国家/地区 韩国（2）
IPC部 C（4）
IPC大类 C08（4）
IPC小类 C08K（4） C08J（2） E04B（2）
IPC C08K003/04（4）
发明人
公开年 2022（4）
申请年 2021（2） 
专利权人

Anti-aging elastomer modified asphalt waterproof coiled material comprises tire base, modified asphalt layer and polyethylene terephthalate film.

LU Z, LIANG B, LIANG Z

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

Forming a barrier to overcome lost circulation in a subterranean formation involves injecting a polymer-sand nanocomposite into one or more lost circulation zones in the subterranean formation, and polymer-sand nanocomposite comprising sand mixed with a polymer hydrogel.

KRISHNAN M R, ALSHARAEH E, ALMOHSIN A

Polyurea paint for interior and exterior of buildings comprises first agent comprising e.g. isocyanate group-terminated prepolymer prepared from aliphatic diisocyanate, and second agent comprising e.g. polyamine mixture.

HO M J, SEUNGGYEONG Y