国家/地区 中国（4）
IPC部 C（4）
IPC大类 C25（4）
IPC小类 C25D（4）
IPC C25D005/48（2） C25D007/00（2）
发明人 PENG C（4）
公开年 2023（3）
申请年 2022（3） 
专利权人 GUANGZHOU UL.（4）

Neodymium-iron-boron plating trivalent black chromium and plating layer structure of graphene, has citrate pre-plating nickel layer that is prepared from inside to outside sequentially of substrate, and graphene sealing layer.

PENG C, LAI H, GUO C, LI X

Protective layer structure of neodymium-iron-boron coating graphene used in e.g. computer, comprises base body, citrate pre-plating nickel layer and graphene electrophoresis paint coating layer prepared from inside to outside base body.

FENG L, PENG C, LAI H, GUO C

Neodymium-iron-boron plating black zinc and plating layer structure of graphene, has citrate pre-plating nickel layer that is prepared from inside to outside sequentially of substrate, and trivalent chromium black passivation layer.

LUO X, PENG C, GUO C, LAI H

Protective layer structure of non-cyanide cadmium plating and electrophoretic painting comprises metal substrate, non-cyanide cadmium plating layer, phosphate layer and electrophoretic paint coating comprising hydroxyl graphene material.

GUO C, PENG C, LAI H