Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Solid hydrocarbon polymer
Reexamination Certificate
2008-07-15
2008-07-15
Harlan, Robert D. (Department: 1796)
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Solid hydrocarbon polymer
C508S506000, C508S287000
Reexamination Certificate
active
11151324
ABSTRACT:
Lube formulations and concentrates are disclosed herein. The formulations comprise copolymers of ethylene and propylene.
REFERENCES:
patent: 5151204 (1992-09-01), Struglinski
patent: 5427702 (1995-06-01), Chung et al.
patent: 495 099 (1992-07-01), None
patent: 608 369 (1994-08-01), None
patent: 632 066 (1995-01-01), None
patent: WO 97/32946 (1997-09-01), None
patent: WO 99/10422 (1999-03-01), None
patent: WO 02/46251 (2002-06-01), None
Hazelton Ronald Lewis
Nass Kirk Alan
Ravishankar Periagaram Srinivasan
ExxonMobil Chemical Patents Inc.
Harlan Robert D.
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