国家/地区 中国（4） 世界知识产权组织（2）
IPC部 B（4） C（2）
IPC大类 B29（4） B65（4） B32（2）
C08（2）
IPC小类 B29C（4）
IPC B29C048/00（4）
发明人
公开年 2021（2） 2022（2）
申请年 2021（4）
专利权人

Propylene polymer based composite film useful in packaging material has different layers comprising propylene polymer and propylene impact copolymer, propylene impact copolymer having elastic part forms dispersed strip-shaped rubber phase.

XU M, ZHANG S, GAO D, BAI Y, XU K, REN Y, LIU J, QUAN H, DONG M, ZHANG Q, CHOU B, LYU Y, SHAO J, LV Y, RUNWAY, BAIGER C, LIU Y

High-barrier heat-sealing fluorine film useful for medical packaging comprises barrier heat-sealing layer compounded on lower surface of structure supporting layer and auxiliary agent of structural supporting layer A and barrier and heat-sealing layer B comprises modified nano particles and filler.

CHENG L, ZHANG K, YIN Z, FENG W, YAN Y

Bottle for hot-fill beverage, comprises polymer blend comprising first polymer and second polymer, where first polymer is polyethylene terephthalate, and the second polymer is one of polyethylene furanoate or polyethylene naphthalate.

BHAT A, JOSHI A, SEQUEIRA C, DUNCAN A J

Light-weight macromolecular oval cream bottle, has inner cover whose top portion is provided with viscose gasket, and lower inner ring whose top portion below inner bottle is symmetrically provided with stopping block.

HUANG J