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11. 发明授权

US4211565A Iron oxide-based anti-corrosion pigments 失效
标题翻译：氧化铁基防腐颜料
公开(公告)号：US4211565A
公开(公告)日：1980-07-08
申请号：US923517
申请日：1978-07-10
申请人： Franz Hund , Gunter Linde , Peter Kresse
发明人： Franz Hund , Gunter Linde , Peter Kresse
IPC分类号： C09C1/22 , C09C1/34 , C09D5/08 , C09C1/02 , C09C1/04 , C09C1/24
CPC分类号： C09C1/34 , C09C1/22 , C09D5/084 , C01P2004/82 , C01P2006/12
摘要： An anti-corrosion pigment comprising about 30 to 70 mole % of an oxide of at least one metal selected from the group consisting of magnesium, calcium and zinc, about 70 to 30 mole % of Fe.sub.2 O.sub.3, and up to about 20 mole % of Cr.sub.2 O.sub.3, the pigment having a specific surface of about 1 to 30 m.sup.2 /g and exhibiting a weight loss of less than about 0.05% per gram of pigment by the Thomson corrosion test, is produced by calcining the corresponding metal oxides. The temperature is about 200.degree. to 650.degree. C. in the absence of chromium and about 200.degree. to 900.degree. C. when chromium is present.
摘要翻译：一种抗蚀颜料，其包含约30至70摩尔％的选自镁，钙和锌的至少一种金属的氧化物，约70至30摩尔％的Fe 2 O 3，以及至多约20摩尔％的Cr 2 O 3 通过汤姆森腐蚀试验，通过煅烧相应的金属氧化物来制造具有约1至30m 2 / g的比表面积并且通过Thomson腐蚀试验显示小于约0.05％的每克颜料的重量损失的颜料。当铬不存在时，温度约为200〜650℃，铬存在时温度约为200〜900℃。

12. 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。

13. 发明授权

US4323596A Coating iron oxide particles for magnetic recording 失效
标题翻译：涂覆用于磁记录的氧化铁颗粒
公开(公告)号：US4323596A
公开(公告)日：1982-04-06
申请号：US21870
申请日：1979-03-19
申请人： Gunter Buxbaum , Ingo Pflugmacher , Franz Hund , Volker Hahnkamm , Peter Woditsch
发明人： Gunter Buxbaum , Ingo Pflugmacher , Franz Hund , Volker Hahnkamm , Peter Woditsch
IPC分类号： G11B5/712 , C01G49/00 , C01G49/02 , C09D5/23 , C09D7/12 , C09D9/04 , G11B5/706 , H01F1/11 , B22F1/02 , G11B5/62
CPC分类号： G11B5/70657 , G11B5/70663 , G11B5/70668 , Y10S428/90 , Y10T428/25 , Y10T428/257 , Y10T428/261 , Y10T428/2991
摘要： In the preparation of highly orientatable needle-shaped ferrimagnetic iron oxide particles by the reduction and reoxidation of needle-shaped particles of hydrated oxide of iron which have been surface treated against sintering the improvement which comprises effecting the surface treatment by applying to the particles of hydrated oxide of iron one layer of oxygen-containing anions and a further layer of polyvalent cations, each layer weighing about 0.02 to 2% by weight of the particle. Advantageously, the polyvalent cation-containing layer is applied between two oxygen-containing anion layers, the oxygen-containing anions used are selected from the group consisting of silicate, phosphate, borate, vanadate, molybdate and tungstate, the polyvalent cations used are selected from the group consisting of aluminum, chromium, manganese, iron and gallium, each layer weighs about 0.1 to 1% of the weight of the particles and before the reduction and reoxidation the surface treated particles of hydrated oxide of iron are tempered at a temperature of about 600.degree. to 900.degree. C.
摘要翻译：在通过还原和再氧化已经对烧结进行表面处理的铁的水合氧化物的针状颗粒的还原和再氧化制备高度取向的针状亚铁磁性氧化铁颗粒时，其改进包括通过施加到水合物的颗粒进行表面处理铁氧化物一层含氧阴离子和另一层多价阳离子，每层重量为颗粒重量的约0.02至2重量％。有利地，将多价阳离子层施加在两个含氧阴离子层之间，所用的含氧阴离子选自硅酸盐，磷酸盐，硼酸盐，钒酸盐，钼酸盐和钨酸盐，所使用的多价阳离子选自由铝，铬，锰，铁和镓组成的组，各层重量为颗粒重量的约0.1至1％，在还原和再氧化之前，表面处理的铁水合氧化物颗粒在约 600〜900℃

