国家/地区 中国（2）
IPC部 A（2） B（2） C（2）
IPC大类 B65（2）
IPC小类 B65D（2）
IPC C08K003/04（2）
发明人
公开年 2022（2）
申请年
专利权人

Preparing film used as antibacterial packing material or slow-release drug-carrying material by adding carboxymethyl chitosan and graphene oxide solution to triphosphoric acid, adding gelatin solution, adding into plate and drying film.

ZHAO Y, LI Y, LI F, XIE D, LI C

Radiation-resistant polymer degradable round cream bottle comprises gasket on inner top of outer cover of cream bottle, outer diameter of bottle opening of outer bottle is provided with outer screw thread, gasket seal is arranged at bottle opening at outer screw thread of outer bottle.

XU H, LUO D, SUN S, HUANG X, HUANG Y, HUANG J