国家/地区 韩国（2）
IPC部 B（3）
IPC大类 B29（3）
IPC小类 B29B（3）
IPC B29B017/04（3）
发明人
公开年 2022（3）
申请年 2021（3） 
专利权人

Plastic case with electromagnetic shielding and antibacterial functions useful in mobile electronic device, comprises second layer overlaid on upper surface of first layer, and third layer overlaid on top surface of second layer.

CHEONJISEUNG, HYEON J D

Producing photoluminescence material involves placing plastic piece into working solution which is water, applying micro-plasma onto surface of the working solution, and degrading the plastic piece into multiple smaller molecular and graphene quantum dot.

CHIANG W, WENG R, WENG R J

Preparation of polymer composition involves preparing recycled polyolefin powder and filler dispersion solution, mixing regenerated polyolefin powder with filler dispersion solution, and adding resultant to extruder to obtain pelletized polymer composition.

KIM M Y