Patent · US Expired

Production of solid drug forms

US6051253A · kind A · utility

86Cited by

6References

6Claims

0Family size

Assignee

BASF SE

Inventors

Hans D. Zettler · Havelsee, DE
Michael Schiessl · Altrip, DE
Jorg Breitenbach · Mannheim, DE
Joerg Rosenberg · Ellerstadt, DE

Key dates

Filing date	Jul 1, 1997
Grant date	Apr 18, 2000
Priority date	—
Expiry date	Jul 1, 2017

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61J2200/20
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Solid drug forms are produced by mixing and melting at least one pharmacologically acceptable polymeric binder and at least one pharmaceutical active ingredient, with or without conventional pharmaceutical additives, in the absence of a solvent to give a plastic mixture and shaping the mixture to the required drug form by extrusion, where the shaping takes place in two steps, with the extrudate being broken into shaped articles in a first step, and these shaped articles being rounded off in a second step in the plastic state.

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