国家/地区 中国（3）
IPC部 B（3）
IPC大类 B29（3）
IPC小类 B29D（3）
IPC
发明人 ZHANG Y（3）
公开年 2022（3）
申请年 2022（2） 
专利权人

Graphene conductive fabric comprises adhesive layer, polyurethane film layer adhered to side wall of adhesive layer and graphene film layer attached to other side of the adhesive layer.

ZHANG Y

Deep geothermal thermal insulation composite pipeline comprises four-layer composite structure, and from inside to outside are inner layer base pipe, plane high thermal conductivity layer, polyethylene foam layer and outer layer pipe, and inner layer base pipe is extruded polyethylene or PERT.

HUO F, WANG D, ZHANG Y, WANG J

Pod-type degradable temporary plugging ball useful in temporary plugging treatment of oil and gas wells in fracturing system, comprises degradable outer shell (comprising e.g. polymerized product of glycolide, lactide, polybutylene succinate prepolymer) and inner core.

LI H, ZHANG Y, SHANG L, HUANG B, LIU J, WANG Y, YANG X, JIANG Q