Compositions – Magnetic – Flaw detection or magnetic clutch
Reexamination Certificate
2006-06-20
2006-06-20
Koslow, C. Melissa (Department: 1755)
Compositions
Magnetic
Flaw detection or magnetic clutch
C252S062550
Reexamination Certificate
active
07063802
ABSTRACT:
An element-modified ferrofluid comprising a base oil, a plurality of magnetic particles covered with at least one surfactant, and an elemental modifier. The elemental modifier is a metal, a metal mixture, an alloy, or a nonmetal.
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Iijima Nobuharu
Kurihara Nobuaki
Nemoto Koji
Tsuda Shiro
Deleault, Esq. Robert R.
Ferrotec Corporation
Koslow C. Melissa
Mesmer & Deleault, PLLC
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