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    STERICALLY HINDERED 4-AMINO-PIPERIDINE WITH A LOW DIMER CONTENT, ITS PRODUCTION AND USE
    101.
    发明专利
    STERICALLY HINDERED 4-AMINO-PIPERIDINE WITH A LOW DIMER CONTENT, ITS PRODUCTION AND USE 未知

    公开(公告)号：GR3033454T3

    公开(公告)日：2000-09-29

    申请号：GR20000401142

    申请日：2000-05-19

    Applicant: BASF AG

    Inventor： JULIUS MANFRED ,  RUST HARALD ,  KRAUSE ALFRED ,  SIEGEL HARDO ,  SIEGEL WOLFGANG ,  WITZEL TOM

    IPC: C07B63/04 ,  C07D211/58 ,  C07D211/72 ,  C07D221/20 ,  C08K5/3435

    Abstract: PCT No. PCT/EP97/02763 Sec. 371 Date Nov. 12, 1998 Sec. 102(e) Date Nov. 12, 1998 PCT Filed May 28, 1997 PCT Pub. No. WO97/46528 PCT Pub. Date Dec. 11, 1997The invention relates to a process for reducing the dimerization of piperidines of the formula I where R1 to R4 are C1- to C6-alkyl, R1 and R2 and/or R3 and R4 together are a CH2 chain having 2 to 5 carbon atoms, which comprises adding to the piperidine from 0.001 to 0.2% by weight of a reducing agent of the formula MXH4-mYm, where M is an alkali metal, NR4, where R are identical or different C1-C4-alkyl groups, or an equivalent of an alkaline earth metal or an equivalent of zinc, X is boron or aluminum, Y is H or CN and m is 0 or 1. The invention also relates to a mixture of piperidines of the formula I, from 0.001 to 0.2% by weight of a reducing agent and from 1 to 1000 ppm of dimers of the piperidines of the formula I, and to the preparation of hindered amine light stabilizers therefrom.

    102.
    发明专利
    未知

    公开(公告)号：DE59701590D1

    公开(公告)日：2000-06-08

    申请号：DE59701590

    申请日：1997-05-28

    Applicant: BASF AG

    Inventor： JULIUS MANFRED ,  RUST HARALD ,  KRAUSE ALFRED ,  SIEGEL HARDO ,  SIEGEL WOLFGANG ,  WITZEL TOM

    IPC: C07B63/04 ,  C07D211/58 ,  C07D211/72 ,  C07D221/20 ,  C08K5/3435

    Abstract: PCT No. PCT/EP97/02763 Sec. 371 Date Nov. 12, 1998 Sec. 102(e) Date Nov. 12, 1998 PCT Filed May 28, 1997 PCT Pub. No. WO97/46528 PCT Pub. Date Dec. 11, 1997The invention relates to a process for reducing the dimerization of piperidines of the formula I where R1 to R4 are C1- to C6-alkyl, R1 and R2 and/or R3 and R4 together are a CH2 chain having 2 to 5 carbon atoms, which comprises adding to the piperidine from 0.001 to 0.2% by weight of a reducing agent of the formula MXH4-mYm, where M is an alkali metal, NR4, where R are identical or different C1-C4-alkyl groups, or an equivalent of an alkaline earth metal or an equivalent of zinc, X is boron or aluminum, Y is H or CN and m is 0 or 1. The invention also relates to a mixture of piperidines of the formula I, from 0.001 to 0.2% by weight of a reducing agent and from 1 to 1000 ppm of dimers of the piperidines of the formula I, and to the preparation of hindered amine light stabilizers therefrom.

    103.
    发明专利
    未知

    公开(公告)号：AT192434T

    公开(公告)日：2000-05-15

    申请号：AT97927060

    申请日：1997-05-28

    Applicant: BASF AG

    Inventor： JULIUS MANFRED ,  RUST HARALD ,  KRAUSE ALFRED ,  SIEGEL HARDO ,  SIEGEL WOLFGANG ,  WITZEL TOM

    IPC: C07B63/04 ,  C07D211/58 ,  C07D211/72 ,  C07D221/20 ,  C08K5/3435

    Abstract: PCT No. PCT/EP97/02763 Sec. 371 Date Nov. 12, 1998 Sec. 102(e) Date Nov. 12, 1998 PCT Filed May 28, 1997 PCT Pub. No. WO97/46528 PCT Pub. Date Dec. 11, 1997The invention relates to a process for reducing the dimerization of piperidines of the formula I where R1 to R4 are C1- to C6-alkyl, R1 and R2 and/or R3 and R4 together are a CH2 chain having 2 to 5 carbon atoms, which comprises adding to the piperidine from 0.001 to 0.2% by weight of a reducing agent of the formula MXH4-mYm, where M is an alkali metal, NR4, where R are identical or different C1-C4-alkyl groups, or an equivalent of an alkaline earth metal or an equivalent of zinc, X is boron or aluminum, Y is H or CN and m is 0 or 1. The invention also relates to a mixture of piperidines of the formula I, from 0.001 to 0.2% by weight of a reducing agent and from 1 to 1000 ppm of dimers of the piperidines of the formula I, and to the preparation of hindered amine light stabilizers therefrom.

