国家/地区 中国（2） 韩国（2）
IPC部 C（4）
IPC大类 C04（4）
IPC小类 C04B（4）
IPC C04B014/02（4）
发明人 HO M J（2） SEUNGGYEONG Y（2）
公开年 2021（2） 2022（2）
申请年 2021（4）
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

Preparing hydrophilic carbon black useful for preparing building pigments, comprises dispersing graphene oxide and furnace carbon black in water, then soaking in nitric acid solution, carrying out solid-liquid separation and drying.

YU L, LI Y

Preparing crystalline graphene useful as modifying agent in preparation of modified asphalt, comprises heating high-activity calcium hydroxide powder, performing chemical vapor deposition reaction, acid washing, filtering and etching.

CUI Y