Near Infrared Absorbing Agent and Near Infrared Absorbing Film
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United States of America Patent
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app pub date -
Aug 17, 2012
filing date -
Dec 29, 2009
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Abandoned
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Abstract
Disclosed herein is a method for preparing a near infrared absorbing agent. The method includes admixing tungsten trioxide and a reducing agent in water and allowing for a partial reduction of the tungsten trioxides to yield the near infrared absorbing agent.
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