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.:
Date of Patent:
Mar. 07, 2017
Filed:
Jan. 19, 2015
Jx Nippon Oil & Energy Corporation, Chiyoda-ku, Tokyo, JP;
Hitoshi Takahashi, Tokyo, JP;
Ken Sawada, Tokyo, JP;
Akira Tada, Tokyo, JP;
Souichirou Konno, Tokyo, JP;
JX Nippon Oil & Energy Corporation, Tokyo, JP;
Abstract
Disclosed is a working fluid composition for a refrigerating machine, comprising a refrigerating machine oil comprising an ester of a polyhydric alcohol and a fatty acid, a carbodiimide compound, and a phosphorous compound, and at least one refrigerant selected from 1, 1, 1,2-tetrafluoroethane and 2,3,3,3-tetrafluoropropene, the fatty acid comprises at least one selected from fatty acids having 4 to 9 carbon atoms, and the carbodiimide compound and the phosphorus compound satisfy the conditions represented by the formula (1): wherein, Nrepresents the number of carbodiimide groups per molecule of the carbodiimide compound, Mrepresents the molecular weight of the carbodiimide compound, Wrepresents the content of the carbodiimide compound, Nrepresents the number of phosphorus atoms per molecule of the phosphorus compound, Mrepresents the molecular weight of the phosphorus compound, and Wrepresents the content of the phosphorus compound.