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Patent Searching and Data


Title:
REFRIGERATOR OIL COMPOSITION, METHOD FOR PRODUCING SAME, AND WORKING FLUID COMPOSITION FOR REFRIGERATORS
Document Type and Number:
WIPO Patent Application WO/2013/125528
Kind Code:
A1
Abstract:
A refrigerator oil composition which contains: at least one ester additive that is selected from among tetraesters of pentaerythritol and one fatty acid selected from among fatty acids having 5-18 carbon atoms and hexaesters of dipentaerythritol and one fatty acid selected from among fatty acids having 5-18 carbon atoms; and a base oil that is an ester other than the ester additive. The content of the ester additive is 2-20% by mass based on the total mass of the refrigerator oil composition; and the kinematic viscosity of the refrigerator oil composition at 40°C is 3-500 mm2/s.

Inventors:
SAITO MASANORI (JP)
OKIDO TAKESHI (JP)
ETO HIROSHI (JP)
ADEGAWA KUNIKO (JP)
Application Number:
PCT/JP2013/054013
Publication Date:
August 29, 2013
Filing Date:
February 19, 2013
Export Citation:
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Assignee:
JX NIPPON OIL & ENERGY CORP (JP)
International Classes:
C10M169/04; C09K5/04; C10M105/32; C10M105/38; C10M129/74; C10M135/20; C10M137/04; C10N20/02; C10N30/06; C10N40/30
Foreign References:
JP2012031239A2012-02-16
JP2002356694A2002-12-13
JPH08503975A1996-04-30
JP2005325151A2005-11-24
JP2001226690A2001-08-21
JPH05171174A1993-07-09
JPH08157847A1996-06-18
JPH09189453A1997-07-22
Other References:
See also references of EP 2818537A4
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
Yoshiki Hasegawa (JP)
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Claims: