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US 4,957,681 AGranted
Preparation of pharmaceutical mixtures
AssigneeBASF SE
InventorsRoger Klimesch, Gerhard Bleckmann, Lothar Schlemmer
Life of this patent
Estimating the term…
Abstract
Pharmaceutical mixtures are prepared by continuous metering of the components and shaping by a conventional method.
Claims3
A continuous process for the preparation of a pharmaceutical mixture having at least two components, wherein the components of the mixture are continously metered which comprises:
- (a) continuously metering the individual components of the pharmaceutical mixture at a rate of at least 50 g/h on electronic differential metering balances having a metering accuracy of at least .+-.5% within time intervals less than 1 minute and having screw conveyors, thereby obtaining a substantially uniformly metered mixture, and
- (b) shaping said mixture.
Dependencies are inferred from the claim text.