11.
    发明专利
    未知

    公开(公告)号:BR9811450A

    公开(公告)日:2000-08-15

    申请号:BR9811450

    申请日:1998-09-10

    Applicant: BASF AG

    Abstract: A process for the fractional condensation of a gas mixture which, in addition to acrylic acid or methacrylic acid, also contains at least one further condensable component and additionally a high proportion of one or more noncondensable components, wherein the gas mixture is passed through a column having separatory internals and the condensable components are condensed by cooling.

    14.
    发明专利
    未知

    公开(公告)号:BR0313067A

    公开(公告)日:2005-06-28

    申请号:BR0313067

    申请日:2003-07-30

    Applicant: BASF AG

    Abstract: A process for cleaning apparatus in which (meth)acrylic acid-containing organic solvents have been treated and/or generated and contain fouling and/or polymer and residues of organic solvent, in which the apparatus contents are subjected to a steam distillation in the apparatus.

    18.
    发明专利
    未知

    公开(公告)号:ES2201539T3

    公开(公告)日:2004-03-16

    申请号:ES98950022

    申请日:1998-09-10

    Applicant: BASF AG

    Abstract: A process for the fractional condensation of a gas mixture which, in addition to acrylic acid or methacrylic acid, also contains at least one further condensable component and additionally a high proportion of one or more noncondensable components, wherein the gas mixture is passed through a column having separatory internals and the condensable components are condensed by cooling.

    20.
    发明专利
    未知

    公开(公告)号:DE59808713D1

    公开(公告)日:2003-07-17

    申请号:DE59808713

    申请日:1998-09-10

    Applicant: BASF AG

    Abstract: A process for the fractional condensation of a gas mixture which, in addition to acrylic acid or methacrylic acid, also contains at least one further condensable component and additionally a high proportion of one or more noncondensable components, wherein the gas mixture is passed through a column having separatory internals and the condensable components are condensed by cooling.

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