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1. 发明授权

US4492804A Preparation of primary amines 失效
标题翻译：伯胺的制备
公开(公告)号：US4492804A
公开(公告)日：1985-01-08
申请号：US524318
申请日：1983-08-18
申请人： Gerhard Frank , Peter Rudolf , Gerald Neubauer , Paul Duffner , Manfred Ohlinger , Hans J. Wilfinger , Emil Pfannebecker
发明人： Gerhard Frank , Peter Rudolf , Gerald Neubauer , Paul Duffner , Manfred Ohlinger , Hans J. Wilfinger , Emil Pfannebecker
IPC分类号： C07B61/00 , B01J23/00 , B01J23/745 , C07C67/00 , C07C209/00 , C07C209/48 , C07C211/03 , C07C211/09 , C07C85/12
CPC分类号： C07C209/48 , B01J23/745
摘要： Saturated primary amines are prepared by reacting a nitrile with hydrogen at elevated temperature under superatmospheric pressure in the presence of ammonia and a metallic iron catalyst which has been obtained by reducing anisometric iron oxide particles with hydrogen at not more than 500.degree. C.
摘要翻译：饱和伯胺通过在氨和一种金属铁催化剂的存在下，在高于大气压的高温下在高温下使氢气与氢气反应来制备，所述金属铁催化剂是通过用不大于500℃的氢气还原不等尺寸的氧化铁颗粒而获得的。

2. 发明授权

US4521527A Molded iron catalyst and its preparation 失效
标题翻译：成型铁催化剂及其制备方法
公开(公告)号：US4521527A
公开(公告)日：1985-06-04
申请号：US524319
申请日：1983-08-18
申请人： Gerhard Frank , Peter Rudolf , Gerald Neubauer , Manfred Ohlinger , Hans J. Wilfinger , Emil Pfannebecker , Paul Duffner
发明人： Gerhard Frank , Peter Rudolf , Gerald Neubauer , Manfred Ohlinger , Hans J. Wilfinger , Emil Pfannebecker , Paul Duffner
IPC分类号： B01J23/745 , B01J37/00 , C07B61/00 , C07C67/00 , C07C209/00 , C07C209/48 , C07C211/09 , B01J23/78 , B01J23/74 , C07C87/14
CPC分类号： B01J23/745 , B01J37/0009 , C07C209/48
摘要： Molded iron catalysts which contain metallic iron particles, obtained from anisometric iron oxide particles by contact with hydrogen at .ltoreq.500.degree. C., and a lubricant, are prepared.
摘要翻译：制备含有金属铁颗粒的成型铁催化剂，其通过在500℃下与氢气接触的不等尺寸氧化铁颗粒和润滑剂获得。

3. 发明授权

US5164173A Preparation of stabilized acicular ferromagnetic chromium dioxide 失效
标题翻译：稳定的活性炭黑色二氧化铬的制备
公开(公告)号：US5164173A
公开(公告)日：1992-11-17
申请号：US199865
申请日：1988-05-27
申请人： Norbert Muller , Manfred Ohlinger , Rainer Feser , Bernhard Bottcher , Peter Rudolf , Werner Hubner
发明人： Norbert Muller , Manfred Ohlinger , Rainer Feser , Bernhard Bottcher , Peter Rudolf , Werner Hubner
IPC分类号： C01G37/027 , G11B5/706 , H01F1/11
CPC分类号： C01G37/027 , G11B5/70636 , C01P2004/10 , C01P2006/10 , C01P2006/12 , C01P2006/42
摘要： Stabilized acicular ferromagnetic chromium dioxide is prepared by a method in which the chromium dioxide surface formed as a result of a reductive treatment is treated with adsorbed monobasic or polybasic hydroxycarboxylic acids.
摘要翻译：稳定的针状铁磁性二氧化铬通过其中由还原处理形成的二氧化铬表面用吸附的一元或多元羟基羧酸处理的方法制备。

