国家/地区 中国（2） 韩国（2）
IPC部 A（4）
IPC大类 C08（4）
IPC小类 C08L（4）
IPC C08L023/06（4）
发明人 CHOI J H（2） HWAN J E（2） JO C W（2）
KIM H D（2）
公开年 2021（2） 2023（2）
申请年 2020（2）  2022（2） 
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

High toughness nose clip aluminum alloy profile for masks, contains aluminum alloy substrate containing chromium, molybdenum, tungsten, silicon, rhenium, titanium, zirconium, iron, boron, germanium, nano silicon carbide, and aluminum.

PAN Z, SUN J, ZHANG X

Heat insulating greenhouse film used for planting greenhouse crops, comprises PVC film, ethylene vinyl acetate copolymer or light adjusting agricultural film as base film and graphene oxide-aluminum zirconium oxide/silica composite layer.

HE W