国家/地区 美国（2）
IPC部 C（2）
IPC大类 C04（2）
IPC小类 C04B（2）
IPC C04B038/10（2）
发明人
公开年
申请年
专利权人

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

Cementing subterranean well, involves preparing composition comprising aqueous fluid, inorganic cement, gas generating agent and stabilizer comprising graphene oxide which results in set cement having greatest percent deviation.

XIANG C, PANGA M K R