国家/地区 韩国（5）
IPC部 C（5）
IPC大类 C04（5） E01（3） E04（2）
IPC小类 C04B（5）
IPC C04B014/02（3） C04B020/00（2） C04B024/26（2）
C04B111/00（2）
发明人
公开年 2022（3） 2023（2）
申请年 2022（5）
专利权人

Inter-floor noise prevention system of house useful for preventing noise generated in upper floor from being transmitted to the lower floor, comprises sound absorbing plate installed on concrete slab, and sound wave vibration blocking plate.

HO S J

Heat-resistant concrete structure used in road icing prevention system, has embedded heater inserted into side of concrete body i.e. formed with heater embedded groove in which heater is seated to have predetermined embedded depth.

TAEHUN K, SAGONGMYUNG, PARK J W, YOO H J, LEE D K, KANG S J, KIMCHANGJOO

Sand mastic asphalt concrete composition used for constructing thin layer impermeable composite pavement, comprises high grade asphalt binder comprising petroleum-based asphalt, diisocyanate, polyetherpolyol, secondary amine, polymer modifier and plastic additive, and fine aggregate.

JO M

Anti-slip pavement composition used for pavement construction method, comprises performance improving material containing graphene dispersion, performance improving filler containing ground calcium carbonate and silicon dioxide, and curing agent.

HAN S O

Apparatus for purifying e.g. construction material, has magnetic body provided with cone-shaped mesh, and cone mesh rod and spiral formed by mounting spiral after frame, where material is waved by undulating body and material is vortexed by cone-and-stick spiral.

JEONG H I, JEONG Y