4. 发明授权

US4362708A Preparation of acicular gamma-iron(III) oxide of high coercive force 失效
标题翻译：制备高矫顽力的针状γ-铁（III）氧化物
公开(公告)号：US4362708A
公开(公告)日：1982-12-07
申请号：US320014
申请日：1981-11-10
申请人： Manfred Ohlinger , Hans Reichert , Guenter Vaeth , Friedrich R. Faulhaber , Horst Autzen , Peter Rudolf , Joachim Werther
发明人： Manfred Ohlinger , Hans Reichert , Guenter Vaeth , Friedrich R. Faulhaber , Horst Autzen , Peter Rudolf , Joachim Werther
IPC分类号： C01G49/02 , C01G49/06 , G11B5/706 , H01F1/11
CPC分类号： G11B5/70663 , C01G49/06 , C01P2004/10 , C01P2006/12 , C01P2006/42
摘要： A process for the preparation of acicular gamma-iron(III) oxide of high coercive force by reducing acicular iron(III) oxide hydroxide, as it is being passed continuously through a furnace having two or more heating zones at from 190.degree. to 700.degree. C., by means of a gas mixture which is produced by passing a stream of inert gas, heated to above 250.degree. C., through an organic substance also heated to above 250.degree. C. in a vessel, and, on introduction into the furnace, is first brought into contact with the .alpha.-iron(III) oxide formed from the iron(III) oxide hydroxide by elimination of water in the first heating zone of the furnace at from 190.degree. to 250.degree. C., the .alpha.-iron(III) oxide thereby being converted to magnetite which is subsequently oxidized with an oxygen-containing gas at from 150.degree. to 400.degree. C., to give gamma-iron(III) oxide.
摘要翻译：一种通过还原针状氧化铁（III）氢氧化物制备高矫顽力的针状γ-铁（III）氧化物的方法，因为它连续通过具有两个或多个加热区的炉子在190℃至700℃ 通过将加热至高于250℃的惰性气体流通过容器中也被加热至高于250℃的有机物质，并通过引入到炉子首先通过在190℃至250℃的炉的第一加热区中消除水而与由氧化铁（III）氧化物形成的α-铁（III）氧化物接触，氧化铁（III），从而转化为磁铁矿，随后在150-400℃下用含氧气体氧化，得到氧化三氯化铁（III）。

5. 发明授权

US4457982A Acicular ferrimagnetic iron oxide and its preparation 失效
标题翻译：针状亚铁磁性氧化铁及其制备方法
公开(公告)号：US4457982A
公开(公告)日：1984-07-03
申请号：US461746
申请日：1983-01-28
申请人： Peter Rudolf , Jenoe Kovacs , Guenter Vaeth , Manfred Ohlinger
发明人： Peter Rudolf , Jenoe Kovacs , Guenter Vaeth , Manfred Ohlinger
IPC分类号： C01G49/00 , C01G49/06 , C09D5/23 , G11B5/706 , H01F1/11
CPC分类号： C01G49/06 , G11B5/70657 , C01P2002/54 , C01P2004/10 , C01P2004/84 , C01P2006/42 , Y10S428/90 , Y10T428/2991
摘要： A modified acicular ferrimagnetic iron oxide which consists of a core of gamma-iron(III) oxide and a surrounding shell of gamma-iron(III) oxide modified by tin dioxide and carbon, and a process for its preparation.
摘要翻译：一种改性的针状亚铁磁性氧化物，其由氧化铁（III）的核心和由二氧化锡和碳改性的γ-铁（III）氧化物的周围壳体及其制备方法组成。

