Abstract: Multilayered security devices comprising a patterned substrate over which a graphene-based coating has been applied.

Abstract: A method of coating a substrate wherein a composition comprising graphene sheets and at least one polymer having a melting point or glass transition temperature of no greater than about 100° C. is applied to the substrate and the composition is cured at a temperature no greater than about 135° C. to form a coating.

Abstract: Embodiments of the present invention relate to a wearable personal thermal management system and an associated method of manufacture. The PTMS comprises a harness that includes one or more cooling components and/or heating components. The harness include an upper-torso wearable portion and/or a lower-torso wearable portion. The PTSM provides a heating and/or cooling effects to one or more thermally sensitive areas of its user when worn.

Abstract: A method of printing articles having variable conductivities, including those having conductivity gradients.

Abstract: Compositions comprising graphene sheets, at least one binder, and a carrier system, wherein about 1 to about 50 weight percent of the carrier system comprises at least one cyclic amide, cyclic imide, and/or lactone. The compositions may be used as coatings and inks.

Abstract: Compositions comprising graphene sheets and at least one metal having an anodic index of no greater than about ?1.0 V. Disclosed is are coatings comprising compositions comprising graphene sheets and at least one metal having an anodic index of no greater than about ?1.0 V. Also disclosed is an object or structure coated at least in part with a coating comprising graphene sheets and at least one metal having an anodic index of no greater than about ?0.7 V and methods of coating objects and structures.

Abstract: Thermal management devices comprising compositions comprising graphene sheets and compositions comprising graphene sheets and at least one thermally conductive, non-electrically conductive compound. The thermal management devices of the present invention comprise compositions comprising graphene sheets, and other components such as electrically conductive materials. By thermal management device is meant a device or component of a device that is designed or used to generate, spread, disperse, otherwise handle or manage the flow of heat. Examples include heaters, heating elements, heat sinks, thermal diffusion devices, heat spreaders, coolers, thermally conductive adhesives, thermally conductive gaskets and seals. The thermal management devices can be flexible and made to conform to surfaces. They can be crease resistant and thin. They can be used in items such as apparel, bags, gear, etc.

Abstract: Compositions comprising carbonaceous filler, polymeric binder, and at least one organic compound having at least one charged functional group.

Abstract: Capacitive touch device styluses, comprising tips coated with an electrically conductive coating.

Abstract: Capacitive touch device styluses, comprising brushes comprising bristles coated with an electrically conductive coating.

Abstract: Multilayered security devices comprising a patterned substrate over which a graphene-based coating has been applied.

Abstract: A method of printing articles having variable conductivities, including those having conductivity gradients.

Abstract: Compositions comprising graphene sheets, at least one polymeric binder, and at least one polyalkyleneimine. The compositions may further comprise a liquid carrier. They may be in the form of a coating.

Abstract: Methods of making ink toners for use in electrostatic imaging are disclosed.

Abstract: Compositions comprising at least one polymer binder, graphene sheets, and graphite, wherein the ratio by weight of graphite to graphene sheets is from about 40:60 to about 98:2.

Abstract: Inks and coatings comprising at least one polymeric binder, at least one carbonaceous filler, and at least one multi-chain lipid.

Abstract: Compositions comprising graphene sheets and at least one charged organic compound.

Abstract: Compositions comprising crosslinked graphene sheets and/or graphite oxide and having essentially no polymer binder and methods of making crosslinked graphene sheets and/or graphite oxide. The compositions can be made by crosslinking coatings comprising graphene sheets and/or graphite oxide.

Abstract: Articles comprising a surface coated with a composition containing graphene sheets and at least one polymer binder where the articles have been bent at the coated surface after the coating was applied. Methods of making coated articles that are bent after coating.

Abstract: Compositions comprising graphene sheets, at least one olefin polymer, and at least one crosslinking agent and crosslinked compositions comprising graphene sheets and at least one olefin polymer. A method of making a crosslinked composition comprising graphene sheets and at least one olefin polymer, coatings comprising the compositions, and a method of coating a surface with the compositions are disclosed.