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    PREPARATION FOR ASCORBIC ACID GRANULES.
    12.
    发明专利
    PREPARATION FOR ASCORBIC ACID GRANULES. 未知

    公开(公告)号：AU579691B2

    公开(公告)日：1988-12-08

    申请号：AU5160185

    申请日：1985-12-23

    Applicant: BASF AG

    Inventor： BUEHLER VOLKER ,  HOFMANN FRIEDBERT ,  HEINZ ROBERT

    IPC: A61K9/14 ,  A61K9/16 ,  A61K31/375 ,  B01J2/22 ,  A61K31/34

    Abstract: Ascorbic acid granules for direct tableting are prepared by the compacting method, wherein the ascorbic acid in the form of crystals or crystal fragments, of which not more than 40% by weight have a longest particle diameter of less than 50 mu m and not more than 15% by weight have a longest particle diameter greater than 500 mu m, and as a mixture with from 0.8 to 8% by weight of soluble polyvinylpyrrolidone having a water content of from 0.3 to 5% is compacted in a conventional manner, and the product is comminuted.

    PROCESS FOR PRODUCING GRANULES OF ASCORBINIC ACID
    13.
    发明专利
    PROCESS FOR PRODUCING GRANULES OF ASCORBINIC ACID 未知

    公开(公告)号：HUT40562A

    公开(公告)日：1987-01-28

    申请号：HU493785

    申请日：1985-12-20

    Applicant: BASF AG

    Inventor： BUEHLER VOLKER ,  HOFMANN FRIEDBERT ,  HEINZ ROBERT

    IPC: A61K9/14 ,  A61K9/16 ,  A61K31/375 ,  B01J2/22 ,  A61K31/70

    Abstract: Ascorbic acid granules for direct tableting are prepared by the compacting method, wherein the ascorbic acid in the form of crystals or crystal fragments, of which not more than 40% by weight have a longest particle diameter of less than 50 mu m and not more than 15% by weight have a longest particle diameter greater than 500 mu m, and as a mixture with from 0.8 to 8% by weight of soluble polyvinylpyrrolidone having a water content of from 0.3 to 5% is compacted in a conventional manner, and the product is comminuted.

    14.
    发明专利
    未知

    公开(公告)号：DK602085D0

    公开(公告)日：1985-12-23

    申请号：DK602085

    申请日：1985-12-23

    Applicant: BASF AG

    Inventor： BUEHLER VOLKER ,  HOFMANN FRIEDBERT ,  HEINZ ROBERT

    IPC: A61K9/14 ,  A61K9/16 ,  A61K31/375 ,  B01J2/22 ,  A61K

    Abstract: Ascorbic acid granules for direct tableting are prepared by the compacting method, wherein the ascorbic acid in the form of crystals or crystal fragments, of which not more than 40% by weight have a longest particle diameter of less than 50 mu m and not more than 15% by weight have a longest particle diameter greater than 500 mu m, and as a mixture with from 0.8 to 8% by weight of soluble polyvinylpyrrolidone having a water content of from 0.3 to 5% is compacted in a conventional manner, and the product is comminuted.

    PREPARATION OF ACID FORMATES
    15.
    发明专利
    PREPARATION OF ACID FORMATES 未知

    公开(公告)号：MY136031A

    公开(公告)日：2008-07-31

    申请号：MYPI20044509

    申请日：2004-11-01

    Applicant: BASF AG

    Inventor： HAUK ALEXANDER DR ,  KARL JORN DR ,  PASCHOLD JURGEN ,  GROPP STEFAN ,  LOHMANN ANNA VALESKA ,  LENZ ROBERT ,  LETZELTER THOMAS ,  HEINZ ROBERT

    IPC: C07C51/09 ,  C07C51/41 ,  C07C53/02 ,  C07C53/06

    Abstract: A PROCESS IS PROPOSED FOR PREPARING ACID FORMATES IN WHICH - A LIQUID STREAM I COMPRISING FORMIC ACID AND - A LIQUID STREAM II COMPRISING A METAL FORMATE ARE PREPARED, THE LIQUID STREAMS I AND II ARE FED TO A RECTIFICATION COLUMN IN SUCH A MANNER THAT A HIGHER OR IDENTICAL FEED POINT TO THE RECTIFICATION COLUMN IS CHOSEN FOR THE LIQUID STREAM II THAN FOR THE LIQUID STREAM I,THE LIQUID STREAMS I AND II ARE MIXED IN THE RECTIFICATION COLUMN, WITH WATER BEING REMOVED OVERHEAD FROM THE RECTIFICATION COLUMN AND A BOTTOMS STREAM COMPRISING THE ACID FORMATE IS TAKEN OFF FROM THE RECTIFICATION COLUMN,WHICH COMPRISES THE BOTTOMS STREAM BEING PRODUCED AS MELT COMPRISING LESS THAN 0.5% BY WEIGHT OF WATER.(FIG 1)

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