Patent · US Active

Time-temperature indicating device

US8267576B2 · kind B2 · utility

25Cited by

5References

12Claims

0Family size

Assignee

Freshpoint Holdings S.A. · CH

Inventors

Dietrich Haarer · Bayreuth, DE
Yoav Levy · Kiryat Bialik, IL

Key dates

Filing date	Oct 31, 2005
Grant date	Sep 18, 2012
Priority date	—
Expiry date	Aug 1, 2026

Classification

Technology area (CPC G)Physics
CPC primaryG06K11/06
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

The present invention is generally in the field of measuring and indicating techniques and relates to a time-temperature indicating device and methods of manufacturing and reading this device. More specifically, the time-temperature indicator (TTI) device comprises at least one active reactant being at least a part of a component that is configured to be either an electrical component or transformable into an electrical component, said at least one active reactant being selected to be affectable by a chemical and/or physical reaction effecting a change in at least an electrical property of said electrical component at a rate that is time-temperature dependent.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.