Invention Grant
- Patent Title: Thermal indicating composition
- Patent Title (中): 热指示组成
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Application No.: US13413164Application Date: 2012-03-06
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Publication No.: US08722418B1Publication Date: 2014-05-13
- Inventor: James L. Zunino, III , Zafar Iqbal
- Applicant: James L. Zunino, III , Zafar Iqbal
- Applicant Address: US DC Washington
- Assignee: The United States of America as Represented by the Secretary of the Army
- Current Assignee: The United States of America as Represented by the Secretary of the Army
- Current Assignee Address: US DC Washington
- Agent Henry S. Goldfine
- Main IPC: G01N31/22
- IPC: G01N31/22
Abstract:
A reversible, colored thermal indicating composition, whose chromaticity provides a measure of the elapsed time within specific elevated temperature bands—the composition containing one or more polydiacetylenes (PDAs) in combination with ZnO alloyed with a transition metal oxide, such as ZrO2 and/or TiO2.
Information query
