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公开(公告)号：NO962216A
公开(公告)日：1996-12-02
申请号：NO962216
申请日：1996-05-30
Applicant: BASF AG
Inventor： KRONER RUDI , LEUTNER BERND , SCHNEIDER HANS-MICHAEL , FRIEDRICH HOLGER , HECKY KURT , SCHLAFER DIETER , STEINER WOLFGANG
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公开(公告)号：NO960155A
公开(公告)日：1996-07-15
申请号：NO960155
申请日：1996-01-12
Applicant: BASF AG
Inventor： KRONER RUDI , LEUTNER BERND , SCHLAFER DIETER , STEINER WOLFGANG , FRIEDRICH HOLGER
CPC classification number: C25B13/00 , Y10S241/606
Abstract: Process for recycling diaphragms comprises crushing and washing with a washing substrate (I) to produce re-usable material.
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公开(公告)号：DE10301703A1
公开(公告)日：2004-07-29
申请号：DE10301703
申请日：2003-01-17
Applicant: BASF AG
Inventor： KUHRS CHRISTIAN , DANZ ECKEHARD , STEINER WOLFGANG , RAHN RALF-THOMAS , GRASLER THOMAS , GEIER REINER , HARTH KLAUS , HOELZLE MARKUS
IPC: C07D251/60 , B01J21/04 , B01J21/12
Abstract: Production of melamine by urea decomposition using a solid catalyst takes place in a main reactor containing a catalyst of low Lewis acidity and a post-reactor containing a catalyst of the same or higher (especially higher) Lewis acidity.
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公开(公告)号：PL312289A1
公开(公告)日：1996-07-22
申请号：PL31228996
申请日：1996-01-12
Applicant: BASF AG
Inventor： KROENER RUDI , LEUTNER BERND , SCHLAEFER DIETER , STEINER WOLFGANG , FRIEDRICH HOLGER
IPC: C25B13/00
Abstract: Process for recycling diaphragms comprises crushing and washing with a washing substrate (I) to produce re-usable material.
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公开(公告)号：CA1157479A
公开(公告)日：1983-11-22
申请号：CA385522
申请日：1981-09-09
Applicant: BASF AG
Inventor： MUELLER FRANZ-JOSEF , STEINER WOLFGANG , ROSS KARL-HEINZ , KRATZER OTTO
Abstract: O.Z. 0050/034690 of the disclosure: A process for the preparation of methyl formate by reacting methanol and carbon monoxide in the presence of an alkali metal alcoholate or alkaline earth metal alcoholate at from 30 to 150.degree.C and from 50 to 300 bar, wherein a nonionic complexing agent is used to bind the alkali metal cations or alkaline earth metal cations.
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Patent Agency Ranking
公开(公告)号：NO960155L
公开(公告)日：1996-07-15
申请号：NO960155
申请日：1996-01-12
Applicant: BASF AG
Inventor： KRONER RUDI , LEUTNER BERND , SCHLAFER DIETER , STEINER WOLFGANG , FRIEDRICH HOLGER
Abstract: Process for recycling diaphragms comprises crushing and washing with a washing substrate (I) to produce re-usable material.
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公开(公告)号：NO960155D0
公开(公告)日：1996-01-12
申请号：NO960155
申请日：1996-01-12
Applicant: BASF AG
Inventor： KRONER RUDI , LEUTNER BERND , SCHLAFER DIETER , STEINER WOLFGANG , FRIEDRICH HOLGER
Abstract: Process for recycling diaphragms comprises crushing and washing with a washing substrate (I) to produce re-usable material.
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公开(公告)号：DE10337501A1
公开(公告)日：2005-04-14
申请号：DE10337501
申请日：2003-08-14
Applicant: BASF AG
Inventor： KUHRS CHRISTIAN , DANZ ECKEHARD , STEINER WOLFGANG , RAHN RALF-THOMAS , GRASLER THOMAS , GEIER REINER , HARTH KLAUS , HOELZLE MARKUS
IPC: C07D251/60
Abstract: Production of melamine by urea decomposition using a solid catalyst takes place in a main reactor containing a catalyst of low Lewis acidity and a post-reactor containing a catalyst of the same or higher (especially higher) Lewis acidity.
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公开(公告)号：PL314547A1
公开(公告)日：1996-12-09
申请号：PL31454796
申请日：1996-05-30
Applicant: BASF AG
Inventor： KROENER RUDI , LEUTNER BERND , SCHNEIDER HANS-MICHAEL , FRIEDRICH HOLGER , HECKY KURT , SCHLAEFER DIETER , STEINER WOLFGANG
Abstract: Regenerating plastic diaphragms comprises mixing a soln. of mineral acid (I) with a corrosion inhibitor (II) and passing the mixt. through the diaphragm for 0.1-84 (pref. 1-72, esp. pref. 2-24) hrs. at 0-100 (pref. 40-80, esp. pref. 50-70) degrees C. Also claimed are plastic diaphragms obtd. by this process. (I) consists at least partly, pref. entirely, of HCl in a concn. of 0.3-20 (pref. 2-10) wt%, pref. contg. NaCl in a concn. up to the satn. pt., pref. up to 250 g/l. Pref. soln. (I) also contains 500-5000 ppm Cu and/or Fe cpds., esp. Cu(II) and/or Fe(III) salts. The mixt. contains 0.005-5 (pref. 0.05-0.5) wt% (II). Component (II) contains alkynol(s), esp. an alkyne-diol, pref. mixed with 1-25 wt% amine, esp. hexamethylenetetramine (HMTA), ethylhexylamine or diethylhexylamine, and/or 0.1-3 wt% surfactant, esp. a quat. ammonium salt.
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公开(公告)号：NO962216L
公开(公告)日：1996-12-02
申请号：NO962216
申请日：1996-05-30
Applicant: BASF AG
Inventor： KRONER RUDI , LEUTNER BERND , SCHNEIDER HANS-MICHAEL , FRIEDRICH HOLGER , HECKY KURT , SCHLAFER DIETER , STEINER WOLFGANG
Abstract: Regenerating plastic diaphragms comprises mixing a soln. of mineral acid (I) with a corrosion inhibitor (II) and passing the mixt. through the diaphragm for 0.1-84 (pref. 1-72, esp. pref. 2-24) hrs. at 0-100 (pref. 40-80, esp. pref. 50-70) degrees C. Also claimed are plastic diaphragms obtd. by this process. (I) consists at least partly, pref. entirely, of HCl in a concn. of 0.3-20 (pref. 2-10) wt%, pref. contg. NaCl in a concn. up to the satn. pt., pref. up to 250 g/l. Pref. soln. (I) also contains 500-5000 ppm Cu and/or Fe cpds., esp. Cu(II) and/or Fe(III) salts. The mixt. contains 0.005-5 (pref. 0.05-0.5) wt% (II). Component (II) contains alkynol(s), esp. an alkyne-diol, pref. mixed with 1-25 wt% amine, esp. hexamethylenetetramine (HMTA), ethylhexylamine or diethylhexylamine, and/or 0.1-3 wt% surfactant, esp. a quat. ammonium salt.
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