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公开(公告)号：DE3324419A1
公开(公告)日：1984-01-12
申请号：DE3324419
申请日：1983-07-07
Applicant: BASF AG
Inventor： HARTMANN HORST , KAIBEL GERD , KIENER VOLKER DR , WOERZ OTTO DR
IPC: C07F5/04
Abstract: A process for the preparation of trimethyl borate by reaction of boric acid or boron trioxide and methanol in a distillation column having at least 15 separating stages and having a supply of the starting substances in a molar ratio of 3.7 to 5.5 mol of methanol per mol of boric acid at a bottom temperature of 70 to 150 DEG C and a temperature in the top of the column of 25 to 115 DEG C, water being withdrawn from the bottom and advantageously a fraction of the bottom liquid being drawn off from the bottom and fed back into the column above the bottom, and trimethyl borate and unreacted methanol being removed at the top of the column. The trimethyl borate which can be prepared by the process of the invention is used as a precursor for the preparation of boranes or sodium borohydride.
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公开(公告)号：DE2723156A1
公开(公告)日：1978-12-07
申请号：DE2723156
申请日：1977-05-23
Applicant: BASF AG
Inventor： OSTERTAG WERNER DR , WUNSCH GERD DR , KIENER VOLKER DR , ERTL GERT DR , HETZEL ECKHARD DIPL ING , SCHREINER SIEGFRIED DR , VOELKL ERFRIED DR , KOESTER HARTWIG DR
IPC: C01B17/66
Abstract: Prodn. of anhydrous Na dithionite (I) by reacting SO2 with Na formate and NaOH in aq. -alcoholic medium, is now carried out in presence of alkali and/or ammonium salts of oxalic acid and/or EDTA. Pref. the concn. of chelating agent at the end of reaction is not below 0.001 g./l. Decomposition of (I) induced by metal ions (esp. Fe, Cr and Ni, introduced with the reactants or generated by corrosion of the reactor) is inhibited by the chelating agents.
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公开(公告)号：DE3164459D1
公开(公告)日：1984-08-02
申请号：DE3164459
申请日：1981-10-24
Applicant: BASF AG
Inventor： NAARMANN HERBERT DR , NAEGELE DIETER DR , PENZIEN KLAUS DR , SCHLAG JOHANNES DR , KIENER VOLKER DR , BOEHN HUGO
Abstract: Electrically conductive complexes of polypyrroles with nitroaromatic anions are prepared by polymerizing pyrrole, an N-alkylpyrrole and/or an N-arylpyrrole by anodic oxidation in a polar solvent, in the presence of a salt of an acidic nitroaromatic compound.
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公开(公告)号：DE2343000A1
公开(公告)日：1975-04-17
申请号：DE2343000
申请日：1973-08-25
Applicant: BASF AG
Inventor： FUCHS FRIEDRICH DR , KIENER VOLKER DR , SINGH-VERMA SHYAM BER , WUNSCH GERD DR
IPC: C07F9/6593 , D06M15/673 , D06M16/00 , D06M13/44
Abstract: The finishing agent contains a phosphazene of formula (I): (where R1 is a 1-10C (un)satd., branched/straight chain (cyclo)aliphatic, (opt. nitrated) aromatic, alkylaromatic or arylaliphatic gp., L is F, Cl or Br, -NR2R3, OH or -OR2 in which R2 and R3 may be H or a 1-18C (un)satd., straight chain/branched (cyclo)alkyl gp. and in which R3 may also be phenyl, or in which R2 and R3 can form a heterocycle with the N atom and Z is L or -N=PR3'). (I) are esp. used for heavy cotton fabrics (over 200g/m2). (2) are odourless and water -resistant.
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5.发明专利
公开(公告)号：DE2234373A1
公开(公告)日：1974-03-28
申请号：DE2234373
申请日：1972-07-13
Applicant: BASF AG
Inventor： BEWERT WOLFGANG DR , KIENER VOLKER DR , WUNSCH GERD DR
IPC: C01B21/097 , C01B25/10
Abstract: Title cpds. of formula (I): (where n is 0 or 1), starting materials for plant-protection agents, flameproofing agents, and adjuvants in the textiles and plastics sectors, are produced by reacting PCl3 with Cl2, NH3 and sulphur at not 40 degrees C. The process is simpler, safer in operation, and more economical than known processes, and gives (I) in better yields and purity.
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Patent Agency Ranking
公开(公告)号：DE3160766D1
公开(公告)日：1983-09-22
申请号：DE3160766
申请日：1981-06-02
Applicant: BASF AG
Inventor： ROOS HANS DR , BOEHN HUGO , BITTLER KNUT DR , KIENER VOLKER DR , WUNSCH GERD DR
Abstract: In an electrode suitable for electrolysis of aqueous sodium chloride or potassium chloride solutions, at least the outer layer contains spinels, specifically a mixture of the individual spinels of iron and of cobalt, the weight ratio of iron spinels: cobalt spinels being from 30:70 to 90:10. The electrodes are produced by applying a powder mixture of iron spinel and cobalt spinel to a substrate by a plasma spraying process wherein argon is used as the plasma gas and the spraying energy is from 6 to 30 kW.
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公开(公告)号：CH633321A5
公开(公告)日：1982-11-30
申请号：CH1027977
申请日：1977-08-22
Applicant: BASF AG
Inventor： BOEHN HUGO , TREPTOW WOLFRAM DR , WUNSCH GERD DR , KIENER VOLKER DR , MEYER HERMANN DR , CSIZI GOTTHARD DR
IPC: C25B11/055 , C25B11/091 , C25B11/10 , H01M4/88
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公开(公告)号：DE2252485A1
公开(公告)日：1974-05-02
申请号：DE2252485
申请日：1972-10-26
Applicant: BASF AG
Inventor： WUNSCH GERD DR , KIENER VOLKER DR , FUCHS FRIEDRICH DR , HIMMELE WALTER DR , FLIEGE WERNER DR
IPC: C09K21/12 , C07F9/06 , C07F9/22 , C07F9/6581 , C07F9/6593 , D06M13/02 , D06M13/322 , D06M13/44 , D06M15/673 , C07D105/04 , C07D109/00
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公开(公告)号：CH529791A
公开(公告)日：1972-10-31
申请号：CH1160072
申请日：1972-08-04
Applicant: BASF AG
Inventor： ADOLPHI HEINRICH DR , BEWERT WOLFGANG DR , KIENER VOLKER DR , WUNSCH GERD DR
IPC: C07F9/6581 , C07D105/02 , A01N9/36
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公开(公告)号：DE2716032A1
公开(公告)日：1978-10-26
申请号：DE2716032
申请日：1977-04-09
Applicant: BASF AG
Inventor： OSTERTAG WERNDER DR , WUNSCH GERD DR , KIENER VOLKER DR , HETZEL ECKHARD DIPL ING , SCHREINER SIEGFRIED DR , LEUTNER BERND DR , SCHLIMPER HANS-ULRICH DR , VOELKL ERFRIED DR
Abstract: In a process for the manufacture of sodium dithionite by reacting sulfur dioxide with sodium formate and aqueous sodium hydroxide solution in the presence of methanol, an aqueous methanolic solution of sodium formate is first produced by reacting carbon monoxide with sodium hydroxide solution in an aqueous medium, containing from 1 to 50% by weight of methanol, based on the amount of water, at from 80 to 120 DEG C. under a pressure of from 10 to 40 bars. The resulting aqueous methanolic solution can be reacted directly, in the conventional manner, with sulfur dioxide and aqueous sodium hydroxide solution to give sodium dithionite.
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