国家/地区 中国（3）
IPC部 C（3）
IPC大类 C23（3）
IPC小类 C23G（3） C23C（2）
IPC C23G005/032（3）
发明人
公开年 2021（3）
申请年 2021（3） 
专利权人

Catching agent used for removing oil stain, contains nonylphenol polyoxyethylene ether, triethanolamine oleate, diethylene glycol monobutyl ether, sodium metaphosphate pentahydrate, cocamide diethanolamine, sodium carboxymethyl cellulose, trimethyl metasilicate and sodium hypophosphite.

ZHU Y, ZHANG W

Preparing graphene oxide lubricating film on surface of bearing steel disc comprises pre-treating surface of bearing steel plate, adding graphene oxide solution to tricresol phosphate, stirring, mixing, heating, cooling and cleaning surface.

FENG Z, LI C, YAN W, LU H, YONG J, ZHENG B, ZHANG X

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