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Gel Based Temperature Indicators

A technology of indicators and gels, applied in thermometers, thermometers with physical/chemical changes, thermometers that give average/integral values, etc., can solve problems such as temperature sensitivity, loss of efficacy or quality

Active Publication Date: 2021-12-14
TEMPTIME CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Many commercial products are sensitive to temperature conditions, such as freezing, thawing, high or low temperatures, and / or exposure to elevated temperatures for extended periods of time, and may lose efficacy or quality under any of these conditions

Method used

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  • Gel Based Temperature Indicators
  • Gel Based Temperature Indicators
  • Gel Based Temperature Indicators

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0115]A gel-based temperature indicator comprising: a first absorbent substrate having opposing first and second sides; a first gel coupled to the first side; wherein the first gel is a gel at a first temperature; wherein the first gel becomes a liquid at a second temperature; wherein the first absorbent substrate is configured to allow passage of the first gel while becoming a liquid The first surface diffuses on the second surface; where, in mm 2 The ratio of the area of ​​said second face in mm to the thickness of said first absorbent substrate in mm is at least 10 mm.

Embodiment approach 2

[0117] The gel-based temperature indicator of embodiment 1, wherein the first face includes indicia that are displayed when the first gel is diffused through the first face.

Embodiment approach 3

[0119] The gel-based temperature indicator of embodiment 1 or 2, wherein the first gel directly contacts the first face; the first gel contains a first additive, and when the first gel The first additive affects the visual appearance of the first absorbent substrate as the glue spreads towards the second side.

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Abstract

A gel-based temperature indicator is disclosed that includes a first absorbent substrate having opposing first and second sides and a first gel coupled to the first side. In some embodiments, the first gel is a gel at a first temperature, and the first gel becomes a liquid at a second temperature. In some embodiments, the first absorbent substrate is configured to allow diffusion of the first gel through the first face and the second face when it becomes a liquid.

Description

[0001] priority claim [0002] This application claims priority to US Provisional Patent Application No. 62 / 279,529, filed January 15, 2016, the entire disclosure of which is incorporated herein by reference. Background technique [0003] Many commercial products are sensitive to temperature conditions, such as freezing, thawing, high or low temperatures, and / or exposure to elevated temperatures for extended periods of time, and may lose efficacy or quality under any of these conditions. Examples of temperature sensitive commercial products include certain pharmaceuticals, medical products and foods as well as some industrial products. There is a continuing need for various effective indicators of temperature conditions. Contents of the invention [0004] A gel-based temperature indicator is disclosed that includes a first absorbent substrate having opposing first and second sides and a first gel coupled to the first side. In some embodiments, the first gel is a gel at a f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01K11/12G01K3/04G01N31/22
CPCG01K3/04G01K11/06A23L3/00A23V2002/00G01K11/18
Inventor 约翰·纽波特莫翰那德·阿布多道恩·E·史密斯
Owner TEMPTIME CORP