国家/地区 欧洲专利局（EPO）（2）
IPC部 B（2）
IPC大类 B29（2） C08（2）
IPC小类 B29C（2）
IPC C08J003/12（2）
发明人
公开年 2021（2）
申请年
专利权人

Manufacture of black polyester film for e.g. packaging film, involves physically regenerating portion of recycled polyester material by adding black additive to material and granulating to form pellets, forming chemically recycled polyester pellets, mixing obtained both pellets and melt-extruding.

YUAN C, HSIAO C, YANG C, YANG W, LIAO T

Particles used for three-dimensional printer, comprises polymer resin compatible for three-dimensional printing process to print three-dimensional article and marking additive for changing color during exposure of light.

HU N X, WANG Y, HU N