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公开(公告)号:DE3361135D1
公开(公告)日:1985-12-12
申请号:DE3361135
申请日:1983-01-22
Applicant: BASF AG
Inventor: RUDOLF PETER DR , KOVACS JENOE DR , VAETH GUENTER , OHLINGER MANFRED DR
Abstract: 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.
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公开(公告)号:DE3322746A1
公开(公告)日:1985-01-03
申请号:DE3322746
申请日:1983-06-24
Applicant: BASF AG
Inventor: BALZ WERNER DR , BAUR REINHOLD DR , FESER RAINER DR , JAKUSCH HELMUT DR , KOVACS JENOE DR , OHLINGER MANFRED DR , RUDOLF PETER DR
Abstract: The invention relates to a magnetic recording base made of a nonmagnetic base material and a magnetic layer which is applied thereto and is essentially composed of anisotropic magnetic materials which are finely dispersed in an inorganic polymer and are composed of a mixture of needle-shaped cobalt-modified iron oxide and chromium dioxide.
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公开(公告)号:DE3063008D1
公开(公告)日:1983-06-16
申请号:DE3063008
申请日:1980-02-07
Applicant: BASF AG
Inventor: RUDOLF PETER DR , STECK WERNER DR , JAKUSCH HELMUT DR , VAETH GUENTER , JAECKH CHRISTOF DR
Abstract: A process for the manufacture of acicular magnetic iron oxide consisting of a 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 percent by weight of cobalt(II) ions and from 0.1 to 15 percent by weight of iron(II) ions, wherein a solution containing cobalt(II) hydroxide and iron(II) hydroxide is applied to acicular gamma-iron(III) oxide particles and the latter are heated at 100 DEG -220 DEG C.
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公开(公告)号:DE3061463D1
公开(公告)日:1983-02-03
申请号:DE3061463
申请日:1980-02-04
Applicant: BASF AG
Inventor: STECK WERNER DR , RUDOLF PETER DR , HUEBNER WERNER , AUTZEN HORST DR , JAKUSCH HELMUT DR , SCHAEFER DIETER DR , VAETH GUENTER
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公开(公告)号:MY145359A
公开(公告)日:2012-01-31
申请号:MYPI20033517
申请日:2003-09-16
Applicant: BASF AG
Inventor: MUELLER ULRICH DR , KRUG GEORG , BASLER PETER DR , GOEBBEL HANS-GEORG DR , RUDOLF PETER DR , TELES JOAQUIM HENRIQUE DR
IPC: B01J29/89 , B01J37/00 , B01J37/02 , B01J37/08 , B01J37/10 , C07B61/00 , C07D301/03 , C07D301/12 , C07D301/19 , C07D303/04
Abstract: THE PRESENT INVENTION RELATES TO A PROCESS FOR TREATING A SOLID MATERIAL CONTAINING AT LEAST ONE ZEOLITE AND BEING AT LEAST PARTLY CRYSTALLINE OR TREATING A SHAPED BODY OBTAINED FROM SAID SOLID MATERIAL WHEREIN SAID SOLID MATERIAL OR SHAPED BODY IS BROUGHT IN CONTACT WITH A COMPOSITION CONTAINING WATER AFTER AT LEAST ONE OF THE FOLLOWING STEPS OF AN INTERGRATED PROCESS FOR PRODUCING A SOLID MATERIAL OR A SHAPED BODY CONTAINING AT LEAST ONE ZEOLITE : (I) AFTER STEP (II) OF SEPARATING THE AT LEAST PARTLY CRYSTALLINE SOLID MATERIAL FROM ITS MOTHER LIQUOR OR (II) AFTER STEP (S) OF SHAPING SAID SOLID MATERIAL INTO A SHAPED BODY OR (III) AFTER A STEP (C) OF CALCINING SAID SOLID MATERIAL OR SAID SHAPED BODY. THE PRESENT INVENTION FURTHERMORE RELATES TO THE SOLID MATERIAL OBTAINABLE BY THE INVENTIVE PROCESS AND THE SHAPED BODY OBTAINABLE BY THE INVENTIVE PROCESS. THE PRESENT INVENTION ALSO RELATES TO THE USE OF THE SOLID MATERIAL OR THE SHAPED BODY AS MENTIONED ABOVE AS A CATALYST IN CHEMICAL REACTIONS, IN PARTICULAR IN REACTIONS OF COMPOUNDS CONTAINING AT LEAST ONE C-C DOUBLE BOND WITH AT LEAST ONE HYDROPEROXIDE.
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公开(公告)号:MY139768A
公开(公告)日:2009-10-30
申请号:MYPI20034019
申请日:2003-10-22
Applicant: BASF AG
Inventor: BASLER PETER DR , GOEBBEL HANS-GEORG DR , TELES JOAQUIM HENRIQUE DR , RUDOLF PETER DR
IPC: C07D301/12
Abstract: PROCESS FOR THE CONTINUOUS RECIRCULATION OF THE OLEFIN WHICH HAS NOT BEEN REACTED IN THE EXPOXIDATION OF OLEFINS BY MEANS OF HYDROPEROXIDE TO GIVE OXIRANES AND IS PRESENT IN THE OFFGAS STREAM FORMED DURING THE EPOXIDATION, WHICH COMPRISES THE STEPS (I) TO (III) (I) COMPRESSING AND COOLING THE OFFGAS STREAM, (II) SEPARATING OLEFIN FROM THE OFFGAS STREAM OBTAINED IN STEP (I) BY DISTILLATION, (III) EPOXIDIZING THE OLEFIN SEPARATED OFF INSTEP (II) BY MEANS OF HYDROPEROXIDE.
