国家/地区 韩国（3）
IPC部 C（3）
IPC大类 C08（3）
IPC小类 C08G（3）
IPC C08G018/76（3）
发明人 HO M J（2） SEUNGGYEONG Y（2）
公开年 2022（3）
申请年 2021（3）
专利权人 SBB CO LTD（2）

Waterproofing structure useful for repairing cracks of rooftop, underground parking lot, toilet, brick-masonry wall, and floor, comprises e.g. identifying cracks in structure, and perforating injection holes in identified crack site.

KWON S

Water-permeable block comprises e.g. porous structure having honeycomb structure and filler to be filled in empty space of porous structure, includes gravel and bio-urethane-based adhesive containing polymeric methylenediphenyl diisocyanate.

HO M J, SEUNGGYEONG Y

Water-permeable block comprises e.g. gravel and bio-urethane-based adhesive containing first agent comprising polymeric methylenediphenyl diisocyanate and isocyanate monomer and second agent comprising petroleum polyether polyol.

HO M J, SEUNGGYEONG Y