国家/地区 中国（5） 世界知识产权组织（2）
IPC部 C（6）
IPC大类 C04（6） E04（5）
IPC小类 C04B（6）
IPC C04B028/14（6）
发明人 CHEN H（2） LIU W（2） RAN X（2）
WANG L（2）
公开年 2021（6）
申请年 2021（4） 
专利权人 CHINA NAT BU.（2）

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

Paper surface gypsum board comprises plate core comprising gypsum clinker, carbon aerogel beads, glass fiber, coupling agent, starch, water reducing agent, foaming agent and water and surface protective paper.

LIU W, CHEN H, ZHANG X, GE J, BAI F, RAN X

Nano-regenerated concrete useful in preparing coastal assembling structure e.g. rainwater grate and honeycomb beam, comprises fly ash, polyvinyl alcohol and graphene oxide forming graphene oxide-polyvinyl alcohol hydrogel doped fly ash.

LUO J, ZHANG J, LI Q, GAO S, HOU D, TENG F

Ground heating structure with graphene gypsum-based self-leveling backfill layer includes graphene gypsum-based self-leveling back filling layer which is embedded with multiple floor heating pipeline.

XU L

High-strength hole sealing agent used for coal mine gas extraction borehole comprises graphene, basalt short fiber, silicate cement, gypsum, fly ash, expansion agent and additive.

BAI G, FENG J, WANG L, CHEN M

Electrically conductive composition used for decorative or building underlayer material, comprises base material, fluid binder and interactive powder material having preset particle size and electrical resistivity.

BARDOU M