Compositions – Magnetic – Flaw detection or magnetic clutch
Reexamination Certificate
2007-07-12
2010-06-08
Koslow, C. Melissa (Department: 1793)
Compositions
Magnetic
Flaw detection or magnetic clutch
Reexamination Certificate
active
07731863
ABSTRACT:
A magnetorheological fluid formulation comprising magnetizable particles dispersed in carrier fluid and a thixotropic agent wherein the thixotropic agent comprises a fluorocarbon grease.
REFERENCES:
patent: 5645752 (1997-07-01), Weiss et al.
patent: 6203717 (2001-03-01), Munoz et al.
patent: 2004/0084263 (2004-05-01), Kintz et al.
patent: 2004/042747 (2004-05-01), None
patent: WO 2004/042747 (2004-05-01), None
EP Search Report dated Oct. 17, 2008.
Foister Robert T.
Iyengar Vardarajan R.
Yurgelevic Sally M.
Dickinson Wright PLLC
Koslow C. Melissa
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