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公开(公告)号:US4001137A
公开(公告)日:1977-01-04
申请号:US589916
申请日:1975-06-24
申请人: Ralf Steinstrasser
发明人: Ralf Steinstrasser
CPC分类号: C09K19/2007
摘要: Compounds of the general formula ##STR1## wherein n is 0, 1 or 2, R.sub.1 is straight-chain alkyl or alkoxy of 1-7 carbon atoms or straight-chain alkanoyloxy of 2-7 carbon atoms, and R.sub.2 is straight-chain alkyl or alkoxy of 1-7 carbon atoms with the proviso that when n is 0, R.sub.1 and R.sub.2 together contain at least 4 carbon atoms, which form nematic phases, can be produced by reacting a phenol of the general formula ##STR2## WHEREIN R.sub.2 has the values given above, and p is 0, 1 or 2 or a corresponding phenolate, with an aromatic carboxylic acid of the general formula ##STR3## WHEREIN R.sub.1 has the values given above, and q is 0, 1 or 2, and the sum p + q is n, or with a reactive derivative of this acid.
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公开(公告)号:US5238663A
公开(公告)日:1993-08-24
申请号:US758070
申请日:1991-09-12
申请人: Werner Vikari , Ralf Steinstrasser , Heinrich Nikolaus , Gunther Feldmann-Schlohbohm , Klaus Behne
发明人: Werner Vikari , Ralf Steinstrasser , Heinrich Nikolaus , Gunther Feldmann-Schlohbohm , Klaus Behne
IPC分类号: C02F1/42 , B01D21/00 , B01J23/94 , B01J25/04 , B01J45/00 , C02F1/62 , C02F1/70 , C02F9/00 , C22B3/02 , C22B23/00
CPC分类号: C22B23/0461 , B01D21/00 , B01D21/0012 , B01D21/0045 , B01D21/0057 , B01D21/009 , B01D21/01 , B01J23/94 , B01J25/04 , B01J45/00 , C02F1/70 , C22B23/0453 , C22B3/02 , C22B3/42 , C02F1/001 , C02F1/42 , C02F1/52 , C02F1/66 , C02F2001/007 , C02F2101/20 , C02F2303/16 , Y02P10/234
摘要: The invention relates to a process for recovering nickel from industrial effluents, characterized in thata) the effluent loaded with nickel is allowed to settle in a corrugated-plate separator (1) for the removal of solid constituents contained therein,b) a flocculant is added and the mixture is neutralized with alkali or mineral acid,c) after flocculation, the mixture is again allowed to settle in a corrugated-plate separator (3) andd) filtered through a sand filter (4),e) the filtered effluent is passed through a sequestering cation exchanger system containing three exchanger columns, the first column (5) being loaded up to breakthrough of nickel, the second column (6) serving as a guard filter and the third column (7) being regenerated or standing by in the freshly regenerated state,f) the particular column loaded with nickel is regenerated with dilute mineral acid, andg) the regenerate is treated with sodium hypophosphite in the presence of catalytic quantities of sodium borohydride, and to equipment for carrying out this process.
摘要翻译: 本发明涉及从工业废水中回收镍的方法,其特征在于:a)将负载有镍的流出物放在波纹板分离器(1)中以除去其中所含的固体成分,b)絮凝剂 并且混合物用碱或无机酸中和,c)絮凝后,再次将混合物沉淀在波纹板分离器(3)中,并且d)通过砂滤器(4)过滤,e)过滤的流出物 通过含有三个交换器柱的隔离阳离子交换器系统,第一塔(5)被加载到镍的穿透点,第二塔(6)用作保护过滤器,第三塔(7)被再生或站立 在新鲜再生的状态下,f)装载镍的特定柱子用稀释的无机酸再生,g)在催化量的硼钠存在下,用次磷酸钠处理再生物 氢化物和用于进行该过程的设备。
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公开(公告)号:US4002670A
公开(公告)日:1977-01-11
申请号:US277502
申请日:1972-08-03
申请人: Ralf Steinstrasser
发明人: Ralf Steinstrasser
IPC分类号: C03C17/32 , C07C67/08 , C07C69/76 , C07C69/773 , C07C69/90 , C07C69/92 , C09K9/02 , C09K19/20 , G02F1/13 , H04M1/03 , H04M1/05
CPC分类号: C09K19/2007 , C09K2019/2035
摘要: Compounds of the general formula ##STR1## wherein n is 0, 1 or 2, R.sub.1 is straight-chain alkyl or alkoxy of 1-7 carbon atoms or straight-chain alkanoyloxy of 2-7 carbon atoms, and R.sub.2 is straight-chain alkyl or alkoxy of 1-7 carbon atoms with the proviso that when n is 0, R.sub.1 and R.sub.2 together contain at least 4 carbon atoms, which form nematic phases, can be produced by reacting a phenol of the general formula ##STR2## wherein R.sub.2 has the values given above, and p is 0, 1 or 2 or a corresponding phenolate, with an aromatic carboxylic acid of the general formula ##STR3## wherein R.sub.1 has the values given above, and q is 0, 1 or 2, and the sum p + q is n, or with a reactive derivative of this acid.
