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14 records (took 0.022 seconds)

    1.
    发明专利
    未知

    公开(公告)号：DK163172B

    公开(公告)日：1992-02-03

    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

    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 ASCORBIC ACID GRANULES
    3.
    发明专利
    PREPARATION OF ASCORBIC ACID GRANULES 未知

    公开(公告)号：ZA859795B

    公开(公告)日：1986-09-24

    申请号：ZA859795

    申请日：1985-12-23

    Applicant: BASF AG

    Inventor： BUEHLER VOELKER ,  HOFMANN FRIEDBERT ,  HEINZ ROBERT

    IPC: A61K9/14 ,  A61K9/16 ,  A61K31/375 ,  B01J2/22 ,  B01J ,  C07D

    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 FOR ASCORBIC ACID GRANULES.
    5.
    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
    6.
    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.

    7.
    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.

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