Patent · US Expired

Direct tabletting aids

US5840769A · kind A · utility

24Cited by

3References

11Claims

0Family size

Assignee

BASF SE

Inventors

Karl Kolter · Ludwigshafen am Rhein, DE
Siegfried Lang · Ludwigshafen, DE
Peter Schmidt · Chanhassen, US
Anja Huhne · Tübingen, DE

Key dates

Filing date	Jul 7, 1997
Grant date	Nov 24, 1998
Priority date	—
Expiry date	Jul 7, 2017

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K9/2095
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Direct tabletting aids PA1 A) 75-98% by weight of a powdered cellulose suitable for tabletting PA1 B) 1-15% by weight of soluble polyvinylpyrrolidone PA1 C) 0.5-10% by weight of crosslinked insoluble polyvinylpyrrolidone.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.