Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
LUBRICANT FOR COMPRESSION REFRIGERATING MACHINE AND REFRIGERATING APPARATUS USING THE SAME
Document Type and Number:
WIPO Patent Application WO/2008/041509
Kind Code:
A1
Abstract:
Disclosed is a lubricant for compression refrigerating machines characterized by containing a polyvinyl ether compound which contains an alkylene glycol unit or polyoxyalkylene glycol unit and a vinyl ether unit in a molecule, while having a molecular weight of 300-3,000, a metal deactivation agent, and one or more phosphorus compounds selected from phosphate esters and phosphite esters. This lubricant for compression refrigerating machines exhibits good compatibility in a carbon dioxide atmosphere, while having high viscosity index, excellent welding resistance and excellent corrosion stability.

Inventors:
KANEKO MASATO (JP)
IKEDA HARUTOMO (JP)
Application Number:
PCT/JP2007/068361
Publication Date:
April 10, 2008
Filing Date:
September 21, 2007
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
IDEMITSU KOSAN CO (JP)
KANEKO MASATO (JP)
IKEDA HARUTOMO (JP)
International Classes:
C10M107/24; C10M169/04; C10M107/34; C10M133/38; C10M137/02; C10M137/04; C10N20/02; C10N20/04; C10N30/00; C10N30/02; C10N30/06; C10N30/12; C10N40/30
Domestic Patent References:
WO2001012763A12001-02-22
WO1991009097A11991-06-27
WO2007029746A12007-03-15
Foreign References:
JP2001011480A2001-01-16
JPH04300996A1992-10-23
JPH08193196A1996-07-30
JPH1046169A1998-02-17
DE4404804A11995-08-17
Other References:
See also references of EP 2075317A4
Attorney, Agent or Firm:
OHTANI, Tamotsu et al. (Bridgestone Toranomon Bldg. 6F.25-2, Toranomon 3-chom, Minato-ku Tokyo 01, JP)
Download PDF: