Invention Grant
- Patent Title: Pentaerythritol tetraester
- Patent Title (中): 季戊四醇四酯
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Application No.: US13813695Application Date: 2011-06-30
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Publication No.: US08772530B2Publication Date: 2014-07-08
- Inventor: Toshihiro Inayama , Satoshi Hiyoshi , Nobuhito Amemiya , Shigehisa Kishimoto
- Applicant: Toshihiro Inayama , Satoshi Hiyoshi , Nobuhito Amemiya , Shigehisa Kishimoto
- Applicant Address: JP Tokyo
- Assignee: KH Neochem Co., Ltd.
- Current Assignee: KH Neochem Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Greenblum & Bernstein, P.L.C.
- Priority: JP2010-187570 20100824
- International Application: PCT/JP2011/065109 WO 20110630
- International Announcement: WO2012/026214 WO 20120301
- Main IPC: C07C69/34
- IPC: C07C69/34
Abstract:
A pentaerythritol tetraester which is a mixed ester of pentaerythritol and carboxylic acids is provided, wherein the carboxylic acids consist of isobutyric acid and 3,5,5-trimethylhexanoic acid and the molar ratio of isobutyric acid to 3,5,5-trimethylhexanoic acid in the carboxylic acids is 36/64 to 80/20. The pentaerythritol tetraester may be used in a refrigerant oil or the like which exhibits excellent miscibility with a difluoromethane refrigerant among other properties.
Public/Granted literature
- US20130131374A1 PENTAERYTHRITOL TETRAESTER Public/Granted day:2013-05-23
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