Refrigerating machine oil composition for carbon dioxide...

Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Organic oxygen compound

Reexamination Certificate

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C508S462000, C252S068000

Reexamination Certificate

active

07018961

ABSTRACT:
The invention relates to a refrigerator oil composition for compression refrigerators with carbon dioxide refrigerant therein, such as car air conditioners, refrigerators, freezers, air conditioners, heat pumps, etc. The base oil of the composition comprises an oxygen-containing organic compound as the essential component and has a kinematic viscosity at 100° C. of from 5 to 50 mm2/sec, a viscosity index of at least 60, and a water content of at most 300 ppm.

REFERENCES:
patent: 2807155 (1957-09-01), Williamitis
patent: 4755316 (1988-07-01), Magid et al.
patent: 6193906 (2001-02-01), Kaneko et al.
patent: 6263683 (2001-07-01), Tazaki
patent: 6306803 (2001-10-01), Tazaki
patent: 6322719 (2001-11-01), Kaneko et al.
patent: 6354094 (2002-03-01), Tazaki
patent: 6613725 (2003-09-01), Tazaki
patent: 992572 (2000-04-01), None
patent: 1-198694 (1989-08-01), None
patent: 2-129294 (1990-05-01), None
patent: 06248286 (1994-09-01), None
patent: 10-46169 (1998-02-01), None
patent: 10-147682 (1998-06-01), None

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