国家/地区 中国（3）
IPC部 B（3）
IPC大类 C04（3） B28（2）
IPC小类 C04B（3）
IPC C04B028/04（2）
发明人 YANG Y（3）
公开年 2021（2）
申请年 2021（3）
专利权人

Wave-absorbing material useful in building including residential building, commercial building, office building and an industrial building, has surface layer that is impedance matching layer and bottom layer is absorbing layer.

FANG W, BAI C, ZHU Y, YANG T, YUE L, DENG G, YANG Y

Reactive powder concrete useful in large bridge, ocean engineering, high-rise building and military engineering applications, comprises cement, silica fume, coal ash, quartz sand, water, water reducing agent, steel fiber, nanominerals, and graphene oxide.

XING X, PAN D, YANG Y

Graphene dry-mix mortar has graphene, yellow sand, cement, pulverized coal ash, water reducing agent and additive, prepared by drying yellow sand, cement, pulverized coal ash, water reducing agent and additive, and grinding and sieving.

YANG Y, ZHANG C, OUYANG J, WANG J