Invention Grant
- Patent Title: Tetrafluoropropene-based composition
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Application No.: US16494413Application Date: 2018-03-20
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Publication No.: US11370948B2Publication Date: 2022-06-28
- Inventor: Wissam Rached
- Applicant: Arkema France
- Applicant Address: FR Colombes
- Assignee: Arkema France
- Current Assignee: Arkema France
- Current Assignee Address: FR Colombes
- Agency: Buchanan Ingersoll & Rooney P.C.
- Priority: FR1752303 20170321
- International Application: PCT/FR2018/050669 WO 20180320
- International Announcement: WO2018/172687 WO 20180927
- Main IPC: C09K5/04
- IPC: C09K5/04

Abstract:
A composition including between 4 and 6 wt. % of difluoromethane, between 2.5 and 3.5 wt. % of pentafluoroethane, and between 91 and 93.5 wt. % of tetrafluoropropene. The use of the composition as replacement for R404A, R452A, R22, R134a, R245fa, R152a, R422, R502, R407A, R407F, R407C, R1234yf or R1234ze. A heat-transfer composition including the composition and at least one additive chosen from nanoparticles, stabilizing agents, surfactants, tracing agents, fluorescent agents, odorous agents, lubricants, and solubilizing agents.
Public/Granted literature
- US20210115312A1 TETRAFLUOROPROPENE-BASED COMPOSITION Public/Granted day:2021-04-22
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