6. 发明授权

US4287233A Manufacture of acicular cobalt-containing magnetic iron oxide 失效
标题翻译：针状钴磁性氧化铁的制造
公开(公告)号：US4287233A
公开(公告)日：1981-09-01
申请号：US116543
申请日：1980-01-29
申请人： Peter Rudolf , Werner Steck , Eberhard Koester , Manfred Ohlinger , Christof Jaeckh
发明人： Peter Rudolf , Werner Steck , Eberhard Koester , Manfred Ohlinger , Christof Jaeckh
IPC分类号： G11B5/706 , C01G49/06
CPC分类号： G11B5/70657
摘要： A process for the manufacture of acicular magnetic iron oxide consisting of core of gamma-iron(III) oxide and a ferrite shell which contains, based on the total amount of magnetic material, from 0.2 to 12 per cent by weight of cobalt(II) ions and from 0.1 to 15 per cent by weight of iron(II) ions, wherein a precipitate of cobalt(II) hydroxide and iron (II) hydroxide is applied to acicular gamma-iron(III) oxide particles and the latter are heated at 100.degree.-200.degree. C.
摘要翻译：制造由γ-铁（III）氧化物核心和铁氧体壳组成的针状磁性氧化铁的方法，其包含基于磁性材料总量的0.2至12重量％的钴（II）离子和0.1至15重量％的铁（II）离子，其中将氢氧化钴（II）和氢氧化铁（II）的沉淀物施加到针状γ-铁（III）氧化物颗粒上，并将后者加热至 100℃-200℃

7. 发明授权

US4497723A Preparation of acicular, ferrimagnetic iron oxides 失效
标题翻译：针状，亚铁磁性氧化铁的制备
公开(公告)号：US4497723A
公开(公告)日：1985-02-05
申请号：US508168
申请日：1983-06-27
申请人： Manfred Ohlinger , Guenter Vaeth , Peter Rudolf , Wilhelm Sarnecki , Helmut Jakusch , Eberhard Koester , Milena Melzer
发明人： Manfred Ohlinger , Guenter Vaeth , Peter Rudolf , Wilhelm Sarnecki , Helmut Jakusch , Eberhard Koester , Milena Melzer
IPC分类号： C01G49/02 , C01G49/06 , G11B5/706 , H01F1/11 , C01G49/08
CPC分类号： B82Y30/00 , C01G49/06 , G11B5/70694 , C01P2002/60 , C01P2004/10 , C01P2004/64 , C01P2006/12 , C01P2006/42
摘要： A process for the preparation of acicular ferrimagnetic iron oxides by reducing gamma-iron(III) oxide hydroxide to magnetite, at from 280.degree. to 620.degree. C., by means of an organic compound which is decomposable at this temperature in the presence of iron oxide, and, optionally, a stream of reducing gas, and, if desired, then oxidizing the magnetite with oxygen-containing gases, at from 150.degree. to 450.degree. C., to acicular ferrimagnetic iron oxide of the formula FeO.sub.x, where x is from above 1.33 to 1.50, wherein the organic compound used for the reduction is a non-polar glycerol ester of a fatty acid which is introduced into the aqueous reaction suspension during the preparation of the gamma-iron(III) oxide hydroxide.
摘要翻译：一种制备针状亚铁磁性氧化铁的方法，该方法是通过在这种温度下在铁存在下可分解的有机化合物将280℃至620℃的氧化氢氧化物还原成磁铁矿氧化物和任选的还原气体流，并且如果需要，然后用含氧气体在150℃至450℃下将磁铁矿氧化成式FeO x的针状亚铁磁性氧化铁，其中x为从1.33到1.50，其中用于还原的有机化合物是在制备γ-铁（III）氧化物氢氧化物期间引入到水性反应悬浮液中的非极性甘油酯脂肪酸酯。

