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US Patent 7759532 Refrigerant additive compositions containing perfluoropolyethers

Patent 7759532 was granted and assigned to E.I. Du Pont De Nemours And Company on July, 2010 by the United States Patent and Trademark Office.

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Patent Citations Received
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US Patent 11976234 Refrigerant additives and compositions
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Patent abstract

The present invention relates to compositions and processes of using perfluoropolyether to maintain or improve the oil return, lubrication, cooling capacity, or energy efficiency of a refrigeration, air conditioning or heat transfer system.

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Patent Inventor Names
Gregory A. Bell0
Thomas Frank Saturno0
Thomas J. Leck0
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=077595320
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US Patent 07759532 Refrigerant additive compositions containing perfluoropolyethers US Patent 7759532 Refrigerant additive compositions containing perfluoropolyethers

Infobox
Patent Number
077595320
Patent Number
77595320
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"Entity importer update"
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edited on 22 Sep, 2022
Infobox
Is a
Patent
Patent
0
Current Assignee
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E.I. Du Pont De Nemours And Company
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
077595320
Date of Patent
July 20, 2010
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Patent Application Number
118272560
Date Filed
July 11, 2007
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=077595320
Patent Primary Examiner
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Karl J Puttlitz
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Edits on 3 Jun, 2022
"Entity importer update"
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edited on 3 Jun, 2022
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07759532
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 US Patent 07759532 Refrigerant additive compositions containing perfluoropolyethers

Infobox
Is a
Patent
Patent
Current assignee
‌
E.I. Du Pont De Nemours And Company
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07759532
Date of patent
July 20, 2010
Patent application number
11827256
Date Filed
July 11, 2007
Patent primary examiner
‌
Karl J Puttlitz

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