国家/地区 中国（4）
IPC部 B（4）
IPC大类 B32（4） B65（4） B31（3）
B29（2） D21（2）
IPC小类 B32B（4）
IPC B32B027/10（4）
发明人
公开年 2022（2）
申请年 2021（2） 
专利权人

Dry composite paper plastic zipper packaging bag comprises bag body and zipper provided on bag body, and bag body made of composite film, composite film sequentially includes e.g. biaxially oriented polypropylene layer, first adhesive layer, kraft paper layer, second adhesive layer.

HUANG Y

Producing paper packaging bag comprises impregnating inner packaging base paper layer, and outer packaging base paper layer, drying, coating impregnated inner packaging base paper layer and outer packaging base paper layer with barrier adhesive material, hot pressing and cooling.

NI H, CHEN F, YANG J

Packaging material for forming individual liquid food packaging containers, comprises one or more layers of heat sealable material laminated to core, and carbon-based layer(s) provided to form workpiece of associated sealing system.

BETTI BENEVENTI G, BIERLEIN P, GUIDETTI G, WAMSLER M, HURDALEK L, BETTI B G, BENEVENTI G B

Aluminum foil-based composite packaging material used for food packaging comprises heat-sealing layer, graphene layers, aluminum foil layer, adhesive layers, kraft paper layer, film layer and printing layer.

SHI M