Contact object e.g. drinking straw for contacting beverage for sucking beverage from drinking vessel, has casing comprising pH-sensitive area with pH-indicative material that temporarily displays actual pH-value of surrounding of area

The object (10) e.g. drinking straw (10a), has a casing (16a) comprising a pH-sensitive area (20a) with pH-indicative material (22) i.e. anthocyanin, that temporarily displays actual pH-value of the surrounding of the sensitive area when the material stays in contact with beverage. A body fastened t...

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Bibliographische Detailangaben

Hauptverfasser:	HAMMER, THIERRY, KNAPPENBERGER, TOBIAS, ULMER, PHILIPP, TRAUB, CHRISTOPH, GROSMANN, JUDITHA, GUTJAHR, ALEXANDER, GUTJAHR, SIMON
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
Online-Zugang:	Volltext bestellen
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