$Pharmaceutical tablets with diffractive microstructure and compression tools for producing such tablets$

Pharmaceutical tablets with diffractive microstructure and compression tools for producing such tablets

A tablet for pharmaceutical use has on at least one part of its surface a diffractive microstructure which generates diffraction effects which can be perceived in the visible spectral range and which serve as visual safety feature. The tablet includes a plurality of individual powder particles, wher...

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Bibliographische Detailangaben
Hauptverfasser:	SCHNIEPER, MARC, SOECHTIG, JUERGEN, STUCK, ALEXANDER, WALTER, HARALD, ZSCHOKKE, CHRISTIAN
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR BABY COMFORTERS CINEMATOGRAPHY CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICALPURPOSES DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY DEVICES FOR RECEIVING SPITTLE DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGINGPHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL ORADMINISTERING FORMS ELECTROGRAPHY HOLOGRAPHY HUMAN NECESSITIES HYGIENE MATERIALS THEREFOR MEDICAL OR VETERINARY SCIENCE MICROSTRUCTURAL TECHNOLOGY ORIGINALS THEREFOR PERFORMING OPERATIONS PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES PRESSES PRESSES IN GENERAL PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTUREOR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS TRANSPORTING
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Beschreibung
Zusammenfassung:	A tablet for pharmaceutical use has on at least one part of its surface a diffractive microstructure which generates diffraction effects which can be perceived in the visible spectral range and which serve as visual safety feature. The tablet includes a plurality of individual powder particles, where the diffractive microstructures are impressed into the surface of the individual powder particles. A compression tool to produce such tablets has on one pressing surface of the compression tool micro-structures, where the microstructures have dimensions which are smaller than the dimensions of the individual crystallites of the material of the pressing surface of the compression tool. The micro-structures of the compression tool can be produced for example by ion etching or by imprinting.