国家/地区 中国（2）
IPC部 A（3）
IPC大类 C25（3）
IPC小类 C25D（3）
IPC C25D011/26（3）
发明人
公开年 2021（3）
申请年 2021（2） 
专利权人

Preparing hydroxyapatite bioceramic on titanium alloy surface by sol-gel method, comprises placing titanium alloy substrate on spin coater, dropping prepared sol containing phosphorus pentoxide on substrate surface, drying and heating.

ZHU J, HAN F, SHEN Q, ZHU Y, LUO H, GUO B, LIU Y

Treating surface of titanium substrate involves forming a nitrided surface by supplying nitrogen gas to a substrate including titanium or a titanium alloy, forming porous layer by anodizing on substrate on which nitrided surface is formed.

LIM H P, SANGWON P, JI M K, SEUNG K, CHO H S, PARK C, KIM H

Teflon coating spray liquid useful for non-stick pan comprises bottom layer (e.g. tetrafluoroethylene, modified graphene oxide, sodium hyposulfite, modified thermochromic pigment, silicon carbide whiskers and water) and surface layer.

CHEN C