国家/地区 韩国（2）
IPC部 C（3）
IPC大类 C04（3）
IPC小类 C04B（3）
IPC C08L075/04（3）
发明人 HO M J（2） SEUNGGYEONG Y（2）
公开年 2022（2）
申请年 2021（3） 
专利权人 SBB CO LTD（2）

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

Repairing a pothole in roadway by forming undercut cavities in the pothole wall, below a surrounding road surface, clearing debris and removing loose asphalt pieces from pothole, filling, and applying expanding polymer base binder.

YOGEV R, KENIG S