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公开(公告)号：DE3632529A1
公开(公告)日：1988-04-07
申请号：DE3632529
申请日：1986-09-25
Applicant: BASF AG
Inventor： HOELDERICH WOLFGANG DR , GOETZ NORBERT DR , HUPFER LEOPOLD DR , LERMER HELMUT DR
IPC: B01J27/16 , B01J27/18 , B01J27/182 , B01J27/185 , B01J29/04 , C07C45/58 , C07C47/228 , C07C49/04 , C07C45/51 , C07C11/18 , C07C49/213 , C07C47/23 , C07C47/02 , B01J29/06
Abstract: Aldehydes and ketones are prepared from epoxides of the formula where R1 and R2 are each alkyl, alkenyl, aryl, alkoxy or aralkyl and R3 has the same meanings or is hydrogen, by a catalytic rearrangement reaction in the presence of various catalysts, in particular zeolites of the pentasil type.
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公开(公告)号：DE3340791A1
公开(公告)日：1985-05-23
申请号：DE3340791
申请日：1983-11-11
Applicant: BASF AG
Inventor： MERGER FRANZ DR , HETTINGER PETER DR , HUPFER LEOPOLD DR , PAETSCH JUERGEN DR
Abstract: Trimethylolalkanes are prepared by reacting an n-alkanal with formaldehyde and a trialkylamine in aqueous solution and then hydrogenating the product, by a method in which from 2.2 to 4.5 moles of formaldehyde and from 0.6 to 3 moles of trialkylamine are used per mole of the alkanal, and the reaction mixture is worked up by distillation either before or after the hydrogenation.
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公开(公告)号：DE3322939A1
公开(公告)日：1985-01-03
申请号：DE3322939
申请日：1983-06-25
Applicant: BASF AG
Inventor： GOETZ NORBERT DR , HUPFER LEOPOLD DR , FRANZISCHKA WOLFGANG DR
IPC: C07D265/30 , C07D295/023
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公开(公告)号：DE3319430A1
公开(公告)日：1984-11-29
申请号：DE3319430
申请日：1983-05-28
Applicant: BASF AG
Inventor： GRAMLICH WALTER DR , HOFFMANN WERNER DR , HUPFER LEOPOLD DR , MERGER FRANZ DR , PAETSCH JUERGEN DR
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公开(公告)号：DE3402733A1
公开(公告)日：1984-08-02
申请号：DE3402733
申请日：1984-01-27
Applicant: BASF AG
Inventor： WICKENHAEUSER GERHARD DR , HEIDA BERND , GRAF FRITZ DR , HUPFER LEOPOLD DR
IPC: C07C45/80 , C07C47/127 , C07C45/78
Abstract: Process for the purification of aqueous glyoxal solutions which contain acids, by treatment with a solution which contains 20 to 60% by weight of a tertiary amine and 80 to 40% by weight of an alcohol which is not miscible with water at any desired ratio, the treatment being carried out by mixing the two solutions at residence times of less than 5 minutes.
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Patent Agency Ranking
公开(公告)号：DE3162836D1
公开(公告)日：1984-04-26
申请号：DE3162836
申请日：1981-12-04
Applicant: BASF AG
Inventor： GOETZ NORBERT DR , JACOBS PETER DR , HUPFER LEOPOLD DR , TOUSSAINT HERBERT DR , REISS WOLFGANG DR
IPC: C07B61/00 , B01J21/00 , B01J23/00 , B01J23/44 , B01J23/56 , B01J23/58 , B01J23/63 , B01J23/89 , B01J27/00 , B01J29/00 , C07C67/00 , C07C209/00 , C07C209/16 , C07C209/18 , C07C209/26 , C07C209/68 , C07C209/72 , C07C211/16 , C07C211/46 , C07C211/47 , C07C213/02 , C07C85/06 , C07C85/24
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公开(公告)号：DE3063908D1
公开(公告)日：1983-07-28
申请号：DE3063908
申请日：1980-09-30
Applicant: BASF AG
Inventor： GRAF FRITZ DR , HUPFER LEOPOLD DR
IPC: C07D233/54 , C07D233/58 , C07D233/60 , C07D233/61 , C07D233/64 , C07D521/00
Abstract: A process for the preparation of 1-substituted imidazoles by reacting an alpha -dicarbonyl compound with ammonia, an aldehyde and a primary amine in an aqueous medium, in a single stage, at 20 DEG -150 DEG C.
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公开(公告)号：DE2960127D1
公开(公告)日：1981-02-26
申请号：DE2960127
申请日：1979-07-11
Applicant: BASF AG
Inventor： GOETZ NORBERT DR , HIMMELE WALTER DR , HUPFER LEOPOLD DR
IPC: C07D265/30 , B01J23/44 , B01J23/63 , B01J23/68 , B01J23/755 , B01J27/16 , C07B61/00 , C07D295/02 , C07D295/027
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公开(公告)号：DE4444979A1
公开(公告)日：1996-06-20
申请号：DE4444979
申请日：1994-12-16
Applicant: BASF AG
Inventor： HAMMER HANS , HERR MANFRED , HUPFER LEOPOLD DR , BESLING BERND , PAN DONGFENG DR , ZECK SEBASTIAN DR , AUER HEINZ , SCHOENMAKERS HARTMUT DR
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公开(公告)号：ES2047964T3
公开(公告)日：1994-03-01
申请号：ES91105743
申请日：1991-04-11
Applicant: BASF AG
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