国家/地区 中国（4）
IPC部 C（4）
IPC大类 C25（4）
IPC小类 C25D（4）
IPC C25D005/14（4）
发明人 GUO C（3） LAI H（3）
公开年 2023（4）
申请年 2022（2） 
专利权人 GUANGZHOU UL.（3）

Composite coating useful for improving bonding force and high temperature oxidation resistance of stainless steel coating, comprises electroplating nickel coating comprising e.g. nickel sulfamic acid, nickel chloride, citric acid and boric acid and electroplating nickel-graphene composite coating.

LI W, LIU Z, WANG Y

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

Neodymium-iron-boron zinc-plated nickel alloy and plating layer structure of graphene, has citrate pre-plating nickel layer prepared from inside to outside of substrate, and trivalent chromium blue passivation layer and graphene sealing layer.

DENG Y, LAI H, GUO C, CHEN M

Dull nickel-plated and graphene-enclosed plating structure for zinc alloy die-casting parts, has zinc-nickel alloy plating layer that is prepared from inside to outside sequentially zinc alloy base portion.

LAI H, CHEN K, GUO C