14. 发明授权

US4140539A Hydrothermal process for producing dense iron oxide pigments 失效
标题翻译：水热法生产氧化铁的颜料
公开(公告)号：US4140539A
公开(公告)日：1979-02-20
申请号：US817079
申请日：1977-07-18
申请人： Franz Hund , Gunter Buxbaum , Lutz Leitner , Ingo Pflugmacher
发明人： Franz Hund , Gunter Buxbaum , Lutz Leitner , Ingo Pflugmacher
IPC分类号： C09C1/22 , C01G49/00 , C01G49/02 , C09C1/00 , C09C1/24 , G11B5/706 , C04B35/26
CPC分类号： C09C1/24 , G11B5/70647 , G11B5/70652 , G11B5/70673 , C01P2002/30 , C01P2006/42
摘要： An acicular to prismatic ferrimagnetic iron oxide pigment with a porosity of less than about 10% by volume, and optionally containing up to about 15% by weight of other metal oxides such as Zn or especially Co, are produced by heating a suspension of iron(III)oxide hydroxide in an autoclave to a temperature above about 100.degree. C in the presence of at least one mono-, di- or tri-saccharide, at least one alkali metal or alkaline earth metal hydroxide or carbonate and excess water, and washing, filtering and drying the resulting pigments.
摘要翻译：通过加热铁的悬浮液（以下）制备孔隙率小于约10体积％的针状至棱柱型亚铁磁性氧化铁颜料，并且任选地含有至多约15重量％的其它金属氧化物如Zn或特别是Co， III）氧化物氢氧化物在高于约100℃的温度下，在至少一种一糖，二糖或三糖，至少一种碱金属或碱土金属氢氧化物或碳酸盐和过量的水的存在下进行，并洗涤，过滤并干燥所得颜料。

15. 发明授权

US3974079A Production of gamma iron oxide 失效
标题翻译：生产γ氧化铁
公开(公告)号：US3974079A
公开(公告)日：1976-08-10
申请号：US412488
申请日：1973-11-02
申请人： Peter Woditsch , Kurt Hill , Franz Hund , Fritz Rodi
发明人： Peter Woditsch , Kurt Hill , Franz Hund , Fritz Rodi
IPC分类号： C01G49/06 , C09C1/24 , G11B5/706 , H01F1/113
CPC分类号： H01F1/113 , C01G49/06 , C09C1/24 , G11B5/70647 , G11B5/70652 , G11B5/70663 , C01P2004/10 , C01P2004/54 , C01P2004/62 , C01P2006/42 , C01P2006/80
摘要： Process for producing ferromagnetic iron oxides whereby a solution of a ferrous salt is oxidized in the presence of .alpha.-FeO(OH) seed, a basic precipitant, and phosphoric acid or a water soluble salt thereof to form .alpha.-FeO(OH), which can be dehydrated, optionally tempered, reduced and re-oxidized to needle-shaped .gamma.-Fe.sub.2 O.sub.3. The resulting product has high coercive force values which make it especially useful for magnetic impulse recording and reproduction.
摘要翻译：制备铁磁性氧化铁的方法，其中亚铁盐溶液在α-FeO（OH）种子，碱性沉淀剂和磷酸或其水溶性盐的存在下被氧化以形成α-FeO（OH），其中可以脱水，任选回火，还原和再氧化成针状γ-Fe2O3。所得到的产品具有高的矫顽力值，使其对于磁脉冲记录和再现特别有用。

