国家/地区
IPC部 B（2）
IPC大类 B09（2） C01（2）
IPC小类 B09B（2）
IPC C01B031/02（2）
发明人
公开年
申请年 2013（2） 
专利权人

Preparation of graphene oxide involves sintering powder comprising metal and graphite, acid-treating, electrolyzing, acid-treating separated waste graphite and reacting graphite with oxidizing agent.

LEE H

Barrier article for rendering substrate impermeable to small molecules, and for sealing openings on substrate, comprises a substrate and a continuous graphene-based layer adhered to the surface of the substrate.

HURT R H