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US Patent 7251984 Refrigerant with leak detection dye concentrate

Patent 7251984 was granted and assigned to Spectronics Corporation on August, 2007 by the United States Patent and Trademark Office.

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Patent
Patent
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Patent attributes

Current Assignee
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Spectronics Corporation
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
72519840
Patent Inventor Names
John Duerr0
B. William Cooper0
Date of Patent
August 7, 2007
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Patent Application Number
112383460
Date Filed
September 29, 2005
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Patent Citations Received
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Patent Primary Examiner
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Daniel S Larkin
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Patent abstract

A container including a mixture of refrigerant and leak detection dye medium is disclosed for adding to an air conditioning or refrigeration system. The container includes a storage container adapted to communicate with an air conditioning or refrigeration system for supplying material inside the container to the air conditioning or refrigeration system. A refrigerant is contained within the container, along with a leak detection dye medium. The dye medium including a dye adapted to fluoresce when exposed to incident radiation below about 500 nm. The dye medium having an initial state where at least a portion of the dye medium is in a non-liquid form separate from the refrigerant and includes a concentrated dye, and a second state where the dye is dispersed or mixed with the refrigerant. A method of forming the mixture within the container is also disclosed.

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