国家/地区 韩国（2）
IPC部 A（3）
IPC大类 C08（3）
IPC小类 C08L（3）
IPC C09D175/04（3）
发明人 CHOI J H（2） HWAN J E（2） JO C W（2）
KIM H D（2）
公开年 2023（2）
申请年 2022（3）
专利权人

Breathable and waterproof safety helmet for inspection and diagnosis comprises safety helmet body that can be worn by workers performing safety inspection and diagnosis and has ventilation holes formed in the thickness direction.

CHOI J H, JO C W, KIM H D, HWAN J E

Waterproof helmet used in safety inspection and diagnosis applications, comprises helmet component, and waterproof film including concave-convex portion bonded to component through adhesive comprising crosslinking agent, viscosity modifier, tackifier, polypropylene and heat-resistant polyamide resin.

CHOI J H, JO C W, KIM H D, HWAN J E

Graphene antibacterial agent used in metal, ceramic and plastic, comprises fixing material and hydroxyl modified graphene composite material, fixing material is aqueous polymer resin, hydroxyl modified graphene composite material comprises hydroxyl modified graphene, inorganic oxide and/or hydroxide.

LI N, WANG H, JIANG B, SONG Q