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公开(公告)号：TR9801163T2
公开(公告)日：1998-09-21
申请号：TR9801163
申请日：1996-12-20
CPC classification number: C01B21/1445 , B01D3/146 , B01D3/38 , C01B21/1463 , C01B21/1472
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公开(公告)号：NO982847L
公开(公告)日：1998-08-17
申请号：NO982847
申请日：1998-06-19
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公开(公告)号：NO982848D0
公开(公告)日：1998-06-19
申请号：NO982848
申请日：1998-06-19
Applicant: BASF AG
Inventor： SCHNEIDER HANS-MICHAEL , LEUTNER BERND
IPC: C07C20060101 , C01B21/14 , C07C215/00 , C07D521/00 , C01B
Abstract: The present invention relates to stabilized hydroxylamine solutions comprising as stabilizer at least one compound of the formula I R1R2N-A-NR3R4 (I) in which A and R1 to R4 are as defined in the description.
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公开(公告)号：NO975601D0
公开(公告)日：1997-12-03
申请号：NO975601
申请日：1997-12-03
Applicant: BASF AG
Inventor： FRIEDRICH HOLGER , HOPPE KLAUS-DIETER , LEUTNER BERND , SCHLAEFER DIETER , HECKY KURT
Abstract: Modification of the cross-flow resistance of a diaphragm based on fibrous material comprises treating the diaphragm, during or after manufacture, with a dispersion of a component (I) containing fluorine and optionally a solution containing a zirconium dioxide (ZrO2) precursor. Preferably treatment is carried out during electrolysis. The amount of (I) used is 0.1-30 wt.% w.r.t. the fibrous material of the diaphragm and the amount applied is 30-500 g/m diaphragm surface area.
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公开(公告)号：CA2239253A1
公开(公告)日：1997-06-26
申请号：CA2239253
申请日：1996-12-20
Abstract: A process is disclosed for producing an aqueous solution of free hydroxylamine. A solution obtained by treating an hydroxylammonium salt with a base is treated with water or water vapour at a temperature ? 80 ~C, so as to separate the solution into an aqueous hydroxylamine fraction and a salt fraction. This process is soft and easy to implement on a large scale. The risk of decomposition is minimised because of the low thermal stresses, the low hydroxylamine concentration and the short dwelling time during implementation of the process.
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Patent Agency Ranking
公开(公告)号：ZA9108317B
公开(公告)日：1993-04-19
申请号：ZA9108317
申请日：1991-10-18
Applicant: BASF AG
Inventor： LEUTNER BERND , EBENHOECH JOHAN , MEYER UDO , LUKAS SIEGMAR , SCHREINER SIEGFRIED , TREIBER GERT , WOLF MANFRED R
CPC classification number: C01B17/665
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公开(公告)号：FI914242A
公开(公告)日：1992-04-20
申请号：FI914242
申请日：1991-09-09
Applicant: BASF AG
Inventor： LEUTNER BERND , EBENHOECH JOHAN , MEYER UDO , LUKAS SIEGMAR , SCHREINER SIEGFRIED , TREIBER GERT , WOLF MANFRED R
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公开(公告)号：ES2021769B3
公开(公告)日：1991-11-16
申请号：ES88102333
申请日：1988-02-18
Applicant: BASF AG
Inventor： LEUTNER BERND , REICH HANS HEINER
IPC: C01B35/06
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公开(公告)号：DE3680974D1
公开(公告)日：1991-09-26
申请号：DE3680974
申请日：1986-08-12
Applicant: BASF AG
Inventor： LEUTNER BERND , JUNG JOHANN , VON MAESSENHAUSEN WALTER
Abstract: Prodn. of compact granular prods. contg. (NH4)2SO4.CaSO4.H2O (I) is effected by compressing a mixt. of (NH4)2SO4 and CaSO4 with a particle size of less than 0.5mm in the presence of 0.9-3.5 moles of H2O per mole of (NH4)2SO4, provided that not more than 1.5 mole is present as free H2O. The CaSO4 is used in hemihydrate form. The mixt. is compressed in a double-roll compactor and then broken up into 1-5mm pieces. When gypsum (CaSO4.2H2O) is used as part of the CaSO4, the prod. is pref. stored at 40-100 deg.C..
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公开(公告)号：FI914242A0
公开(公告)日：1991-09-09
申请号：FI914242
申请日：1991-09-09
Applicant: BASF AG
Inventor： LEUTNER BERND , EBENHOECH JOHAN , MEYER UDO , LUKAS SIEGMAR , SCHREINER SIEGFRIED , TREIBER GERT , WOLF MANFRED R
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