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    METHOD FOR PRODUCING ALKALI METHOXYDES
    31.
    发明专利
    METHOD FOR PRODUCING ALKALI METHOXYDES 未知

    公开(公告)号：HU229495B1

    公开(公告)日：2014-01-28

    申请号：HU0301074

    申请日：2000-12-08

    Applicant: BASF AG

    Inventor： GUTH JOSEF ,  FRIEDRICH HOLGER ,  STERZEL HANS-JOSEF DR ,  KAIBEL GERD ,  BURKART KIRSTEN ,  HOFFMANN ELKE

    IPC: C07C29/70 ,  B01D1/28 ,  C07C29/80 ,  C07C31/30

    Abstract: Alkali metal methoxides are prepared from aqueous alkali metal hydroxide, which may have been admixed with methanol, and methanol in a reaction column having at least 5, preferably from 15 to 30, theoretical plates between the feed point for the aqueous alkali metal hydroxide and the feed point for the methanol. The gaseous methanol/water mixture formed in the reaction is fractionated in a rectification column. In one variant of the invention, the trays chosen for the reaction column configured as a bubble cap tray, valve tray or sieve tray column are trays in which not more than 5%, preferably

    32.
    发明专利
    未知

    公开(公告)号：DE50210942D1

    公开(公告)日：2007-10-31

    申请号：DE50210942

    申请日：2002-12-04

    Applicant: BASF AG

    Inventor： HAESE FRANK ,  EBEL KLAUS ,  BURKART KIRSTEN ,  UNVERRICHT SIGNE ,  MUENSTER PETER

    IPC: C07C29/56 ,  C07B61/00 ,  C07C33/02

    Abstract: The present invention relates to a process for isomerizing reactant allyl alcohols to product allyl alcohols in the presence of a catalyst, wherein the reactant allyl alcohol is rearranged to product allyl alcohol in semicontinuous or continuous mode in a catalyst-containing suitable reactor. In particular, the process according to the invention is used to prepare linalool from Geraniol and/or nerol.

    33.
    发明专利
    未知

    公开(公告)号：DE50007815D1

    公开(公告)日：2004-10-21

    申请号：DE50007815

    申请日：2000-12-08

    Applicant: BASF AG

    Inventor： GUTH JOSEF ,  FRIEDRICH HOLGER ,  STERZEL HANS-JOSEF ,  KAIBEL GERD ,  BURKART KIRSTEN ,  HOFFMANN ELKE

    IPC: B01D1/28 ,  C07C29/70 ,  C07C29/80 ,  C07C31/30

    Abstract: Alkali metal methoxides are prepared from aqueous alkali metal hydroxide, which may have been admixed with methanol, and methanol in a reaction column having at least 5, preferably from 15 to 30, theoretical plates between the feed point for the aqueous alkali metal hydroxide and the feed point for the methanol. The gaseous methanol/water mixture formed in the reaction is fractionated in a rectification column. In one variant of the invention, the trays chosen for the reaction column configured as a bubble cap tray, valve tray or sieve tray column are trays in which not more than 5%, preferably

    35.
    发明专利
    未知

    公开(公告)号：DK1309578T3

    公开(公告)日：2004-06-28

    申请号：DK01976093

    申请日：2001-08-16

    Applicant: BASF AG

    Inventor： SENDHOFF NORBERT ,  FRANKE DIRK ,  ISAK HEINZ ,  SCHUETZ FRANZ ,  THERRE JOERG ,  DROEGEMUELLER MICHAEL ,  MUNZINGER MANFRED ,  WECK ALEXANDER ,  BURKART KIRSTEN

    IPC: A01N25/12 ,  A01N43/88 ,  C07D285/34

    Abstract: Described is a process for the preparation of a particulate tetrahydro-3,5-dimethyl-1,3,5-thiadiazine-2-thione product by combining a first aqueous solution comprising methylammonium N-methyldithiocarbamate with a second aqueous solution comprising formaldehyde, followed by separation and drying of the resulting solid, which comprises combining the first and the second aqueous solutions in such a way that the ratio between the concentrations of dithiocarbamate functions and of formaldehyde is essentially constant in the reaction mixture over time during the duration of the reaction.

    36.
    发明专利
    未知

    公开(公告)号：AT259793T

    公开(公告)日：2004-03-15

    申请号：AT01976093

    申请日：2001-08-16

    Applicant: BASF AG

    Inventor： ISAK HEINZ ,  SENDHOFF NORBERT ,  SCHUETZ FRANZ ,  THERRE JOERG ,  DROEGEMUELLER MICHAEL ,  FRANKE DIRK ,  MUNZINGER MANFRED ,  WECK ALEXANDER ,  BURKART KIRSTEN

    IPC: A01N25/12 ,  A01N43/88 ,  C07D285/34

    Abstract: Described is a process for the preparation of a particulate tetrahydro-3,5-dimethyl-1,3,5-thiadiazine-2-thione product by combining a first aqueous solution comprising methylammonium N-methyldithiocarbamate with a second aqueous solution comprising formaldehyde, followed by separation and drying of the resulting solid, which comprises combining the first and the second aqueous solutions in such a way that the ratio between the concentrations of dithiocarbamate functions and of formaldehyde is essentially constant in the reaction mixture over time during the duration of the reaction.

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