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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11261360 B1

PDFFull Text
Date of Patent:
Mar. 01, 2022

Filed:

Dec. 24, 2019

Stabilized heat transfer compositions, methods and systems

Applicant:

Honeywell International Inc., Morris Plains, NJ (US);

Inventors:

Gregory Laurence Smith, Niagara Falls, CA;

Ankit Sethi, Charlotte, NC (US);

Yang Zou, Charlotte, NC (US);

Samuel F Yana Motta, Charlotte, NC (US);

Assignee:

HONEYWELL INTERNATIONAL INC., Charlotte, NC (US);

Attorney:

Colleen D. Szuch

Primary Examiner:

John R Hardee

Int. Cl.
CPC ...
C09K 5/04 (2006.01); C10M 105/50 (2006.01); C10M 171/00 (2006.01); F25B 31/00 (2006.01); F25B 45/00 (2006.01); C10M 105/38 (2006.01); C10M 111/02 (2006.01); C10N 20/00 (2006.01); C10N 30/08 (2006.01); C10N 40/30 (2006.01);
U.S. Cl.
CPC ...
C09K 5/044 (2013.01); C09K 5/045 (2013.01); C10M 105/38 (2013.01); C10M 105/50 (2013.01); C10M 111/02 (2013.01); C10M 171/008 (2013.01); F25B 31/002 (2013.01); F25B 45/00 (2013.01); C09K 2205/122 (2013.01); C09K 2205/22 (2013.01); C10M 2203/024 (2013.01); C10M 2203/06 (2013.01); C10M 2203/10 (2013.01); C10M 2207/2835 (2013.01); C10M 2211/022 (2013.01); C10M 2211/0206 (2013.01); C10M 2215/202 (2013.01); C10M 2215/204 (2013.01); C10M 2223/041 (2013.01); C10M 2223/049 (2013.01); C10N 2020/101 (2020.05); C10N 2020/103 (2020.05); C10N 2030/08 (2013.01); C10N 2040/30 (2013.01);
Abstract

The present invention relates to heat transfer compositions comprising refrigerant, lubricant and stabilizer, wherein the refrigerant comprises about 49% by weight difluoromethane (HFC-32), about 11.5% by weight pentafluoroethane (HFC-125), and about 39.5% by weight trifluoroiodomethane (CFI), and wherein said lubricant comprises polyol ester (POE) lubricant and/or polyvinyl ether (PVE) lubricant, and wherein said stabilizer comprises an alkylated naphthalene and optionally but preferably an acid depleting moiety.

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