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公开(公告)号:MY138904A
公开(公告)日:2009-08-28
申请号:MYPI20041369
申请日:2004-04-14
Applicant: BASF AG
Inventor: GOEBBEL HANS-GEORG DR , BASLER PETER DR , TELES JOAQUIM HENRIQUE DR , RUDOLF PETER DR
IPC: C07D301/12
Abstract: PROCESS FOR PREPARING AN ALKENE OXIDE, WHICH COMPRISES AT LEAST THE STEPS (i), (ii) AND (v): (i) PROVIDING A STREAM S1 COMPRISING COMPRESSED, LIQUID ALKENE; (ii) DEPRESSURIZING AT LEAST PART OF THE STREAM S1 WITH ABSORPTION OF HEAT AND WITH AT LEAST PARTIAL VAPORIZATION OF THE LIQUID ALKENE; (v) REACTING THE ALKENE OBTAINED IN (ii) WITH A HYDROPEROXIDE IN THE PRESENCE OF AT LEAST ONE SOLVENT AND AT LEAST ONE CATALYST TO GIVE A MIXTURE COMPRISING ALKENE OXIDE AND THE SOLVENT OR SOLVENTS.
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公开(公告)号:MY138713A
公开(公告)日:2009-07-31
申请号:MYPI20022656
申请日:2002-07-12
Applicant: BASF AG
Inventor: TELES JOAQUIM HENRIQUE DR , REHFINGER ALWIN DR , BERG ANNE , RUDOLF PETER DR , RIEBER NORBERT DR , BASLER PETER DR
IPC: C07D301/12
Abstract: A PROCESS FOR PREPARING PROPYLENE OXIDE COMPRISES AT LEAST THE FOLLOWING STEPS: (A) PROPENE IS REACTED WITH A HYDROPEROXIDE IN A SOLVENT IN THE PRESENCE OF A ZEOLITE CATALYST TO GIVE A MIXTURE (M0), WHERE THE MIXTURE (M0) COMPRISES PROPYLENE OXIDE, SOLVENT, UNREACTED PROPENE, UNREACTED HYDROPEROXIDE AND OXYGEN. (B) THE PROPYLENE OXIDE IS SEPARATED FROM THE MIXTURE (M0) SO AS TO GIVE A MIXTURE (M1) WHICH COMPRISES UNREACTED PROPENE AND OXYGEN. (C) THE MIXTURE (MI) IS BROUGHT INTO CONTACT WITH A LIQUID MEDIUM COMPRISING AT LEAST A SOLVENT TO GIVE THE MIXTURES (M2) AND (M3), WHERE THE MIXTURE (M3) COMPRISES PART OF THE UNREACTED PROPENE AND OXYGEN AND THE MIXTURE (M2) COMPRISES SOLVENT AND RESIDUAL PROPENE, AND THE MIXTURE (M3) WHICH HAS BEEN SEPARATED OFF AND COMPRISES UNREACTED PROPENE AND OXYGEN HAS A RATIO OF OXYGEN TO PROPENE SUCH THAT THE MIXTURE (M3) IS NOT IGNITABLE, AND THE MIXTURE (M2) IS FED TO AT LEAST ONE REACTION OF PROPENE WITH HYDRO PEROXIDE.
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29.
公开(公告)号:MY134372A
公开(公告)日:2007-12-31
申请号:MYPI20032753
申请日:2003-07-22
Applicant: BASF AG
Inventor: BASLER PETER DR , GOEBBEL HANS-GEORG DR , TELES JOAQUIM HENRIQUE DR , RUDOLF PETER DR
IPC: B01D3/32 , B01D3/14 , B01D3/42 , C07B41/00 , C07C7/04 , C07D301/12 , C07D301/32
Abstract: THE INVENTION RELATES TO A CONTINUOUSLY OPERATED PROCESS FOR THE PURIFICATION BY DISTILLATION OF THE OXIRANE FORMED IN THE OXIRANE SYNTHESIS BY REACTION OF A HYDROPEROXIDE WITH AN ORGANIC COMPOUND, WHEREIN THE CRUDE OXIRANE IS SEPARATED IN A DIVIDING WALL COLUMN INTO LOW-, INTERMEDIATE- AND HIGH-BOILING FRACTIONS AND THE OXIRANE IS TAKEN OFF AS INTERMEDIATE BOILER AT THE SIDE OFFTAKE IN A CONCENTRATION OF AT LEAST 99.9%.
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公开(公告)号:DE3408000C2
公开(公告)日:1994-05-19
申请号:DE3408000
申请日:1984-03-03
Applicant: BASF AG
Inventor: GRAU WERNER DR , JAKUSCH HELMUT DR , KOVACS JENOE DR , OHLINGER MANFRED DR , RUDOLF PETER DR , ROLLER HERMANN
IPC: G11B5/708
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