国家/地区 中国（2）
IPC部
IPC大类
IPC小类
IPC
发明人
公开年 2021（2）
申请年
专利权人 CHEN Q（2）

Biodegradable polymer microsphere used as e.g. medicine control release carrier, comprises biodegradable polymer monomer, water-soluble polymer additives, antioxidant, and catalyst, and is prepared by simple, environmentally-friendly and easy to control process suitable for mass production.

LI H, ZHAO X, YANG G

Annular wind type anti-condensation monitoring and protective device, has protective cylinder installed on mounting seat, mounting cylinder installed in protective cylinder, and heat exchange motor installed on left end of mounting cylinder.

CHEN Q