2.
    发明专利
    未知

    公开(公告)号:DE4324905A1

    公开(公告)日:1995-01-26

    申请号:DE4324905

    申请日:1993-07-24

    Applicant: BASF AG

    Abstract: A dehydrogenation catalyst contains (a) from 40 to 90% by weight of iron, calculated as Fe2O3, (b) from 5 to 40% by weight of potassium, calculated as K2O, (c) from 0.01 to 10% by weight of vanadium, calculated as V2O5, (d) from 0.01 to 20% by weight of tungsten, calculated as WO3, (e) from 0.01 to 30% by weight of a rare earth metal, calculated as the oxide of the highest oxidation stage in each case, (f) from 0.01 to 15% by weight of aluminum, calculated as Al2O3, and (g) up to 10% by weight of cobalt, calculated as CoO. The catalyst is particularly suitable for the dehydrogenation of ethylbenzene to styrene in the presence of steam.

    7.
    发明专利
    未知

    公开(公告)号:DE59001005D1

    公开(公告)日:1993-04-15

    申请号:DE59001005

    申请日:1990-08-16

    Applicant: BASF AG

    Abstract: Riboflavin granules contain no inactive ingredient and have a mean particle diameter of from 50 to 1,000 mu m are produced as described and used for preparing drugs and human and animal foods.

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