(公告)号：US20110162974A1
公开(公告)日：2011-07-07
申请号：US13062473
申请日：2009-08-24
申请人： Hiroyuki Kuwano , Tomohiro Banda , Yasuyuki Tanaka
发明人： Hiroyuki Kuwano , Tomohiro Banda , Yasuyuki Tanaka
IPC分类号： C01G37/02 , C25D3/06
CPC分类号： C01G37/00 , B82Y30/00 , C01G37/02 , C01P2004/62 , C01P2004/64 , C23C2222/10
摘要： In a method for manufacturing chromium hydroxide according to the present invention, chromium hydroxide having higher solubility in an acidic aqueous solution than chromium hydroxide obtained by conventional manufacturing methods can be obtained. The method is characterized by simultaneously adding an aqueous solution of an inorganic alkali and an aqueous solution containing trivalent chromium to an aqueous medium under the condition of a reaction liquid temperature of 0° C. or more and less than 50° C. to produce chromium hydroxide. The pH of the reaction liquid while the aqueous solution containing trivalent chromium and the aqueous solution of the inorganic alkali are added is preferably maintained in the range of 7.0 to 12.
摘要翻译：在根据本发明的氢氧化铬的制造方法中，可以获得在通过常规制造方法获得的比氢氧化铬在酸性水溶液中溶解度高的氢氧化铬。该方法的特征在于，在反应液温度为0℃以上且小于50℃的条件下，同时向含水介质中添加无机碱的水溶液和含有三价铬的水溶液，生成铬氢氧化物。加入含有三价铬的水溶液和无机碱的水溶液时的反应液的pH优选保持在7.0〜12的范围内。

10. 发明申请

US20090194001A1 ORGANIC ACID CHROMIUM (III) SALT AQUEOUS SOLUTION AND PROCESS OF PRODUCING THE SAME 审中-公开
标题翻译：有机酸（III）盐水溶液及其生产方法
公开(公告)号：US20090194001A1
公开(公告)日：2009-08-06
申请号：US12304573
申请日：2007-05-17
申请人： Tomohiro Banda , Shogo Koike , Takashi Hara
发明人： Tomohiro Banda , Shogo Koike , Takashi Hara
IPC分类号： C09D5/00
CPC分类号： C07C51/00 , C07C53/10 , C07C55/06 , C07C55/08 , C07C55/24 , C07C59/06 , C07C59/08 , C07C59/105 , C07C59/245 , C07C59/265
摘要： An aqueous solution containing an organic acid chromium (III) salt represented by general formula: Crm(Ax)n, wherein A represents a residue left after proton removal from an organic acid; x represents a charge of A; and m and n represent integers satisfying equation 3m+xn=0, is disclosed. The aqueous solution contains the organic acid chromium (III) salt in a concentration of 6% by weight or higher in terms of Crm(Ax)n, has impurity ion concentrations of Na≦30 ppm, Fe≦20 ppm, Cl≦0.001%, SO4≦0.03%, and NO3≦20 ppm per 20 wt % concentration of Crm(Ax)n, and is substantially free from chromium (VI).
摘要翻译：含有由通式Crm（Ax）n表示的有机酸铬（III）盐的水溶液，其中A表示在从有机酸中除去质子后残留的残基; x表示A的费用; 并且m和n表示满足式3m + xn = 0的整数。该水溶液含有以Crm（Ax）n计为6重量％以上的有机酸铬（III）盐，杂质离子浓度为Na <= 30ppm，Fe <= 20ppm，Cl < = 0.001％，SO4 <= 0.03％，NO3 = 20ppm / CrM（Ax）n的浓度为20重量％，并且基本上不含铬（VI）。

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