国家/地区 中国（2）
IPC部 B（2） C（2）
IPC大类 B32（2） B65（2） C08（2）
C09（2）
IPC小类 B32B（2）
IPC B65D065/40（2）
发明人
公开年 2023（2）
申请年 2022（2）
专利权人

High-transparent and high-strength polyethylene heat-shrinkable film useful for packaging bottle-packed beverage, comprises e.g. first layer (comprised of low-density and metallocene polyethylene), second layer, third layer and fourth layer (comprised of high density polyethylene).

LIU Z, LI R, LIU S

Producing food packaging barrier film used for consumers to clearly see content of packaged goods, involves providing base film, depositing inorganic laminated film on surface of base film, where inorganic laminated film includes at least one first and second inorganic material deposition layer.

CHEN C, TSAO C, LIAO T, LIAO T C, TSAO C C, CHEN C H, CHEN Z, CAO J, LIAO D