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Details for Patent: 5,457,895

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Summary for Patent: 5,457,895

Title: Method of identifying freeze-dried dosage forms
Abstract:The invention permits the application of an identifying mark onto a freeze-dried tablet without the need for application of pressure or for printing directly on the tablet. The invention comprises the preparation of a freeze-dried unit that is embossed with an identifying mark such as a manufacturer's logo, medicinal component strength, or other information relating to the unit. The desired identifying mark is first embossed onto the base of a container such as a blister pocket. Liquid suspension is then filled into the container and freeze-dried therein. The resulting freeze-dried unit in the container is thereby embossed with substantial copy of the identifying mark that was embossed on the base of the container. The embossed identifying mark on the base of the container remains thereon as well, providing at reduced manufacturing cost the added ability to learn the identifying mark on the enclosed freeze-dried unit without opening the blister pack.
Inventor(s): Thompson; Andrew R. (Swindon, GB3), Yarwood; Richard J. (Buckland, GB3), Kearney; Patrick (Swindon, GB3)
Assignee: R. P. Scherer Corporation (Troy, MI)
Application Number:08/104,486
Patent Claim Types:
see list of patent claims
Use; Dosage form; Process;
Patent PDF download available with subscription

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International Patent Family for Patent: 5,457,895

Country Document Number Publication Date Supplementary Protection Certificate SPC Country SPC Expiration
JapanH09506268Jun 24, 1997
Canada2149659Aug 03, 1999
Japan3155554Apr 09, 2001
Austria197542Dec 15, 2000
Denmark0721325Feb 26, 2001
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ISSN: 2162-2639

Preferred citation:

Friedman, Y. Location of pharmaceutical innovation: 2000–2009 Nature Reviews Drug Discovery 9, 835–836 (2010).

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