16. 发明授权

US3947502A Production of finely divided acicular magnetic iron oxides 失效
标题翻译：精细分散的针状磁性氧化铁的生产
公开(公告)号：US3947502A
公开(公告)日：1976-03-30
申请号：US322819
申请日：1973-01-11
申请人： Lutz Leitner , Franz Hund
发明人： Lutz Leitner , Franz Hund
IPC分类号： C01G49/06 , G11B5/706 , H01F1/11 , C01G49/02
CPC分类号： G11B5/70663 , C01G49/06 , G11B5/70642 , G11B5/70657 , C01P2004/10 , C01P2006/42 , C01P2006/80
摘要： In the production of acicular, ferromagnetic iron oxide of high coercive force by oxidizing an iron (II)-hydroxide suspension with an oxygen-containing gas to form acicular iron (III) oxide hydroxide and dehydrating the iron (III) oxide hydroxide, optionally tempering, reducing and/or reoxidizing this into magnetic iron oxide, the improvement which comprises effecting the oxidation of the iron (II)-hydroxide suspension at a pH of at least about 13, the suspension including SiO.sub.2 in the form of a sol or soluble salt, the resulting iron (III) oxide hydroxide having SiO.sub.2 deposited thereon.
摘要翻译：在通过用含氧气体氧化铁（II） - 氢氧化物悬浮液以形成氧化氢氧化物的针状铁（III）和使氧化氢（III）氢氧化物脱水，生产具有高矫顽力的铁磁性氧化铁，任选回火，将其还原和/或再氧化成磁性氧化铁，其改进包括在至少约13的pH下进行铁（II） - 氢氧化物悬浮液的氧化，所述悬浮液包括溶胶或可溶性盐形式的SiO 2 ，所得到的沉积有SiO 2的氧化铁（III）氢氧化物具有SiO 2。

17. 发明授权

US4404254A Production of lamellar iron oxide pigments 失效
标题翻译：生产层状氧化铁颜料
公开(公告)号：US4404254A
公开(公告)日：1983-09-13
申请号：US281134
申请日：1981-07-07
申请人： Gerhard Franz , Franz Hund
发明人： Gerhard Franz , Franz Hund
IPC分类号： C01G49/02 , C01G49/00 , C01G49/06 , C09C1/24 , C09D5/08 , C09D17/00 , G11B5/706 , H01F1/11 , H01F1/36 , C01G49/08 , C04B35/26
CPC分类号： C09C1/245 , C01G49/06 , G11B5/70642 , H01F1/36 , C01P2002/60 , C01P2004/20 , C01P2004/22 , C01P2004/54 , C01P2004/61 , C01P2004/62 , C01P2006/12 , C01P2006/62 , C01P2006/65 , C01P2006/66 , C01P2006/80 , Y10S428/90 , Y10T428/257
摘要： Synthetic, hexagonal, lamellar iron oxide particles, suitable as corrosion-inhibiting or decorative colored pigments, containing about 0.1 to 12% by weight of at least one oxide of an element of the IVth, Vth or VIth Main and Secondary Groups and of the IInd Secondary Group of the Periodic System of Elements.
摘要翻译：适合作为腐蚀抑制或装饰性有色颜料的合成六角形层状氧化铁颗粒，其包含约0.1至12重量％的IV，Vth或VI主要和次要组分的元素和IInd的至少一种氧化物元素周期制第二组。

18. 发明授权

US4400432A Coating iron oxide particles for magnetic recording 失效
公开(公告)号：US4400432A
公开(公告)日：1983-08-23
申请号：US305577
申请日：1981-09-24
申请人： Gunter Buxbaum , Ingo Pflugmacher , Franz Hund , Volker Hahnkamm , Peter Woditsch
发明人： Gunter Buxbaum , Ingo Pflugmacher , Franz Hund , Volker Hahnkamm , Peter Woditsch
IPC分类号： G11B5/712 , C01G49/00 , C01G49/02 , C09D5/23 , C09D7/12 , C09D9/04 , G11B5/706 , H01F1/11 , B32B5/16 , B22F1/02 , G11B5/62
CPC分类号： G11B5/70657 , G11B5/70663 , G11B5/70668 , Y10S428/90 , Y10T428/25 , Y10T428/257 , Y10T428/261 , Y10T428/2991
摘要： In the preparation of highly orientatable needle-shaped ferrimagnetic iron oxide particles by the reduction and reoxidation of needle-shaped particles of hydrated oxide of iron which have been surface treated against sintering the improvement which comprises effecting the surface treatment by applying to the particles of hydrated oxide of iron one layer of oxygen-containing anions and a further layer of polyvalent cations, each layer weighing about 0.02 to 2% by weight of the particle. Advantageously, the polyvalent cation-containing layer is applied between two oxygen-containing anion layers, the oxygen-containing anions used are selected from the group consisting of silicate, phosphate, borate, vanadate, molybdate and tungstate, the polyvalent cations used are selected from the group consisting of aluminum, chromium, manganese, iron and gallium, each layer weighs about 0.1 to 1% of the weight of the particles and before the reduction and reoxidation the surface treated particles of hydrated oxide of iron are tempered at a temperature of about 600.degree. to 900.degree. C.