摘要翻译: 通式为“IMAGE”的化合物,其中n为0,1或2,R1为1-7个碳原子的直链烷基或烷氧基或2-7个碳原子的直链烷酰氧基,R2为直链烷基 或1-7个碳原子的烷氧基,条件是当n为0时,R 1和R 2一起含有至少4个形成向列相的碳原子,可以通过使通式为“ 上述给出的值,p为0,1或2,或相应的酚盐,其中通式为“IMAGE”的芳族羧酸,其中R1具有上述给出的值,q为0,1或2, p + q是n,或与该酸的反应性衍生物反应。
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公开(公告)号:US4012434A
公开(公告)日:1977-03-15
申请号:US625550
申请日:1975-10-24
申请人: Ralf Steinstrasser
发明人: Ralf Steinstrasser
IPC分类号: C07C69/773 , C09K19/20 , C07C69/76
CPC分类号: C09K19/2007
摘要: Compounds of the general formula ##STR1## wherein n is 0, 1 or 2, R.sub.1 is straight-chain alkyl or alkoxy of 1-7 carbon atoms or straight-chain alkanoyloxy of 2-7 carbon atoms, and R.sub.2 is straight-chain alkyl or alkoxy of 1-7 carbon atoms with the proviso that when n is 0, R.sub.1 and R.sub.2 together contain at least 4 carbon atoms, which form nematic phases, can be produced by reacting a phenol of the general formula ##STR2## WHEREIN R.sub.2 has the values given above, and p is 0, 1 or 2 or a corresponding phenolate, with an aromatic carboxylic acid of the general formula ##STR3## WHEREIN R.sub.1 has the values given above, and q is 0, 1 or 2, and the sum p + q is n, or with a reactive derivative of this acid.
摘要翻译: 通式为“IMAGE”的化合物,其中n为0,1或2,R1为1-7个碳原子的直链烷基或烷氧基或2-7个碳原子的直链烷酰氧基,R2为直链烷基 或1-7个碳原子的烷氧基,条件是当n为0时,R 1和R 2一起含有至少4个碳原子,形成向列相,可以通过使具有下列通式的酚: 上述给出的值,p为0,1或2,或相应的酚盐,其中通式为“IMAGE”的芳香族羧酸具有上述给出的值,q为0,1或2, p + q是n,或与该酸的反应性衍生物反应。
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公开(公告)号:US5958471A
公开(公告)日:1999-09-28
申请号:US669470
申请日:1996-07-08
IPC分类号: A23F5/38 , A23G3/34 , A23G4/00 , A23G4/10 , A23L27/30 , A61K9/20 , A61K47/10 , C07C31/18 , C07C31/26 , A23G3/00 , A23G3/30 , A23L1/302
CPC分类号: A23G3/346 , A23F5/385 , A23G4/10 , A23L27/34 , A61K9/2018 , C07C31/26 , A23G2200/06
摘要: The invention relates to a spray dried composition consisting essentially of sorbitol, xylitol and mannitol, the method of making the composition and the use thereof in a compacted article or chewing gum products.
摘要翻译: PCT No.PCT / EP95 / 04059 Sec。 371日期:1996年6月8日 102(e)日期1996年6月8日PCT提交1995年10月16日PCT公布。 出版物WO96 / 14282 日期1996年5月17日本发明涉及基本上由山梨糖醇,木糖醇和甘露醇组成的喷雾干燥组合物,在压实制品或口香糖产品中制备组合物及其用途的方法。
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公开(公告)号:US3953491A
公开(公告)日:1976-04-27
申请号:US533823
申请日:1974-12-18
申请人: Ralf Steinstrasser , Georg Weber
发明人: Ralf Steinstrasser , Georg Weber
IPC分类号: C07C37/62 , C09K19/20 , C07C69/90 , C07C121/64 , C07C121/75
CPC分类号: C07C255/00 , C07C37/62 , C09K19/2007
摘要: Nematic esters of the formula ##SPC1##Wherein R.sub.1 and R.sub.2 are each alkyl, alkoxyalkyl, alkoxy or alkoxyalkoxy of 1 to 10 carbon atoms, X is CN or NO.sub.2 and Y is H or X which are useful for influencing the electrooptic properties of other nematic compositions.
摘要翻译: 式WHEREIN R 1和R 2的向列酯各自为1-10个碳原子的烷基,烷氧基烷基,烷氧基或烷氧基烷氧基,X为CN或NO 2,Y为H或X,可用于影响其它向列组合物的电光性质。
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公开(公告)号:US4011173A
公开(公告)日:1977-03-08
申请号:US461653
申请日:1974-04-17
申请人: Ralf Steinstrasser
发明人: Ralf Steinstrasser
CPC分类号: C09K19/42
摘要: Nematic mixtures on the basis of derivatives of azoxybenzene and/or the phenyl ester of benzoic acid, containing at least one compound of the general formulaX -- R -- Ywherein X represents straight-chain alkyl of 4-9 carbon atoms or dialkylamino of 2-4 carbon atoms, Y represents cyano, nitro, or trifluoromethyl, and R represents a divalent group of the Formula 2a, 2b, 2c, or 2d: ##STR1## AND OPTIONALLY ADDITIONALLY ONE OR MORE COMPOUNDS OF Formula 3 ##STR2## wherein R.sub.1 and R.sub.2 represent alkyl or alkoxy of 1-8 carbon atoms, possess a positive dielectric anisotropy and are advantageously utilized as dielectrics in liquid/crystal cells with homogeneous orientation.
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