Title:
REFRIGERATING MACHINE OIL COMPOSITIONS
Document Type and Number:
WIPO Patent Application WO/2000/053704
Kind Code:
A1
Abstract:
A refrigerating machine oil composition which comprises a base oil comprising a mineral oil and/or a synthetic oil and, compounded therewith, (a) a partial ester of a polyhydric alcohol with a fatty acid and (b) an acid phosphoric ester or an amine salt thereof; and a refrigerating machine oil composition which comprises a base oil comprising a mineral oil and/or a synthetic oil and, compounded therewith, (a) an acid phosphoric ester or an amine salt thereof, (b) an alkylene oxide adduct of an acetylenic glycol, (c) the potassium salt of a fatty acid, etc., (d) an organic acid, and (e) a fatty acide amide, etc. The compositions have excellent lubricating performace and produce a satisfactory friction-reducing effect in either an oily region or an extreme pressure region, especially in friction between an aluminum material and an iron material.
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Inventors:
SAKANOUE SHUICHI (JP)
TAKESUE MASAHIKO (JP)
JIDO YOUICHIRO (JP)
TAKAGI MINORU (JP)
TOMINAGA SHOICHI (JP)
NAGAKAWA HIROSHI (JP)
TAKESUE MASAHIKO (JP)
JIDO YOUICHIRO (JP)
TAKAGI MINORU (JP)
TOMINAGA SHOICHI (JP)
NAGAKAWA HIROSHI (JP)
Application Number:
PCT/JP2000/001197
Publication Date:
September 14, 2000
Filing Date:
March 01, 2000
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
SAKANOUE SHUICHI (JP)
TAKESUE MASAHIKO (JP)
JIDO YOUICHIRO (JP)
TAKAGI MINORU (JP)
TOMINAGA SHOICHI (JP)
NAGAKAWA HIROSHI (JP)
SAKANOUE SHUICHI (JP)
TAKESUE MASAHIKO (JP)
JIDO YOUICHIRO (JP)
TAKAGI MINORU (JP)
TOMINAGA SHOICHI (JP)
NAGAKAWA HIROSHI (JP)
International Classes:
C10M141/10; C10M161/00; C10M169/04; C10M171/00; (IPC1-7): C10M137/02; C10M129/26; C10M129/76; C10M133/04; C10M133/16; C10M145/36
Domestic Patent References:
| WO1996007721A1 | 1996-03-14 | |||
| WO1992001030A1 | 1992-01-23 |
Foreign References:
| EP0785247A1 | 1997-07-23 | |||
| EP0557104A1 | 1993-08-25 | |||
| JPH0925492A | 1997-01-28 | |||
| EP0507158A1 | 1992-10-07 | |||
| EP0461262A1 | 1991-12-18 | |||
| JPS60173097A | 1985-09-06 |
Other References:
See also references of EP 1167495A4
Attorney, Agent or Firm:
Kataoka, Makoto c/o Idemitsu Kosan Co. (Ltd. Intellectual Property Center 24-4
Anesakikaigan Ichihara-shi, Chiba, JP)
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