8. 发明授权

US4670177A Preparation of ferromagnetic chromium dioxide 失效
标题翻译：制备铁磁性二氧化铬
公开(公告)号：US4670177A
公开(公告)日：1987-06-02
申请号：US763318
申请日：1985-08-07
申请人： Manfred Ohlinger , Norbert Mueller , Peter Rudolf , Eugen Wettstein
发明人： Manfred Ohlinger , Norbert Mueller , Peter Rudolf , Eugen Wettstein
IPC分类号： H01F1/11 , C01G37/027 , C09D5/23 , C09D7/12 , G11B5/706
CPC分类号： C01G37/027 , G11B5/70636 , C01P2004/10 , C01P2004/82 , C01P2006/11 , C01P2006/12 , C01P2006/42
摘要： Ferromagnetic chromium dioxide is prepared by converting oxides of trivalent and hexavalent chromium under superatmospheric pressure and at elevated temperatures in the presence of water and with the addition of an antimony compound as a modifier and, if required, further additives in an amount of not more than 15% by weight, by a method in which the antimony compound is present in the form of a water-soluble salt whose anion contains one or more organic molecular moieties which are oxidized in concentrated chromic acid.
摘要翻译：铁氧二氧化铬通过在超大气压和高温下在水存在下转化三价和六价铬的氧化物并通过添加锑化合物作为改性剂并且如果需要的话添加量不超过 15重量％的方法，其中锑化合物以水溶性盐的形式存在，其阴离子含有一个或多个在浓缩的铬酸中氧化的有机分子部分。

9. 发明授权

US5209970A Magnetic recording media 失效
标题翻译：磁记录媒体
公开(公告)号：US5209970A
公开(公告)日：1993-05-11
申请号：US567066
申请日：1990-08-13
申请人： Manfred Ohlinger , Jenoe Kovacs
发明人： Manfred Ohlinger , Jenoe Kovacs
IPC分类号： C09D5/23 , C09D7/12 , G11B5/706
CPC分类号： G11B5/70636 , G11B5/70673 , G11B5/70678 , Y10S428/90 , Y10T428/257
摘要： Abstract of the Disclosure: Magnetic recording media comprise a nonmagnetic substrate and a magnetizable layer arranged thereon and essentially consisting of a magnetic material from the group consisting of the cobalt-modified iron oxides and of the hexagonal ferrites and inorganic fillers finely dispersed in organic binders, the inorganic filler used being ferromagnetic chromium dioxide.
摘要翻译：摘要揭示：磁记录介质包括非磁性基片和可磁化层，其主要由钴改性铁氧化物和六方晶系铁氧体组成的组的磁性材料和细分散在有机粘合剂中的无机填料组成，所用的无机填料是铁磁性二氧化铬。

10. 发明授权

US4212903A Improving the magnetic properties of gamma-iron (III) oxide 失效
标题翻译：提高γ-铁（III）氧化物的磁性能
公开(公告)号：US4212903A
公开(公告)日：1980-07-15
申请号：US770989
申请日：1977-02-22
申请人： Georg Schnell , Fritz Hammon , Manfred Ohlinger
发明人： Georg Schnell , Fritz Hammon , Manfred Ohlinger
IPC分类号： G11B5/706 , H01F10/00 , B05D5/12
CPC分类号： G11B5/70647 , G11B5/70652 , G11B5/70657 , Y10S428/90
摘要： The invention relates to a process for improving the magnetic properties, especially the remanent magnetization, of gamma-iron(III) oxide which can be used advantageously as the magnetic component in magnetic recording media exhibiting reduced print-through. For this purpose, a gamma-iron(III) oxide manufactured according to known processes is heated at temperatures of from 400.degree. to 700.degree. C., the magnetic pigment having basic compounds on the crystal surface during this heat treatment and retaining a pH value above 8 until heating is over. Gamma-iron(III) oxide magnetic pigments treated in this way are particularly suitable for the manufacture of low-noise magnetic recording media with high remanent magnetization and particularly low print-through.
摘要翻译：本发明涉及一种用于改善氧化铁（III）的磁性能，特别是剩余磁化的方法，该方法可以有利地用作磁记录介质中的磁性组分，这些磁性组分表现出减少的打印通量。为此，根据已知方法制造的γ-铁（III）氧化物在400℃至700℃的温度下加热，该磁性颜料在该热处理期间在晶体表面上具有碱性化合物，并保持pH值高于8，直到加热结束。以这种方式处理的氧化镍（III）磁性颜料特别适用于制造具有高剩余磁化强度和特别是低打印通量的低噪声磁记录介质。

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