国家/地区 韩国（4）
IPC部 A（2） C（2）
IPC大类 A61（2）
IPC小类 A61K（2） A61P（2）
IPC A61K009/00（2） A61K033/44（2） A61P025/16（2）
A61P025/28（2）
发明人 KIM H S（4）
公开年 2021（4）
申请年 2020（4）
专利权人 KIM H S（4）

Preparing graphene oxide comprises preparing graphite nanopowder by adding hydrogen peroxide and graphite powder to the ball mill device, operating the ball mill device, and oxidizing graphene powder in hydrogen peroxide.

KIM H S

Physiological saline solution used for preventing or treating diseases such as corona, comprises graphene dispersed by adding and dispersing graphene powder to a physiological saline solution, and a coronavirus vaccine using the same.

KIM H S

Graphene dispersion containing physiological saline solution for e.g. treating disease including dementia disease, comprises graphene powder added and dispersed in physiological saline or biological graphene powder.

KIM H S

Apparatus used to manufacture printed circuit board comprises frame unit, base plate, resin tank, liquid crystal mask technology type three dimensional printing unit, two dimensional printing unit, sintering unit and control unit.

KIM H S