44.
    发明专利
    未知

    公开(公告)号:BRPI0410145A

    公开(公告)日:2006-05-09

    申请号:BRPI0410145

    申请日:2004-05-10

    Applicant: BASF AG

    Abstract: A method for the production of propylene oxide (PO) by reacting propene with a hydroperoxide in a nitrile-containing solvent in presence of a porous oxide-containing catalyst, involves using a zeolite catalyst with an X-ray crystal structure of the MWW type. An independent claim is also included for formed catalyst bodies containing the above type of zeolite.

    46.
    发明专利
    未知

    公开(公告)号:BRPI0409425A

    公开(公告)日:2006-04-25

    申请号:BRPI0409425

    申请日:2004-04-16

    Applicant: BASF AG

    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.

    50.
    发明专利
    未知

    公开(公告)号:AT281442T

    公开(公告)日:2004-11-15

    申请号:AT01969340

    申请日:2001-07-05

    Applicant: BASF AG

    Abstract: A process for the preparation of propylene oxide in which (i) propene is reacted with hydrogen peroxide in the presence of methanol to give propylene oxide, giving a mixture (Gi) comprising propylene oxide, methanol, water and unreacted hydrogen peroxide, (ii) a mixture (Gii) comprising methanol, water and hydrogen peroxide is separated off from the mixture (Gi), giving a mixture (Ga) comprising propylene oxide, and (iii) water is separated off from the mixture (Gii), giving a mixture (Giii) comprising methanol and methyl formate.

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