19. 发明授权

US4369265A Readily dispersible silicone-coated finely divided solids 失效
标题翻译：易分散的有机硅涂层细碎的固体
公开(公告)号：US4369265A
公开(公告)日：1983-01-18
申请号：US160782
申请日：1980-06-18
申请人： Gunter Buxbaum , Ottfried Schlak , Franz Hund , Lutz Leitner
发明人： Gunter Buxbaum , Ottfried Schlak , Franz Hund , Lutz Leitner
IPC分类号： C09C1/24 , C09C3/00 , C09C3/12 , C09D5/23 , C09D9/00 , C09D11/00 , C09D11/02 , G11B5/706 , G11B5/712 , H01F1/06
CPC分类号： G11B5/70647 , C09C1/24 , C09C3/12 , G11B5/712 , H01F1/061 , C01P2004/84 , C01P2006/42 , Y10T428/2991 , Y10T428/2995
摘要： Readily dispersible finely divided solids such as pigments, coated with an organo-silicone polymer of the formula ##EQU1## wherein R.sup.I, R.sup.II, R.sup.III each independently is an optionally halogenated alkyl, alkenyl or aryl radical having from 1 to 10 carbon atoms;R.sup.IV is an alkyl or alkenyl radical having from 9 to 24 carbon atom;R.sup.V is an alkyl or alkenyl radical having from 1 to 8 carbon atoms;the sum of a+b+c is from 1 to about 1.95;d is a number from about 0.2 to 2;e and f each independently is a number from 0 to 1;the sum of d+e+f is from about 0.2 to 2; andthe sum of a+b+c+d+e+f is up to 3.
摘要翻译：易于分散的细分固体如颜料，涂覆有下式的有机硅聚合物：其中RI，RII，RIII各自独立地为具有1-10个碳原子的任意卤代的烷基，烯基或芳基; RIV是具有9-24个碳原子的烷基或烯基; RV是具有1至8个碳原子的烷基或烯基; a + b + c的和为1〜约1.95; d为约0.2至2的数; e和f各自独立地为0至1的数; d + e + f的和为约0.2〜2; 并且a + b + c + d + e + f的和高达3。

20. 发明授权

US4290799A Ferromagnetic metal pigment essentially consisting of iron and a process for its production 失效
标题翻译：基本上由铁组成的铁磁金属颜料及其生产方法
公开(公告)号：US4290799A
公开(公告)日：1981-09-22
申请号：US124399
申请日：1980-02-25
申请人： Gerhard Schroeder , Gunter Buxbaum , Franz Hund , Heinrich-Christian Schopper , Rolf Naumann
发明人： Gerhard Schroeder , Gunter Buxbaum , Franz Hund , Heinrich-Christian Schopper , Rolf Naumann
IPC分类号： B22F9/22 , B22F9/20 , G11B5/706 , H01F1/047 , H01F1/06 , B22F1/00
CPC分类号： H01F1/065 , G11B5/70615
摘要： A metal powder, suitable for magnetic recording, consisting essentially of iron, the individual particles being acicular and containing on average no more then 5 pores and consisting on average of no more than 2 metal cores is produced by precipitating and oxidizing an aqueous iron-(II)-salt solution to produce finely divided acicular iron-(III)-oxide-hydroxide, stabilizing it as by treatment with cadmium, lead, calcium, magnesium, zinc, aluminum, chromium, tungsten, a phosphorus oxide and/or a boron oxide, converting it into ferromagnetic iron oxide of low pore content, and reducing it to metallic iron with a gaseous reducing agent at about 300.degree. to 600.degree. C.
摘要翻译：一种适用于磁记录的金属粉末，主要由铁组成，单个颗粒是针状的并且平均包含不超过5个孔，平均不超过2个金属芯构成，通过沉淀和氧化铁 - （ II）盐溶液以产生细分的针状铁 - （III） - 氧化物氢氧化物，通过用镉，铅，钙，镁，锌，铝，铬，钨，磷氧化物和/或硼处理来稳定化氧化物，将其转化成低孔含量的铁磁性氧化铁，并在约300℃至600℃下用气态还原剂将其还原成金属铁。

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