国家/地区 中国（2）
IPC部
IPC大类
IPC小类
IPC
发明人
公开年
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

Meta-material structured graphene transistor for optical detector e.g. spectrum detection device, has micro-nano structure connected with gate electrode metal layer and grid electrode medium layer to form absorption property structures.

CHEN Q, SONG S