72.
    发明专利
    未知

    公开(公告)号:DE102004006304A1

    公开(公告)日:2005-08-25

    申请号:DE102004006304

    申请日:2004-02-09

    Applicant: BASF AG

    Abstract: The present invention relates to a process for preparing high-functionality highly branched polyureas which comprises reacting one or more ureas with one or more amines having at least two primary and/or secondary amino groups, at least one amine having at least three primary and/or secondary amino groups.

    79.
    发明专利
    未知

    公开(公告)号:BR0112218A

    公开(公告)日:2003-05-06

    申请号:BR0112218

    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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