国家/地区 中国（3）
IPC部 E（3）
IPC大类 E04（3）
IPC小类 E04B（3）
IPC E04B001/343（2） E04C003/36（2）
发明人 WANG J（3）
公开年 2023（3）
申请年 2022（3）
专利权人 BEIJING TIAN.（2）

Gypsum-based sound insulation heat preservation floor system useful in building material, comprises structure layer, sound heat preservation layer and leveling layer from bottom to top, where gypsum-based composite material is hydrophilic rubber particles, phosphogypsum, water and nano-airgel.

KANG S, LI X, WANG J, WU H, CHENG B, MA P, GAO Y

Composite alloy combined plastic square column unit for use in prefabricated building, has composite alloy material comprising raw material by weight percentage of phenolic resin, polycaprolactam, triphenyl phosphate, and diantimony trioxide.

WANG J, BI H, SONG J

Composite alloy combined plastic square column beam connecting component for prefabricated building, has composite alloy material comprising raw material by weight percentage, and connecting element whose end is connected with beam assembly.

WANG J, XU F, BI H, ZHENG B