国家/地区 中国（2）
IPC部 C（2）
IPC大类 C09（2）
IPC小类 C09D（2）
IPC C09D007/61（2）
发明人 ZHANG W（2）
公开年 2021（2）
申请年
专利权人

Titanium-based polymer alloy coating for oil well pipe, comprises titanium-based polymer alloy copolymer comprising imide resin, hydroxyl organic titanium polymer, N-methylpyrrolidone, and dimethylacetamide.

YI J, PENG X, ZHANG C, ZHOU J, KUANG Z, TANG S, LI D, ZHENG N, WANG X, WU J, ZHANG W

High-safety composite electric heating film comprises electric heating layer arranged between upper electrode layer and lower electrode layer, and insulating and heat-conducting discoloring body attached to lower electrode layer.

XIA Y, CAI P, ZHANG W, HUANG H, GAN Y, LIANG C, ZHANG J, HE X