国家/地区 美国（4） 世界知识产权组织（2）
IPC部 C（3） B（2）
IPC大类 C08（3） B05（2）
IPC小类 C08K（3） B05D（2）
IPC B05D005/12（2） C08K003/04（2） C08K005/05（2）
C08K005/1535（2）
发明人 SCHEFFER D（5）
公开年 2012（3）
申请年 2011（5）
专利权人 VORBECK MATE.（4） SCHEFFER D（3）

Coating of substrate used to form printed electronic device, involves applying composition comprising graphene sheets, graphite, and polymer e.g. acid modified ethylene acrylate, to substrate, and curing composition at specified temperature.

SCHEFFER D, MARTIN C V

Composition used as coatings and inks comprises graphene sheets, graphite, binder, and a carrier system.

REDMOND K, SCHEFFER D, MARTIN C V

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

Making conductive image useful in e.g. security device, involves forming image on substrate, overcoating the image with coating containing graphene sheets, and removing a portion of the coating from the substrate.

REDMOND K, SCHEFFER D