Kit containing sealing liquid for safety closures

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9383322
APP PUB NO 20140076042A1
SERIAL NO

14089813

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A sealing liquid for sealing mail pieces contains water and a penetration agent. The sealing liquid is applied by letter-closing devices and franking machines containing such a sealing liquid. Once sealed, the opening of the letter produces a pronounced pattern so that it is clear that the letter has been opened. Therefore any attempts to reseal the once opened enveloped are easily detected.

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First Claim

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Family

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Patent Owner(s)

  • FRANCOTYP-POSTALIA GMBH;FRACOTYP-POSTALIA GMBH

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gerhardt, Thomas Berlin, DE 21 218
Muhl, Wolfgang Hohen Neuendorf, DE 45 153

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