国家/地区 世界知识产权组织（4）
IPC部 C（4）
IPC大类 C04（4） C08（2） E04（2）
IPC小类 C04B（4）
IPC C04B038/10（2） C04B111/40（2）
发明人
公开年 2021（4）
申请年 2021（4）
专利权人

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

Paper surface gypsum board comprises plate core comprising gypsum clinker, expanded vermiculite, silicon ash, phase-change material, heat-conducting reinforcing material, reinforcing fiber, polyvinyl alcohol and surface protecting paper.

WANG L, CHEN H, LIU W, RAN X, WANG B, YANG Z

Composite tool component for drill head, comprises conforming catalyst metal that coats diamond particles and graphene particles with consistent thickness about diamond particles and graphene particles.

KUMAR B P, RIVERA R, ROBERTS T S, IVIE B, JORDAN R, RIVERA R J

Multi-stage foam sound absorbing black material comprises polymer foam framework and continuous graphene resonant cavity attached on framework.

XU Z, LIU X, GAO C, PANG K