国家/地区 韩国（4）
IPC部 C（4）
IPC大类 C04（4） B28（2）
IPC小类 C04B（4）
IPC C04B014/02（4）
发明人 LEE Y（3） YEOUL L J（3）
公开年 2020（4）
申请年 2019（4） 
专利权人 LEE Y（2）

Mortar composition useful for interior and exterior of buildings, comprises loess, artificial aggregate composed of sand, graphene powder, photocatalyst powder i.e. titanium dioxide, anatase and rutile.

LEE Y, YEOUL L J

High strength artificial aggregate useful in concrete products i.e. roadway blocks, boundary stones and revetment blocks comprises e.g. cement, sand, graphene powder, photocatalyst powder and high performance water reducing agent.

LEE Y, YEOUL L J

Producing pedestrian-vehicle passage block, comprises e.g. producing high-strength artificial aggregate comprising cement, sand, graphene, photocatalyst powder, high performance water reducing agent, and crushing.

LEE Y, YEOUL L J

High strength nonflammable insulation material useful in insulator, comprises expanded/foamed graphene oxide, sodium silicate, inorganic solid binder, and acid compound containing citric acid, succinic acid and tartaric acid.

CHOI J Y