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US Patent 8033715 Nanoparticle based thermal history indicators

Patent 8033715 was granted and assigned to Illinois Institute of Technology on October, 2011 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors

Is a

Patent

Patent attributes

Current Assignee

Illinois Institute of Technology

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

8033715

Date of Patent

October 11, 2011

Patent Application Number

11983367

Date Filed

November 8, 2007

Patent Citations Received

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US Patent 11853013 Systems and methods for indicating the time elapsed since the occurrence of a triggering event

Patent Primary Examiner

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Lisa Caputo

Patent abstract

An indicator composition for determining a thermal or chronological history during shipping or storage of a product. The composition includes a plurality of nanoparticles dispersed throughout a matrix. The nanoparticles turn color while dispersed in the matrix as a function at least one of time and temperature.