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Patent Searching and Data


Title:
LUBRICANT FOR COMPRESSION REFRIGERATING MACHINE AND REFRIGERATING APPARATUS USING THE SAME
Document Type and Number:
WIPO Patent Application WO/2008/041508
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, and one or more phosphorus compounds selected from the group consisting of phosphate esters having 25 or more carbon atoms, phosphite esters having 10-60 carbon atoms, amine salts of phosphate esters having 10-60 carbon atoms and metal salts of phosphate esters having 10-60 carbon atoms. This lubricant for compression refrigerating machines exhibits good compatibility in a carbon dioxide atmosphere, while having high viscosity index, excellent welding resistance and excellent stability.

Inventors:
KANEKO, Masato (24-4, Anesakikaigan Ichihara-sh, Chiba 07, 2990107, JP)
金子 正人 (〒07 千葉県市原市姉崎海岸24番地4 Chiba, 2990107, JP)
Application Number:
JP2007/068360
Publication Date:
April 10, 2008
Filing Date:
September 21, 2007
Export Citation:
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Assignee:
IDEMITSU KOSAN CO., LTD. (1-1 Marunouchi 3-chome, Chiyoda-ku Tokyo, 21, 1008321, JP)
出光興産株式会社 (〒21 東京都千代田区丸の内三丁目1番1号 Tokyo, 1008321, JP)
KANEKO, Masato (24-4, Anesakikaigan Ichihara-sh, Chiba 07, 2990107, JP)
International Classes:
C10M169/04; C10M107/24; C10M107/34; C10M137/02; C10M137/04; C10N20/02; C10N20/04; C10N30/00; C10N30/02; C10N30/06; C10N30/08; C10N30/10; C10N40/30
Domestic Patent References:
2001-02-22
1991-06-27
1996-04-18
2007-03-15
Foreign References:
JP2001011480A2001-01-16
JPH04300996A1992-10-23
JPH0688086A1994-03-29
JPH08193196A1996-07-30
JPH1046169A1998-02-17
Other References:
See also references of EP 2075316A1
Attorney, Agent or Firm:
OHTANI, Tamotsu et al. (OHTANI PATENT OFFICE, Bridgestone Toranomon Bldg. 6F.25-2, Toranomon 3-chome, Minato-ku Tokyo01, Tokyo1050001, JP)
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