国家/地区 中国（2）
IPC部 C（3）
IPC大类 C08（3）
IPC小类 C08F（3）
IPC C08K003/04（2）
发明人
公开年 2021（2）
申请年 2021（3）
专利权人

Waterproofing structure useful for repairing cracks of rooftop, underground parking lot, toilet, brick-masonry wall, and floor, comprises e.g. identifying cracks in structure, and perforating injection holes in identified crack site.

KWON S

Intelligent dynamic dimming film useful in dimming glass system comprises color-changing core material comprising N-isopropylacrylamide, N,N-methylenebisacrylamide, lysine, ammonium persulfate, and deionized water.

WANG P, LUO W, XIE L, CHEN J

Preparing composite geotextile by arranging nonwoven fabric made of polypropylene, glass fiber and calcium sulfate whiskers on lower and upper layers, arranging woven gray cloth made of polyester fiber in middle layer, and laminating.

CHENG X