国家/地区 美国（2）
IPC部
IPC大类
IPC小类
IPC
发明人 SCHEFFER D（2）
公开年 2012（2）
申请年 2011（2） 
专利权人 VORBECK MATE.（2）

Composition, useful for coating a substrate e.g. glass, lens, metals, fabrics, textiles, ceramics, silicon surfaces, cardboard, paperboard, cellulose-based materials, wood and paper, comprises graphene sheets, binder, and polyalkylene imine.

SCHEFFER D, VARMA V, MONIE S

Multilayered security device useful for preventing tampering comprises a first layer comprising a patterned substrate and a second layer overlying the pattern where the second layer comprises a coating composition comprising graphene sheets.

LETTOW J, SCHEFFER D, LETTOW J S