    METHOD OF PURIFYING 4-AMINOPIPERIDINES WITH A SPATIAL OBSTACLE
    104.
    发明专利
    METHOD OF PURIFYING 4-AMINOPIPERIDINES WITH A SPATIAL OBSTACLE 未知

    公开(公告)号：PL330278A1

    公开(公告)日：1999-05-10

    申请号：PL33027897

    申请日：1997-05-30

    Applicant: BASF AG

    Inventor： JULIUS MANFRED ,  RUST HARALD ,  KRAUSE ALFRED ,  SIEGEL HARDO ,  SIEGEL WOLFGANG ,  WITZEL TOM

    IPC: C07D211/58 ,  C07D211/56 ,  C07D221/20

    Abstract: PCT No. PCT/EP97/02822 Sec. 371 Date Nov. 12, 1998 Sec. 102(e) Date Nov. 12, 1998 PCT Filed May 30, 1997 PCT Pub. No. WO97/46529 PCT Pub. Date Dec. 11, 1997A process for purifying crude piperidines of the formula I where R1 to R4 are C1-C6-alkyl, or R1 and R2 and/or R3 and R4 together are a CH2-chain of 2 to 5 carbons, which comprises, in a first step, removing high-boiling substances and, if present, water from the crude piperidines by distillation; in a second step, adding from 0.01 to 5% by weight, based on the product of the first step, as a reducing agent; and, in a third step, isolating the piperidines by distillation.

    Sterically hindered 4-amino-piperidine with a low dimer content, its production and use
    105.
    发明专利
    Sterically hindered 4-amino-piperidine with a low dimer content, its production and use 未知

    公开(公告)号：AU3168797A

    公开(公告)日：1998-01-05

    申请号：AU3168797

    申请日：1997-05-28

    Applicant: BASF AG

    Inventor： JULIUS MANFRED ,  RUST HARALD ,  KRAUSE ALFRED ,  SIEGEL HARDO ,  SIEGEL WOLFGANG ,  WITZEL TOM

    IPC: C07B63/04 ,  C07D211/58 ,  C07D211/72 ,  C07D221/20 ,  C08K5/3435

    Abstract: PCT No. PCT/EP97/02763 Sec. 371 Date Nov. 12, 1998 Sec. 102(e) Date Nov. 12, 1998 PCT Filed May 28, 1997 PCT Pub. No. WO97/46528 PCT Pub. Date Dec. 11, 1997The invention relates to a process for reducing the dimerization of piperidines of the formula I where R1 to R4 are C1- to C6-alkyl, R1 and R2 and/or R3 and R4 together are a CH2 chain having 2 to 5 carbon atoms, which comprises adding to the piperidine from 0.001 to 0.2% by weight of a reducing agent of the formula MXH4-mYm, where M is an alkali metal, NR4, where R are identical or different C1-C4-alkyl groups, or an equivalent of an alkaline earth metal or an equivalent of zinc, X is boron or aluminum, Y is H or CN and m is 0 or 1. The invention also relates to a mixture of piperidines of the formula I, from 0.001 to 0.2% by weight of a reducing agent and from 1 to 1000 ppm of dimers of the piperidines of the formula I, and to the preparation of hindered amine light stabilizers therefrom.

    107.
    发明专利
    未知

    公开(公告)号：BRPI0514629A

    公开(公告)日：2008-06-17

    申请号：BRPI0514629

    申请日：2005-08-04

    Applicant: BASF AG

    Inventor： HAESE FRANK ,  MELDER JOHANN-PETER ,  DOSTALEK ROMAN ,  JULIUS MANFRED

    IPC: C07C213/10 ,  C07C215/08

    Abstract: Methods for improving color properties of triethanolamine, and triethanolamine compositions treated thereby, are disclosed, wherein the methods comprise: (a) providing a composition comprising triethanolamine; and (b) contacting the composition with an acid component and a basic component; wherein the acid component comprises an acid selected from the group consisting of phosphorous acid, hypophosphorous acid and mixtures thereof; and wherein the basic component comprises a compound selected from the group consisting of alkali metal hydroxides, alkaline earth metal hydroxides, ammonium hydroxides according to general formula (I), and mixtures thereof: [R1R2R3(2-hydroxyethyl)ammonium] hydroxide (I) wherein R1, R2 and R3 each independently represents a C1-30 alkyl or a C2-10 hydroxyalkyl; with the proviso that where the basic component comprises an alkali metal hydroxide, the molar ratio of acid component: basic component is 1:0.1 to 1:1, and where the basic component comprises an alkaline earth metal hydroxide, the molar ratio of acid component: basic component is 1:0.05 to 1:0.5.

    METODO DE PRODUCCION DE TRIETANOLAMINA.
    109.
    发明专利
    METODO DE PRODUCCION DE TRIETANOLAMINA. 未知

    公开(公告)号：MX2007001867A

    公开(公告)日：2007-04-24

    申请号：MX2007001867

    申请日：2005-08-04

    Applicant: BASF AG

    Inventor： MELDER JOHANN-PETER ,  JULIUS MANFRED ,  HAESE FRANK ,  DOSTALEK ROMAN

    IPC: C07C213/10 ,  C07C215/08

    Abstract: La invencion se refiere a un metodo de produccion de trietanolamina consistente en adicionar un acido fosforoso y/o hipofosforoso y un compuesto basico seleccionado de un hidroxido de metal alcalino, hidroxido de metal alcalinoterreo e hidroxido de [R1R2R3 (2-hidroxietil)amonio] en trietanolamina, en donde R1, R2, R3, independientemente representan alquilo de C1-C30 o hidroxialquilo de C2-C10. Cuando el compuesto basico es el hidroxido de metal alcalino, la relacion molar acido/hidroxido abarca desde 1:0.1 a 1:1, y cuando el compuesto basico es hidroxido de metal alcalinoterreo, la relacion molar acido/hidroxido abarca desde 1:0.05 a 1:0.5.

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