Lubricating oil composition

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

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C508S563000, C508S459000

Reexamination Certificate

active

07625850

ABSTRACT:
A high-temperature lubricating oil composition is provided, which is resistant to hardening and sludge formation, and displays minimal evaporation loss and superior thermal stability, even under practical high-temperature open system conditions such as those found in a tenter. A lubricating oil composition that provides excellent lubrication without damaging members used within working machinery is also provided. The lubricating oil composition comprises a polyolester based synthetic oil and a C12to C72fatty acid and/or a diphenylamine derivative containing an arylalkyl group with a number average molecular weight of 400 to 800.

REFERENCES:
patent: 3452056 (1969-06-01), Sundholm
patent: 3505225 (1970-04-01), Wheeler
patent: 5145593 (1992-09-01), Takashima
patent: 5358652 (1994-10-01), Macpherson
patent: 5464549 (1995-11-01), Sieberth
patent: 5726135 (1998-03-01), Khorramian
patent: 5768755 (1998-06-01), Hemmerich
patent: 5773391 (1998-06-01), Lawate et al.
patent: 2003/0125219 (2003-07-01), Tazaki et al.
patent: 2005/0070449 (2005-03-01), Roby et al.
patent: 69510 755 (2000-03-01), None
patent: 0 712 834 (1999-07-01), None
patent: 07-305079 (1995-11-01), None
patent: 09-003468 (1997-01-01), None
patent: 2000-129279 (2000-05-01), None
patent: 2001-049281 (2001-02-01), None
patent: 2001-303086 (2001-10-01), None
Korean Office Action dated Jun. 9, 2006 and received by client Jun. 16, 2006.
German Office Action dated Jun. 26, 2006.
Japanese Office Action dated Jan. 8, 2008 (mailing date), issued in corresponding Japanese Patent Application No. 2005-035276.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Lubricating oil composition does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Lubricating oil composition, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Lubricating oil composition will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-4100563

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.