公开(公告)号：DK602085A

公开(公告)日：1986-06-25

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.

公开(公告)号：DK163172C

公开(公告)日：1992-06-22

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.

公开(公告)号：HU195107B

公开(公告)日：1988-04-28

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.

公开(公告)号：DK567083A

公开(公告)日：1984-06-12

申请号：DK567083

申请日：1983-12-09

Applicant: BASF AG

Inventor： HOFMANN FRIEDBERT ,  EIPPER GUNTER ,  LANGENFELDER HANS ,  BEYSE HANS-JOCHEN

IPC: B01D1/18 ,  B01D45/04 ,  F26B3/12 ,  F26B