IP Library › Granted Patent US 7,479,477
Granted Patent B2
US 7,479,477 · App. 11/109,195 · Granted Jan 20, 2009

Azeotrope-like compositions of difluoromethane and trifluoroiodomethane

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Quick Facts
Patent No.
US 7,479,477
App. No.
11/109,195
Granted
Jan 20, 2009
Kind
B2
Abstract

Provided are azeotrope-like compositions comprising difluoromethane and trifluoroiodomethane and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.

Claims (2)

1. A refrigeration system comprising a heat transfer composition, said composition comprises at least about 50% by weight of an azeotrope-like composition comprising effective amounts of HFC-32 and CF 3 I.

2. A refrigeration system of claim 1 selected from group consisting of automotive air conditioning systems, residential air conditioning systems, commercial air conditioning systems, residential refrigerator systems, residential freezer systems, commercial refrigerator systems, commercial freezer systems, chiller air conditioning systems, chiller refrigeration systems, heat pump systems, and combinations of two or more of these.

Assignments (2)
SECURITY INTEREST Recorded Jan 12, 2026
From: SOLSTICE ADVANCED MATERIALS US, INC.
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 074569/0260 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 11, 2025
From: SINGH, RAJIV R.; PHAM, HANG T.; WILSON, DAVID P.
To: HONEYWELL INTERNATIONAL INC.
Reel/Frame 070476/0334 →