Flexible, high purity expanded graphite sheet, method of...

Details Flexible, high purity expanded graphite sheet, method of... Flexible, high purity expanded graphite sheet, method of...

2011-03-29

2011-03-29

Ortiz, Angela (Department: 1783)

Stock material or miscellaneous articles

Self-sustaining carbon mass or layer with impregnant or...

C423S447100

Reexamination Certificate

active

07914894

ABSTRACT:
The invention provides a flexible, highly pure expanded graphite sheet characterized by having an impurity content of 10 ppm or less and such a degree of flexibility that a sample thereof, 10×100 mm in size can withstand at least 10 times of bending in flexibility test comprising repeatedly bending the sample, with a 50-g weight suspended from one end thereof, by means of bending bodies with a diameter of 6 mm.

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Nobuatsu Watanabe; “Graphite Intercalation Compounds”; Published by Kindai Henshusya Co. Ltd., Sep. 1, 1986; Japan; pp. 328-330.
U.S. Appl. No. 12/478,792, filed Jun. 5, 2009, Hirose, et al.

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