国家/地区 中国（2）
IPC部 C（3）
IPC大类 C04（3）
IPC小类 C04B（3）
IPC C04B018/16（3）
发明人
公开年 2023（3）
申请年 2022（3）
专利权人

Treating waste concrete slurry useful in concrete, comprises e.g. separating collected concrete waste slurry from sand and gravel via sedimentation, filtering and screening, recycling separated sand and stone to raw material yard for concrete production, adding slump-preserving blender, and stirring.

YANG Z, QIN X, ZHENG W, FU Q, ZHANG Z

Composite material for repairing pothole and forming structural material, comprises closed cell polyurethane matrix portion, diph-diisocyanate, polyol resin, and particulate portion homogeneously distributed and suspended in the matrix portion, where particulate portion comprises silica.

ESCOBAR H, CHRISTY J

Preparing waste red brick phase-change bone material used in building material, involves using aqueous epoxy resin to coat waste brick particles absorbed with paraffin wax in solid state, separating waste red bricks particles from paraffinated wax after curing.

HUANG J, WU Y, CHEN J, ZHU Q, LI J, LU Z, JIN C, JIANG J, LIU T