国家/地区 中国（3）
IPC部 B（3）
IPC大类 B05（3） C09（2） F16（2）
IPC小类 B05D（3）
IPC B05D003/12（3）
发明人
公开年
申请年 2017（2） 
专利权人

Preparing coating for screw thread, comprises e.g. providing workpieces with screw thread, pretreating screw thread part of workpieces with screw thread; sandblasting workpiece with screw thread after pretreatment; and preheating workpiece with screw thread after sandblasting.

SUN J, WANG Y, WANG L, LI R, SONG X, LIU X

Used-steel-pipe anticorrosive coating comprises asphalt, dispersant, graphene, polyphenylene ether resin powder, styrene butadiene rubber, toluene, plasticizer, coupling agent, additive, flame retardant and water.

MAO L

Defrosting type heat pump outdoor machine has graphene film layer having strong hydrophobicity for delaying frosting time of evaporator fin surface, and reducing frosting quantity to inhibit effect of frosting.

QI Y, GUO Z