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.

公开(公告)号：AU5160185A

公开(公告)日：1986-07-03

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.

公开(公告)号：AT17021T

公开(公告)日：1986-01-15

申请号：AT82108646

申请日：1982-09-18

Applicant: BASF AG

Inventor： SOMMER KARL DR ,  HEINZ ROBERT ,  HETTCHE ALBERT DR ,  PERNER JOHANNES DR ,  SCHUSTER WERNER ,  TRIESELT WOLFGANG DR

IPC: C11D3/22 ,  C11D3/37 ,  C11D3/39 ,  C11D7/54