Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Organic -co- compound
Reexamination Certificate
2003-04-29
2009-11-10
Toomer, Cephia D (Department: 1797)
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Organic -co- compound
C525S129000, C525S130000, C525S131000, C525S132000, C525S133000, C525S150000, C525S152000, C525S191000, C525S192000, C525S193000, C525S194000, C525S195000, C525S196000, C525S280000, C525S294000, C525S314000, C525S326100, C525S327800, C525S340000, C525S343000, C525S360000, C525S383000, C508S470000, C508S471000
Reexamination Certificate
active
07615522
ABSTRACT:
The present invention relates to a block copolymer prepared by ATRP, wherein the polymer chain terminal group is structurally modified with the functionally effective group of a lubricant or polymer additive selected from the group consisting of antioxidants, metal deactivators, antiwear and extreme pressure additives and corrosion inhibitors. The invention also relates to a composition comprising the structurally modified block copolymer and a composition of matter subject to oxidative, thermal or light induced degradation, such as lubricants or polymers.
REFERENCES:
patent: 6433100 (2002-08-01), Kramer et al.
patent: 10052646 (2002-05-01), None
patent: 1000979 (2000-05-01), None
patent: 1002847 (2000-05-01), None
patent: 00/18807 (2000-04-01), None
patent: 01/40328 (2001-06-01), None
patent: 02/070575 (2002-09-01), None
Camenzind Hugo
Dubs Paul
Hänggi Peter
Martin Roger
Mühlebach Andreas
Ciba Specialty Chemicals Corporation
Loggins Shiela A.
Toomer Cephia D
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