国家/地区 中国（3）
IPC部 C（4）
IPC大类 C08（4）
IPC小类 C09D（4）
IPC C09D007/61（3） C09D163/00（2）
发明人
公开年 2021（3）
申请年 2020（4）
专利权人

Repairing asphalt pavement layer and rear material by elastic joint, comprises e.g. forming joint opening block having predetermined width in asphalt pavement layer connected to rear part of bridge expansion joint, and forming mixture layer.

MOON E S, MOON Y, KIM D B

Preparing high-performance graphene complex phenolic cover plate comprises preparing phenolic plate, cutting prepared phenolic plate, rubbing phenolic plate, and sanding cut surface to obtain processed phenolic plate.

ZOU X

Preparing improved thermal insulation graphene floor heating film comprises e.g. coating on leveled ground to form base film after leveling construction ground, and base film is hollow titanium oxide powder, and main material of base film.

YU J, FENG X

Preparing wall paper with air absorption and purification effect, comprises e.g. adding polyethylene glycol and epoxy resin into the reaction container, heating, reacting, adding catalyst and heating.

DONG Y