C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
23/303
C01B 31/04 (2006.01) C04B 35/536 (2006.01) C09C 1/46 (2006.01)
Patent
CA 2020148
A process for forming pinhole free ultra-thin flexible sheet material from natural graphite comprising treating low ash natural graphite particles with an oxidizing agent to intercalate the graphite, inducting the particles after they are dried to less than 2% by weight water into a furnace preheated to at least 2000°F to cause rapid expansion to a specific volume of at least 450 cc/gm and compressing the expanded graphite.
Getz George
Greinke Ronald Alfred
Howard Ronald Albert
Mercuri Robert Angelo
Sim & Mcburney
Ucar Carbon Technology Corporation
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