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1. 发明授权

US3983221A Production of basic aluminium nitrate solution 失效
标题翻译：生产碱性硝酸铝溶液
公开(公告)号：US3983221A
公开(公告)日：1976-09-28
申请号：US563761
申请日：1975-03-31
申请人： Jakob Rademachers , Peter Woditsch , Henning Erfurth , Bernd Holle , Wilhelm Schnell
发明人： Jakob Rademachers , Peter Woditsch , Henning Erfurth , Bernd Holle , Wilhelm Schnell
IPC分类号： C01F7/66
CPC分类号： C01F7/66
摘要： A process for the production of basic aluminum nitrate solutions by reacting metallic aluminum with nitric acid, comprising establishing a body of metallic aluminum, supplying additional aluminum to said body, supplying to said body countercurrent to the supply of the additional aluminum nitric acid of a concentration of about 5 to 30% by weight having basic aluminum nitrate dissolved therein and a pH of about 1 to 4, maintaining said body at a temperature of from about 30.degree.C up to the boiling point of the nitric acid, whereby the aluminum reacts with the nitric acid, and removing solution containing reaction product adjacent the point of supply of the additional aluminum and remote from the point of supply of the nitric acid.
摘要翻译：一种通过使金属铝与硝酸反应生产碱式硝酸铝溶液的方法，包括建立金属铝体，向所述体内供应额外的铝，向所述体供给与浓度为的另外的硝酸的供应逆流约5至30重量％，其中溶解有碱式硝酸铝，pH为约1至4，将所述体维持在约30℃至硝酸的沸点，由此铝与硝酸，除去含有反应产物的溶液，邻近附加铝的供应点，远离硝酸的供给点。

2. 发明授权

US4036662A Metal additions to pigments of pseudobrookite-titanium dioxide structure 失效
标题翻译：金属添加剂对假木炭素 - 二氧化钛结构的颜料
公开(公告)号：US4036662A
公开(公告)日：1977-07-19
申请号：US624214
申请日：1975-10-20
申请人： Jacob Rademachers , Henning Erfurth , Franz Hund
发明人： Jacob Rademachers , Henning Erfurth , Franz Hund
IPC分类号： C03C1/04 , C04B14/36 , C08K3/24 , C09C1/36 , C01G23/00 , C01G49/00 , C09C1/22
CPC分类号： C03C1/04 , C04B14/36 , C08K3/24 , C09C1/36 , C01P2002/30 , C01P2002/52
摘要： In the production of temperature-stable inorganic pigment of pseudobrookite-titanium dioxide structure having the composition Fe.sub.2 TiO.sub.5.sup.. x TiO.sub.2, wherein x is from 0 to about 15, by preparing a suspension of finely divided titanium dioxide or titanium dioxide hydrate and at least one of finely divided iron oxide, iron oxide hydroxide, iron hydroxide and iron carbonate, removing the aqueous phase of the suspension from a solid residue and calcining the residue at a temperature in the range of about 600.degree. to 1100.degree.C, the improvement which comprises including in the suspension or in the solid residue at least one compound of a metal selected from the group consisting of lithium, sodium, potassium, magnesium, zinc, calcium, aluminum, copper, vanadium, chromium, manganese, cobalt and nickel, the compound being present in a quantity to provide about 0.1 to 10 % by weight of metal based on the pigment. With the addition of compounds of lithium, sodium, potassium, magnesium, zinc, calcium or aluminum even in small amounts a much purer yellow color results.
摘要翻译：在通过制备细碎二氧化钛或二氧化钛水合物和至少之一中的至少一种制备具有组成为Fe2TiO5.x TiO2（其中x为0至约15）的假构铁矿 - 二氧化钛结构的温度稳定无机颜料细碎的氧化铁，氧化铁氢氧化物，氢氧化铁和碳酸铁，从固体残渣中除去悬浮液的水相，并在约600℃至1100℃的温度下煅烧残渣，其改进包括在悬浮液或固体残余物中，选自锂，钠，钾，镁，锌，钙，铝，铜，钒，铬，锰，钴和镍中的至少一种金属化合物，所述化合物为存在的量为基于颜料提供约0.1至10重量％的金属。即使少量添加锂，钠，钾，镁，锌，钙或铝的化合物，也会产生更纯净的黄色。

3. 发明授权

US4084984A Temperature-stable inorganic yellow pigments 失效
标题翻译：温度稳定的无机黄色颜料
公开(公告)号：US4084984A
公开(公告)日：1978-04-18
申请号：US497366
申请日：1974-08-14
申请人： Franz Hund , Wilhelm Holznagel , Henning Erfurth , Friedrich Kindervater , Willi Hennings
发明人： Franz Hund , Wilhelm Holznagel , Henning Erfurth , Friedrich Kindervater , Willi Hennings
IPC分类号： C09C1/00 , C08K3/24 , C09C1/22 , C09C1/36
CPC分类号： C08K3/24 , C09C1/36 , C01P2002/52 , C01P2006/37
摘要： A temperature-stable inorganic yellow pigment of the composition Fe.sub.2 TiO.sub.5 .multidot. x TiO.sub.2, where x is from 0 to about 15, with a particle diameter of less than about 1 micron is produced by forming an aqueous suspension of at least one finely divided iron compound selected from the group consisting of iron oxide, iron oxide hydroxide, iron hydroxide and iron carbonate and at least one finely divided titanium compound selected from the group consisting of titanium dioxide and titanium dioxide oxide hydrate, the iron and titanium compounds being present in accordance with the stoichiometric composition Fe.sub.2 TiO.sub.5 .multidot. x TiO.sub.2 where x is from 0 to about 15, removing the aqueous phase from the mixed suspension, and calcining the residue at a temperature from about 600.degree. C to 1100.degree. C.
摘要翻译：通过形成至少一种选自以下的细碎铁化合物的水性悬浮液来生产组合物Fe 2 TiO 5 x x TiO 2的温度稳定的无机黄色颜料，其中x为0至约15，粒径小于约1微米由氧化铁，氢氧化铁，氢氧化铁和碳酸铁组成的组和至少一种选自二氧化钛和二氧化钛氧化物水合物的细分钛化合物，铁和钛化合物按照化学计量组合物Fe 2 TiO 5 x x TiO 2，其中x为0至约15，从混合悬浮液中除去水相，并在约600℃至1100℃的温度下煅烧残余物。

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