IP Library › Granted Patent US 9,845,419
Granted Patent B2
US 9,845,419 · App. 13/530,484 · Granted Dec 19, 2017

Low GWP heat transfer compositions containing difluoromethane and 1,3,3,3-tetrafluoropropene

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Quick Facts
Patent No.
US 9,845,419
App. No.
13/530,484
Granted
Dec 19, 2017
Kind
B2
Abstract

Heat transfer compositions, methods and use wherein the composition comprising: (a) from about 5 to about 20% by weight of HFC-32 and (b) from about 80% to about 95% by weight of HFO-1234ze.

Claims (4)

1. A mobile air conditioning system comprising: at least one compressor, at least one condenser, at least one evaporator and a heat transfer composition comprising a refrigerant comprising: (a) from about 74% to about 90% by weight of transHFO-1234ze and (b) from about 10% to about 26% by weight of HFC-32.

2. The mobile air conditioning system of claim 1 wherein said composition has a GWP of not greater than 150.

3. The mobile air conditioning system of claim 2 wherein said composition is non-flammable.

4. The mobile air conditioning system of claim 1 wherein said composition is non-flammable.

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 Aug 14, 2012
From: YANA MOTTA, SAMUEL F.; SPATZ, MARK W.; SEETON, CHRISTOPHER J.
To: HONEYWELL INTERNATIONAL INC.
Reel/Frame 028783/0532 →