Compositions: coating or plastic – Coating or plastic compositions – Heavy metal compound containing
Reexamination Certificate
2007-09-27
2010-10-19
Brunsman, David M (Department: 1793)
Compositions: coating or plastic
Coating or plastic compositions
Heavy metal compound containing
C423S021100, C423S263000
Reexamination Certificate
active
07815726
ABSTRACT:
A fluoride coating film formed with a fluoride-containing solution wherein a rare earth fluoride or an alkaline earth metal fluoride, in particular, fluoride of Pr, Nd, Dy, Tb and Ho, is swollen in a solvent comprising a major amount of an alcohol, and the solution is a colloidal solution in which the rare earth fluoride or the alkaline earth metal fluoride is dispersed homogeneously in the solvent comprising a major amount of an alcohol improves magnetic properties of NdFeB rare earth magnets including not only sintered magnets but also bonded magnets.
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Chinese Office Action of Appl. No. 200710161378 with translation dated Dec. 11, 2009.
Funyu Shigeaki
Katayose Mitsuo
Komuro Matahiro
Morishita Yoshii
Satsu Yuichi
Antonelli, Terry Stout & Kraus, LLP.
Brunsman David M
Hitachi Chemical Company Ltd.
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