国家/地区 中国（28）
IPC部 C（28）
IPC大类 C25（28） C23（14） C09（5）
IPC小类 C25D（28）
IPC C25D003/56（14） C25D005/48（12） C23C028/00（10）
C25D003/38（6） C09D005/08（4） C23C018/32（4）
C25D003/12（4） C09D007/61（3） C23C018/31（3）
C23C022/83（3） C25D005/10（3） C25D005/14（3）
C09D005/44（2） C09D007/65（2） C23C022/00（2）
发明人 LAI H（28）
公开年 2021（9） 2020（8） 2023（7） 2018（3）
申请年 2019（9）  2021（8）  2022（5）  2020（3）  2018（2） 
专利权人 GUANGZHOU UL.（25） LBS GUANGZHO.（3）

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

Plating layer structure for preparing chromium-free black conversion film, comprises metal substrate, and zinc-iron alloy plating layer sequentially from inside to outside on metal substrate.

LAI H, GUO C, LI X

Plating layer structure of zinc-nickel alloy plating layer without chromium passivation and hydroxyl graphene, has chromium-free passivation layer prepared by silane passivation agent.

LAI H, CHEN K, GUO C

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

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

High corrosion resistance zinc cobalt alloy coating structure of aluminum alloy piece, has trivalent chromium passivation layer and hydroxyl graphene sealing layer which are prepared in turn from inside to outside of substrate.

CHEN M, LAI H, GUO C

Protective layer structure for chemical nickel plating of aviation electric appliance accessory, comprises aluminum alloy base body, and chemical zinc depositing layer, pre-plating copper layer, and graphene sealing layer.

XIA L, GUO C, LAI H

High corrosion resistant coating structure of galvanized iron alloy of cast iron piece, has silane chromium-free passivation layer that is formed by solvent silane passivation agent.

CHEN J, GUO C, LAI H