国家/地区 中国（9） 韩国（3） 欧洲专利局（EPO）（2） 日本（2） 美国（2） 世界知识产权组织（2）
IPC部 B（10）
IPC大类 B05（10）
IPC小类 B05D（10）
IPC B05D007/24（10）
发明人 KIM J（2）
公开年 2021（10）
申请年 2020（6）  2021（4） 
专利权人

Long-life guide cylinder comprises e.g. outer layer as pre-oxidized felt insulating felt, middle layer as modified resin formed on inner side wall of outer layer, and inner layer as carbon/carbon composite material formed on inner side wall of middle layer.

BAI Y, QIN X, LIU Y, ZHOU J

Selective coating method of nanomaterials, involves applying ultrasonic vibration to substrate to which nanomaterial is applied to remove portion of applied to surface of substrate.

JEONG D, KIM J, YOUN J P

Manufacture of dense layer of electrochemical device, involves providing substrate and suspension of non-agglomerated nanoparticles of material having specific particle size distribution, depositing layer on substrate, drying and densifying.

GABEN F

Preparing Teflon corrugated pipe internal crimping joint comprises using 304 stainless steel processing to make withholding joints and coating crimping joint surface with corrosion-resistant modified polyperfluoroethylene propylene coating.

WANG W, WANG L, LI S

Preparation method of guardrail with good corrosion resistance by subjecting base material to vortex flaw detection, removing rust, hot-dip galvanizing, passivating and degreasing, phosphating, drying, spraying zinc-rich primer and curing.

ZHANG X

Method for manufacturing graphene-coated steel sheet, involves modifying steel sheet to have negative charge and forming of first graphene oxide layer is performed using graphene oxide dispersion modified with amine group.

YOO H, KIM J, BAEK J, BYEON C, YOO H J, SU K J, BAEK J H, BYEON C S, BAI J, LIU H

Preparing nanorobot useful for tumor treatment, comprises e.g. placing paramagnetic metal target in sputtering chamber, and passing argon and oxygen into sputtering chamber, passing shielding gas into sputtering chamber, and curing.

High thermal conductivity nanocrystalline reinforced graphene composite film comprises graphene film, nanocrystalline particles, high thermal conductivity silicone grease, and nano-carbon copper foil.

SONG B

Treating surface of electrolytic copper foil involves cleaning raw foil with ethanol, placing in hydrochloric acid solution for ultrasonic treatment, washing with deionized water, heating, cooling to room temperature and drying.

ZHU D, WANG X

Preparing high-performance graphene composite aluminum sheet useful for aerospace, automobile parts and electrical parts, comprises cutting aluminum sheet, soaking pure aluminum flake in dopamine aqueous solution and cleaning flake graphite.

ZOU X