国家/地区 中国（3）
IPC部 B（3）
IPC大类 B32（3） B65（3） C08（3）
B29（2）
IPC小类 B32B（3）
IPC B32B027/08（3）
发明人
公开年 2022（2）
申请年 2021（3）
专利权人

Electromagnetic shielding polypropylene composite film useful in packaging material field, namely electronic product packaging, comprises e.g. first film layer formed by first polypropylene composition and second film layer formed by second polypropylene composition i.e. resin component.

CHOU B, BAI Y, DONG M, QUAN H, GAO D, XU M, LV Y

Processing technology of medicinal composite film based on temperature-sensitive technology comprises e.g. coating adhesive on one side of polyester film layer to form first adhesive layer, compounding polyvinylidene chloride film layer with first adhesive layer, and curing.

ZHOU S, ZHANG C, GU S

Multilayered flexible package useful in packaging systems for food, cosmetic, nutraceutical or pharmaceutical products, comprises polymeric coating comprising dispersion of antioxidant particles.

RIVA M, VACCA P, FIDECKA K, FIDECA C